Marine Turtles of the Galapagos Islands and Adjacent Areas of the Eastern Pacific on the Basis of Observations Made by J. R. Slevin 1905-1906

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Abstract
The field notes of J. R. Slevin written during the expedition of the California Academy of Sciences [USA] to the Galapagos Islands in 1905-1096 contain previously unavailable data on the marine turtles of the eastern Pacific. Land basking by green turtles in Galapagos was predominately, if not exclusively, a female behavior. These terrestrial emergences were not concentrated in the major reproductive season of Galapagos turtles. Female Chelonia were collected on shore during daylight hours on Socorro Island southwest of Baja California, Mexico. Chelonia, green turtles, were observed to feed on seaweed, the leaves and shoots of mangrove trees, and the leaves of another unidentified shoreline shrub. Comparative data on the gonads of dark and yellow turtles indicated that the latter did not breed in Galapagos during Slevin''s stay. Lepidochelys olivacea, the olive ridley, was recorded in Galapagos waters and fed on fish eggs.

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