Gophersnake
:''Common name: Pacific gopher snake, coast gopher snake, western gopher snake, Wright AH, Wright AA. 1957. ''Handbook of Snakes of the United States and Canada''. 2 volumes. Comstock Publishing Associates. (7th printing, 1985). 1,105 pp. . (''Pituophis catenifer'', pp. 588-609, Figures 171.-175., Map 46.) more.'' ''Pituophis catenifer'' is a species of nonvenomous colubrid snake endemic to North America. Nine subspecies are currently recognized, including the nominotypical subspecies, ''Pituophis catenifer catenifer'', described here. This snake is often mistaken for the prairie rattlesnake, but can be easily distinguished from a rattlesnake by the lack of black and white banding on its tail and by the shape of its head, which is narrower than a rattlesnake's. Etymology The specific name, ''catenifer'', is Latin for "chain-bearing", referring to the dorsal color pattern. Description Adults are 36-84 in (91–213 cm) in length. Dorsally, they are yellowish or p ...
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Henri Marie Ducrotay De Blainville
Henri Marie Ducrotay de Blainville (; 12 September 1777 – 1 May 1850) was a French zoologist and anatomist. Life Blainville was born at Arques, near Dieppe. As a young man he went to Paris to study art, but ultimately devoted himself to natural history. He attracted the attention of Georges Cuvier, for whom he occasionally substituted as lecturer at the Collège de France and at the Athenaeum Club, London. In 1812 he was aided by Cuvier in acquiring the position of assistant professor of anatomy and zoology in the Faculty of Sciences at Paris. Eventually, relations between the two men soured, a situation that ended in open enmity. In 1819, Blainville was elected a member of the American Philosophical Society in Philadelphia. In 1825 he was admitted a member of the French Academy of Sciences; and in 1830 he was appointed to succeed Jean-Baptiste Lamarck in the chair of natural history at the museum. Two years later, on the death of Cuvier, he obtained the chair of comparative a ...
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