Van Denburgh, John The snakes of the Galapagos islands / by John Van Denburgh. - [S.d. : s.d.], 1912 - 323-374 [s.d.] - Proceedings of the California Academy of Sciences vol. I . Inglés Subjects--Topical Terms: ZoologíaZoologyHerpetologíaHerpetologyReptilesCiencias básicasPure science Subjects--Geographic Terms: Islas GalápagosGalapagos Islands Dewey Class. No.: 597.96