SLEVIN, Joseph Richard

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SLEVIN, Joseph Richard (1881-1957), San Francisco-born World War I navy veteran and herpetologist at the California Academy of Sciences for more than 50 years. Slevin grew up in an environment conducive to exposure to the sciences. As a boy, he accompanied his ornithologist father, Thomas E. Slevin, on visits to see George Davidson, distinguished scientist of his day, and former president of the California Academy of Sciences. Trained in herpetology by John Van Denburgh, Slevin joined the staff in May 1904, and spent seventeen months on the Academy’s 1905-1906 expedition to the Galapagos.

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.

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
  • Isla San Benito, July 14-17, 1905
  • Isla Cedros, July 18, 1905
  • Isla Natividad, July 19, 1905

Expedition participants included:


Slevin became curator of the herpetology department in 1928.

Slevin died of a heart attack alone at his home in San Francisco on February 15, 1957 at age 75. Slevin was survived by his son Joseph Gregory Slevin. His wife, Imelda, predeceased him.


Slevin collected on all eight California Channel Islands and more:

  • Anacapa Island (1913, 1919) [one day: April 13, 1913]
  • San Clemente Island (1912, 1918)
  • San Miguel Island (1913, 1919)
  • San Nicolas Island (1911) [five days: November 7-11]; 1918 with Evermann & Van Denburgh
  • Santa Barbara Island (1912) [October 4]
  • Santa Catalina Island (1912, 1918, 1941)
  • Santa Cruz Island (1913, 1919, 1921)
  • Santa Rosa Island (1911, 1913)


  • Farallon Islands (1926, 1936)
  • Isla San Martin (1905)
  • Isla Guadalupe (1922, 1923)



Island Collections~
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45303 Elgaria multicarinata multicarinata Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45304 Elgaria multicarinata multicarinata Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45305 Elgaria multicarinata multicarinata Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45306 Elgaria multicarinata multicarinata Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45307 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45308 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45309 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45310 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45311 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45312 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45313 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45314 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45315 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45316 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45317 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45318 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45319 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45320 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45321 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45322 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45323 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45324 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45325 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45326 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45327 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45328 Uta stansburiana elegans Herps
Anacapa Island J. S. Slevin CAS May 15, 1919 CAS-45329 Uta stansburiana elegans Herps


  • San Clemente Island
3/25/1918 MCZ herps
3/27/1918 CAS herps
http://portal.vertnet.org/o/cas/herp?id=43851
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35711 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35712 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35713 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35714 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35715 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35719 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35721 Uta Stansburiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35588 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35590 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35591 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35593 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35595 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35597 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35588 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35590 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35591 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35593 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35595 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35597 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35598 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35599 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35600 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35601 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35603 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35604 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35607 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35608 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35609 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35614 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35615 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35617 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35618 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35619 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 15, 1912 CAS-35620 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35623 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35628 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35629 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35631 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35633 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35634 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35642 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35644 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35648 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35650 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35652 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35653 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35654 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35658 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35660 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35661 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35662 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35663 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35664 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35666 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35669 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35670 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35672 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35673 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 16, 1912 CAS-35676 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35682 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35685 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35686 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35687 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35689 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35691 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35692 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35693 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35700 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35701 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35702 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35703 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35704 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35705 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35706 Xantusia riversiana Herps
San Clemente Island J. S. Slevin CAS October 17, 1912 CAS-35707 Xantusia riversiana Herps
San Clemente Island J. S. Slevin MCZ October 1912 MCZ R-9177 Xantusia riversiana Herps
San Clemente Island J. S. Slevin MCZ October 1912 MCZ R-9178 Xantusia riversiana Herps
San Clemente Island J. S. Slevin MCZ October 1912 MCZ R-9179 Xantusia riversiana Herps
San Clemente Island J. S. Slevin MCZ October 1912 MCZ R-9180 Xantusia riversiana Herps
San Clemente Island J. S. Slevin MCZ October 1912 MCZ R-9181 Xantusia riversiana Herps
San Clemente Island J. S. Slevin MCZ October 1912 MCZ R-9182 Xantusia riversiana Herps


  • San Miguel Island
4/11/1913 CAS herps
http://portal.vertnet.org/search?q=San+Miguel+Island+++Slevin
5/16/1919 CAS herps
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
San Miguel Island J. S. Slevin CAS May 16, 1919 CAS-45226 Batrachoseps pacificus pacificus Herps


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-33390 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-33391 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-33393 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30754 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30755 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30756 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30757 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30758 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30759 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30760 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30761 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30762 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30763 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30764 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30764 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30765 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30767 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30768 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30769 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30770 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30771 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30772 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30773 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30774 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30775 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30776 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30777 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30778 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30779 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30780 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30781 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30782 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30783 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30784 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30785 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30786 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30787 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30788 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30789 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30790 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30791 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30792 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30793 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30794 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30795 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30796 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30797 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30798 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30799 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30800 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30801 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30802 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30803 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30804 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30805 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30806 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30807 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30808 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30809 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30810 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30811 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30812 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30813 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30814 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30815 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30816 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30817 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30818 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30819 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30820 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30821 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30822 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30823 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30824 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30825 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30826 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30827 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30828 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30829 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30830 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30831 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30832 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30833 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30834 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30835 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30836 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30837 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30838 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30839 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30840 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30841 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30842 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30843 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30844 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30845 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30846 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30847 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30848 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30849 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30850 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30851 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30852 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30853 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30854 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30855 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30856 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30857 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30858 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30859 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30860 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30861 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30862 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30863 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS November 7-11, 1911 CAS-30864 Xantusia riversiana Herps
~ trip ~
San Nicolas Island J. S. Slevin CAS March 29, 1918 Xantusia riversiana Herps
San Nicolas Island J. S. Slevin CAS March 29, 1918 Xantusia riversiana Herps



| class="wikitable " |- | ISLAND || COLLECTOR || INSTITUTION|| DATE|| NUMBER || SPECIMEN |- | Santa Catalina Island ||J. S. Slevin || FMNH||April 1941||FMNH-86704|| Batrachoseps major ||Herps |- | Santa Catalina Island ||J. S. Slevin || FMNH||April 1941||FMNH-86705|| Batrachoseps major ||Herps |- |}


  • Santa Cruz Island
4/13/1913 CAS herps
http://portal.vertnet.org/search?q=Santa+Cruz+Island+++Slevin
5/15,16,17/1919 CAS herps
http://portal.vertnet.org/o/cas/herp?id=45150
http://portal.vertnet.org/o/cas/herp?id=45151
http://portal.vertnet.org/o/cas/herp?id=45152
5/27/1921 CAS herps
6/11/1921 CAS herps


  • Santa Rosa Island
4/12/1913 CAS herps
http://portal.vertnet.org/search?q=Santa+Rosa+Island+Slevin



In the News~

March 1918: J. R. Slevin, in the company of California Academy of Sciences colleagues John Van Denburgh, Joseph Mailliard, and academy director, Barton Warren Evermann, visited San Clemente, San Nicolas, Santa Barbara and Santa Catalina islands on a collecting trip.


October 3, 1912 [LAT]: “J. R. Slevin, of the San Francisco Academy of Science, returned today from a five days’ cruise in the launch Flyer to Santa Barbara Island. He brought back several glass jars of little reptiles and a sack full of live island lizards.”


October 18, 1912 [LAT]: “Prof. J. A. Slevin and two geologists, representing the Academy of Science in California, left today in the chartered launch Neptune for Santa Barbara, San Nicolas and San Clemente islands on a voyage of investigation which may last several weeks. Still other of the Channel Islands in addition to those named may be visited. A search for reptiles common to the various isles will be made and the scientists expect to find many features of interest in their study of natural history. They will spend a week each on Clemente and San Nicolas.

October 19, 1912 [LAT]: “No snakes on San Clemente. After hunting reptiles on the Channel Islands for the past three months, Professor J. R. Slevin of the Academy of Science of San Francisco, finished a four-day hunt on San Clemente Island and added nine varieties of lizards to his collection. No snakes were found on San Clemente Island… Each specimen has been preserved and will be sent to San Francisco. ‘It is the desire of my department,’ said Prof. Slevin, ‘if possible, to connect the Channel Islands by their reptiles and other scientific proofs. I have found exactly the same species of lizards on San Nicolas, Santa Barbara, Santa Catalina and San Clemente islands. Two of these islands, however, have no snakes…”

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