BECK, Rollo Howard

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Rollo Howard Beck (1870-1950)
Rollo Howard Beck (1870-1950)
Oak Hill Memorial Park, San Jose, CA


BECK, Rollo Howard (1870-1950), born at Los Gatos, Santa Clara County, California August 26, 1870, Beck was a life member of the American Ornithologists’ Union and collector of bird skins and eggs who visited at least two of the Channel Islands. Despite an education through part of the eighth grade, Beck went on to become one of the best known bird and reptile collector of his time. In 1894 he joined the American Ornithologists’ Union and Cooper Ornithological Club (now Society), befriending other ornithologists both locally and nationally. He became a life member in 1919.

Directory of Members, Cooper Ornithological Club, May 1914:

  • Rollo H. Beck. R.D. 21, San Jose, CA 1894


Rollo Howard Beck = [1907] Ida Menzies (1883-1970)

They had no children.


Beck collected on Santa Cruz Island on June 5-8, 1895. A specimen of the Santa Cruz Island flicker he collected on June 8, 1895 is in the collections of the United States National Museum. A male Santa Cruz Island jay specimen he collected in 1895 he sold to A. W. Koch for $5. In 1897 Beck was hired by the California Academy of Sciences to collect additional birds on the California Channel Islands. He returned to Santa Cruz Island on April 30-May 10, 1897. He was also on San Miguel Island May 18-20, 1897, and again in March 1903 when he secured a large series of salamanders for the California Academy of Sciences herpetology collection.

Herpetologist John Van Denburgh named the San Miguel Island form of Western Fence Lizard in his honor, Sceloporus becki. Beck’s collections are in the California Academy of Sciences, American Museum of Natural History and Santa Barbara Museum of Natural History. Beck published a series of short notes in the Nidiologist and in Condor, the Bulletin of the Cooper Ornithological Club in 1893, 1895-1901, and 1907.

Between 1897 and 1906 Beck made four collecting trips to the Galapagos on behalf of the California Academy of Sciences. The 1905 expedition set sail from San Francisco in June in the schooner Academy which had been purchased and rechristened for the purpose. The scientific staff consisted of eight young men, including, Rollo Beck, who led the team. Alban Stewart went as botanist; W. H. Ochsner as geologist; F. X. Williams as entomologist; E. W. Gifford and J. S. Hunter went to collect and study birds; J. R. Slevin and E. S. King looked after reptiles. Enroute to Ecuador in 1905, they stopped and collected on the Mexican islands of: San Martin, San Geronimo, San Benito, Cedros, Natividad, San Benedicto, Socorro and Clipperton islands.

The 1905-1906 California Academy of Sciences Galapagos expedition visited multiple Baja California islands, including:

  • Isla San Martin, July 11, 1905
  • Isla Geronimo, July 13, 1905
  • Islas San Benito, July 14-17, 1905
  • Isla Cedros, July 18, 1905
  • Isla Natividad, July 19, 1905

Expedition participants included:


In 1920, Beck and his wife Ida set off on a voyage across the Pacific to collect bird specimens for the American Museum of Natural History. They returned with over 40,000 bird skins and a large anthropological collection. As a collector, Beck was noted for his beautiful symmetrical skins of sea birds and waterfowl.

Beck died November 22, 1950 at the age of 80 at Planada, Merced County, California. His egg collection is located and the Western Foundation of Vertebrate Zoology. Several birds are named in his honor, including the California burrowing owl (Speotyto cunicularia becki) and Beck’s Petrel (Pseudobulweria becki), once thought to be extinct, but rediscovered and confirmed in 2008 near Papua, New Guinea.


Beck collected on:

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Wikisource.org_Rollo H. Beck
Wikipedia Rollo Howard Beck Rollo Howard Beck






  • 2019. Everett, William T. Rollo H. Beck's Visits to Isla Guadalupe, Mexico, with Additions and Corrections to the Island's Avifauna California Academy of Sciences Proceedings 65(7):159-180, 2019



AÑO NUEVO ISLAND
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14022 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14031 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14032 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14033 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14034 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14035 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 28, 1909 CAS-14037 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14019 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14023 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14025 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14024 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14026 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14027 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14036 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS June 30, 1909 CAS-14038 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14016 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14017 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14018 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14020 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14021 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14028 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14029 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14030 Cepphus columba columba Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14039 Heteroscelus incanus Birds
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14521 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14520 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14522 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14523 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14524 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14525 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14526 Elgaria coerulea coerulea Herps
Año Nuevo Island R. H. Beck CAS July 1, 1909 CAS-14527 Elgaria coerulea coerulea Herps


SAN MIGUEL ISLAND

3/21,23,24,26/1903 CAS herps


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
San Miguel Island R. H. Beck WFVZ May 18, 1897 WFVZ-202581 Ptychoramphus aleuticus Eggs
San Miguel Island R. H. Beck CAS May 18, 1897 CAS-51606 Melospiza melodia micronyx Birds
San Miguel Island R. H. Beck CAS May 18, 1897 CAS-14000 Sturnella neglecta Birds
San Miguel Island R. H. Beck MCZ May 18, 1897 MCZ-101774 Zonotrichia melodia Birds
San Miguel Island R. H. Beck MCZ May 18, 1897 MCZ-101775 Zonotrichia melodia Birds
San Miguel Island R. H. Beck MCZ May 18, 1897 MCZ-101776 Zonotrichia melodia Birds
San Miguel Island R. H. Beck MCZ May 18, 1897 MCZ-101777 Zonotrichia melodia Birds
San Miguel Island R. H. Beck MCZ May 18, 1897 MCZ-101778 Zonotrichia melodia Birds
San Miguel Island R. H. Beck NMNH May 18, 1897 USNM-163103 Eremophila alpestris insularis Birds
San Miguel Island R. H. Beck NYSM May 18, 1897 NYSM-11427 Phalacrocorax brasilianus Birds
San Miguel Island R. H. Beck ROM May 19, 1897 ROM-64633 Carpodacus mexicanus frontalis Birds
San Miguel Island R. H. Beck CAS May 20, 1897 CAS-19723 Salpinctes obsoletus obsoletus Birds
~ trip ~
San Miguel Island R. H. Beck CAS March 21, 1903 CAS-4541 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4542 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4543 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4544 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4545 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4546 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4547 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4548 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4549 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4550 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4551 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4552 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4553 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4554 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4555 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4556 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4557 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4558 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4559 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4560 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4561 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4562 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4563 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4564 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4565 Batrachoseps Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4566 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4567 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4568 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4569 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4570 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4571 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4572 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4573 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4574 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4575 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4576 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4577 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4578 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4579 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4580 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4581 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4582 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4583 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4584 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4585 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4586 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4587 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4588 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4589 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4590 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4591 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4592 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4593 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4594 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4595 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4596 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4597 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4598 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4599 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4600 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4601 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4602 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4603 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4604 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4605 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4605 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4606 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4607 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4608 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4609 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4610 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4611 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4612 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4613 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4614 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4615 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4616 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4617 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4618 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4619 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4620 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4621 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4622 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4623 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4624 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4625 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4626 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4627 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4628 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4629 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4630 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4661 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4662 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4663 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4664 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4665 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4667 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 23, 1903 CAS-4669 Batrachoseps pacificus Herps [Lost in the earthquake and fire of 1906.]
San Miguel Island R. H. Beck CAS March 26, 1903 CAS-4539 Elegaria multicarinata Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 26, 1903 CAS-4534 Sceloporus occidentalis becki PARATYPE Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 26, 1903 CAS-4535 Sceloporus occidentalis becki PARATYPE Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 26, 1903 CAS-4536 Sceloporus occidentalis becki PARATYPE Herps [Lost in the earthquake and fire of 1906]
San Miguel Island R. H. Beck CAS March 26, 1903 CAS-4537 Sceloporus occidentalis becki HOLOTYPE Herps
San Miguel Island R. H. Beck CAS March 26, 1903 CAS-4538 Sceloporus occidentalis becki Herps [Lost in the earthquake and fire of 1906]


SANTA CRUZ ISLAND

6/8/1895 ROM birds, NMNH birds

5/6,11/1897 ROM birds

4/30/1897 CAS birds

5/6/1897 YPM birds

5/6,8/1897 CMNH birds


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Santa Cruz Island R. H. Beck NMNH June 6, 1895 YPM-127359 Eremophila alpestris insularis Birds
Santa Cruz Island R. H. Beck NMNH June 8, 1895 USNM-150930 Aphelocoma insularis Birds
Santa Cruz Island R. H. Beck NMNH June 8, 1895 USNM-150931 Aphelocoma insularis Birds
Santa Cruz Island R. H. Beck NMNH June 8, 1895 USNM-150932 Aphelocoma insularis Birds
Santa Cruz Island R. H. Beck NMNH June 8, 1895 USNM-150933 Aphelocoma insularis Birds
Santa Cruz Island R. H. Beck MVZ June 8, 1895 MVZ-107224 Aphelocoma insularis Birds
~ trip ~
Santa Cruz Island R. H. Beck AMNH April 30, 1897 AMNH-516740 Carpodacus mexicanus clementis Birds
Santa Cruz Island R. H. Beck AMNH April 30, 1897 AMNH-516741 Carpodacus mexicanus clementis Birds
Santa Cruz Island R. H. Beck CAS April 30, 1897 CAS-13948 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck [?] AMNH May 4, 1897 AMNH-374786 Thryomanes bewickii charienturus Birds
Santa Cruz Island R. H. Beck CAS May 4, 1897 CAS-13943 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck CAS May 4, 1897 CAS-13945 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck CAS May 4, 1897 CAS-13946 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck AMNH May 5, 1897 AMNH-439173 Thyromanes beweckii leucophrys Birds
Santa Cruz Island R. H. Beck AMNH May 5, 1897 AMNH-439173 Thyromanes beweckii leucophrys Birds
Santa Cruz Island R. H. Beck CAS May 5, 1897 CAS-13944 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck CAS May 5, 1897 CAS-13947 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck MVZ May 5, 1897 MVZ-38228 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck MVZ May 5, 1897 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck AMNH May 6, 1897 AMNH-521409 Sturnella neglecta Birds
Santa Cruz Island R. H. Beck AMNH May 6, 1897 AMNH-521409 Sturnella neglecta Birds
Santa Cruz Island R. H. Beck CMNH May 6, 1897 Carnegie MNH-17035 Lanius ludovicianus Birds
Santa Cruz Island R. H. Beck MVZ May 6, 1897 Thryomanes bewickii nesophilus Birds
Santa Cruz Island R. H. Beck YPM May 7, 1897 YPM-127359 Eremophila alpestris insularis Birds
Santa Cruz Island R. H. Beck AMNH May 8, 1897 Carnegie MNH-29700 Pipilo erythrophthalmus Birds
Santa Cruz Island R. H. Beck AMNH May 8, 1897 AMNH-502452 Thyromanes beweckii charienturus Birds
Santa Cruz Island R. H. Beck AMNH May 8, 1897 AMNH-502453 Thyromanes beweckii charienturus Birds
Santa Cruz Island R. H. Beck AMNH May 10, 1897 AMNH-13802 Aphelocoma coerulescens Eggs
Santa Cruz Island R. H. Beck AMNH May 10, 1897 AMNH-74350 Eremophila alpestris Eggs
Santa Cruz Island R. H. Beck AMNH May 10, 1897 AMNH-502766 Lanius ludovicianus anthonyi Birds
Santa Cruz Island R. H. Beck AMNH May 10, 1897 AMNH-506346 Vermivora celata sordida Birds
Santa Cruz Island R. H. Beck AMNH May 11, 1897 AMNH-502765 Lanius ludovicianus anthonyi Birds


ISLAS CORONADOS
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
ISLAS CORONADOS R. H. Beck CAS April 10, 1908 CAS-11696 Aeronautes saxtalis Birds


ISLA GUADALUPE
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-487138 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-487139 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-471344 Caracara lutosus Birds
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-471345 Caracara lutosus Birds
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-471346 Caracara lutosus Birds
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-471347 Caracara lutosus Birds
Isla Guadalupe R. H. Beck MCZ January 12, 1900 MCZ-154294 Polyborus plancus lutosus Birds
Isla Guadalupe R. H. Beck MCZ January 12, 1900 MCZ-154295 Polyborus plancus lutosus Birds
Isla Guadalupe R. H. Beck AMNH January 12, 1900 AMNH-84053 Caracara lutosus Birds
~ trip ~
Isla Guadalupe R. H. Beck AMNH July 23, 1912 AMNH-754544 Calypte anna Birds
Isla Guadalupe R. H. Beck AMNH July 23, 1912 AMNH-754545 Calypte anna Birds
Isla Guadalupe R. H. Beck AMNH July 23, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck AMNH July 23, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck AMNH July 23, 1912 AMNH-761264 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH July 24, 1912 AMNH-761264 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck UMMZ July 24, 1912 UMMZ-150791 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH July 24, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck AMNH July 24, 1912 AMNH-750231 Buteo jamaicensis calurus Birds
Isla Guadalupe R. H. Beck AMNH July 24, 1912 AMNH-754926 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH July 25, 1912 AMNH-754184 Athene cunicularia hypugaea Birds
Isla Guadalupe R. H. Beck AMNH July 25, 1912 AMNH-754185 Athene cunicularia hypugaea Birds
Isla Guadalupe R. H. Beck AMNH July 25, 1912 AMNH-754186 Athene cunicularia hypugaea Birds
Isla Guadalupe R. H. Beck AMNH July 26, 1912 AMNH-754920 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH July 26, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck AMNH July 26, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck AMNH July 30 , 1912 AMNH-761295 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH July 30, 1912 AMNH-761305 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH July 30, 1912 AMNH-761313 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH July 31, 1912 AMNH-754921 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck MCZ August 1, 1912 MCZ-253151 Colaptes cafer rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 1, 1912 AMNH-750233 Colaptes cafer rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 2, 1912 AMNH-750232 Buteo jamaicensis calurus Birds
Isla Guadalupe R. H. Beck AMNH August 3, 1912 AMNH-757984 Mimus polyglottos leucopterus Birds
Isla Guadalupe R. H. Beck AMNH August 3, 1912 AMNH-749217 Oceanodroma macrodactyla Birds
Isla Guadalupe R. H. Beck AMNH August 3, 1912 AMNH-749220 Oceanodroma macrodactyla Birds
Isla Guadalupe R. H. Beck AMNH August 6, 1912 AMNH-754184 Athene cunicularia hypugaea Birds
Isla Guadalupe R. H. Beck AMNH August 6, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck UMMZ August 6, 1912 UMMZ-150792 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 7, 1912 AMNH-754925 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 8, 1912 AMNH-750558 Falco sparverius sparverius Birds
Isla Guadalupe R. H. Beck UMMZ August 8, 1912 UMMZ-150793 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 8, 1912 AMNH-761260 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 8, 1912 AMNH-761285 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 8, 1912 AMNH-761304 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 8, 1912 AMNH-761314 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 9, 1912 AMNH-754924 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck MVZ August 10, 1912 MVZ-105337 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761263 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761268 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761269 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761271 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761287 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761282 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761284 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761297 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761298 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761301 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761302 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761306 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761307 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761308 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761309 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10 1912 AMNH-761315 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 10, 1912 AMNH-761310 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck YPM August 12, 1912 YPM-001782 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 12, 1912 AMNH-761266 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 12, 1912 AMNH-761272 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 12, 1912 AMNH-761283 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 14, 1912 AMNH-750234 Buteo jamaicensis calurus Birds
Isla Guadalupe R. H. Beck MVZ August 14, 1912 MVZ-105338 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 14, 1912 AMNH-761267 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 14, 1912 AMNH-761273 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 15, 1912 AMNH-750245 Buteo jamaicensis calurus Birds
Isla Guadalupe R. H. Beck AMNH August 17, 1912 AMNH-761276 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 17, 1912 AMNH-761311 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 19, 1912 AMNH-754917 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 19, 1912 AMNH-754918 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 19, 1912 AMNH-754919 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 19, 1912 AMNH-754922 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 19, 1912 AMNH-754923 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 19 , 1912 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-761259 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-761280 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-761281 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-761286 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-761293 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-761294 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 21, 1912 AMNH-749244 Oceanodroma leucorhoa socorroensis Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-749030 Puffinus opisthomelas Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-754185 Athene cunicularia hypugaea Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761258 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23 , 1912 AMNH-761261 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761274 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761275 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23 , 1912 AMNH-761278 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761279 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761288 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761291 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761296 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761299 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-761300 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-749234 Oceanodroma leucorhoa socorroensis Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-749240 Oceanodroma leucorhoa socorroensis Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-749241 Oceanodroma leucorhoa socorroensis Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-749242 Oceanodroma leucorhoa socorroensis Birds
Isla Guadalupe R. H. Beck AMNH August 23, 1912 AMNH-749243 Oceanodroma leucorhoa socorroensis Birds
Isla Guadalupe R. H. Beck AMNH August 24, 1912 AMNH-754186 Athene cunicularia hypugaea Birds
Isla Guadalupe R. H. Beck AMNH August 26, 1912 AMNH-761292 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 26, 1912 AMNH-761270 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH August 28, 1912 AMNH-362325 Colaptes auratus rufipileus Birds
Isla Guadalupe R. H. Beck AMNH August 30, 1912 AMNH-761289 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH 1912 AMNH-761312 Haemorhous mexicanus amplus Birds
Isla Guadalupe R. H. Beck AMNH 1912 AMNH-761316 Haemorhous mexicanus amplus Birds


ISLA NATIVIDAD
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Isla Natividad R. H. Beck CAS May 9, 1903 CAS-4705 Uta stansburiana Herps
~ trip ~
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-2468 Peromyscus maniculatus geronimensis Mammals
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-2469 Peromyscus maniculatus geronimensis Mammals
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-2470 Peromyscus maniculatus geronimensis Mammals
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-2472 Peromyscus maniculatus geronimensis Mammals
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-8884 Aspidoscelis tigris multiscutata Herps
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-8885 Aspidoscelis tigris multiscutata Herps
Isla Natividad R. H. Beck CAS July 19, 1905 CAS-8886 Aspidoscelis tigris multiscutata Herps

NOTE: On July 19, 1905, Beck was apparently on Isla Natividad in the company of J. S. Hunter, who collected CAS MAM 2471, another Peromyscus maniculatus geronimensis.


ISLAS SAN BENITO
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Islas San Benito R. H. Beck MVZ March 9, 1899 MVZ-43798 Carpodacus mexicanus mcgregori Birds
Islas San Benito R. H. Beck MVZ March 9, 1899 MVZ-43799 Carpodacus mexicanus mcgregori Birds
Islas San Benito R. H. Beck MVZ March 9, 1899 MVZ-43800 Carpodacus mexicanus mcgregori Birds
Islas San Benito R. H. Beck MVZ March 9, 1899 MVZ-43804 Passerculus sandwichensis sanctorum Birds
Islas San Benito R. H. Beck MVZ March 9, 1899 MVZ-43805 Passerculus sandwichensis sanctorum Birds
Islas San Benito R. H. Beck MVZ March 9, 1899 MVZ-105869 Passerculus sandwichensis sanctorum Birds
Islas San Benito R. H. Beck YPM March 9, 1899 YPM-128608 Carpodacus mexicanus mcgregori Birds
Islas San Benito R. H. Beck YPM March 9, 1899 YPM-128609 Passerculus sandwichensis sanctorum Birds
Islas San Benito R. H. Beck MCZ March 9, 1899 MCZ-306826 Ammodramus sandwichensis Birds
Islas San Benito R. H. Beck UCLA March 9, 1899 UCLA-14678 Carpodacus mexicanus mcgregori Birds
Islas San Benito R. H. Beck UCLA March 9, 1899 UCLA-14679 Carpodacus mexicanus mcgregori Birds


ISLA SAN MARTIN
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Isla San Martin R. H. Beck CAS May 3, 1903 CAS-4702 Pituophis melanoleucus catenifer Herps
Isla San Martin R. H. Beck CAS May 3, 1903 CAS-4699 Elgaria multicarinata ignava Herps
Isla San Martin R. H. Beck CAS May 3, 1903 CAS-4700 Elgaria multicarinata ignava Herps
Isla San Martin R. H. Beck CAS May 3, 1903 CAS-4701 Elgaria multicarinata ignava Herps
Isla San Martin R. H. Beck CAS May 3, 1903 CAS-4698 Uta stansburiana martinensis Herps
~ trip ~
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-8677 Elgaria multicarinata ignava Herps
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2343 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2344 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2345 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2346 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2350 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2352 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-2353 Phalacrocorax auritus albociliatus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-3654 Salpinctes obsoletus obsoletus Herps
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-3655 Salpinctes obsoletus obsoletus Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-8671 Amphispiza belli belli Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-8672 Amphispiza belli belli Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-8676 Amphispiza belli belli Birds
Isla San Martin R. H. Beck CAS July 11, 1905 CAS-8680 Amphispiza belli belli Birds



In the News~

June 15, 1899 [BCOC:1(85-86)]: “…I submit a few notes taken principally on the west end of the island in May, 1897. On June 5, 1895 I visited Scorpion Harbor for a few hours and landed on the square-looking rock mentioned by Mr. Mailliard…”


Palmer, T. S. Nomenclature of California Birds in Condor 30(5):267-268 September-October 1928:

BECK, Rollo Howard “Born at Los Gatos, Santa Clara County, California, August 26, 1870. One of the most active, energetic and experienced filed collectors of the present day. Well known from his beautifully prepared skins of water fowl and sea birds which he has collected for the California Academy of Sciences, the Museum of Vertebrate Zoology, and the American Museum of Natural History during extended field work at Monterey Bay and in the San Joaquin Valley, California, on the Galapagos Islands, along the southern coasts of South America, and in the South Pacific. His name is associated with California birds in the designation of a Burrowing Owl Speotyto cunicuaria becki Rothschild and Hartert, a synonym of Speotyto c. hypogaea; and in that of a Sharp-tailed Sparrow, Ammodramus c. becki Ridgway, a synonym of Passerherbulus nelsoni.”
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