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1.
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A contribution to the knowledge of the l fauna of El Petén, Guatemala Stuart, Laurence Cooper
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2.
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Third addition to a knowledge of the Batrachia and Reptilia of Costa Rica Cope, Edward Drinker
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3.
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Some additions to the knowledge of the anatomy, principally of the vascular system, of Hatteria, Crocodilus and certain Lacertilia Beddard, Frank E
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4.
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A contribution to a knowledge of the herpetology of a portion of the savanna region of central Petén, Guatemala Stuart, Laurence Cooper
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5.
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Biogeography, current knowledge and conservation of threatened vascular plants characteristic of Mexican temperate forests Vega, IL - Ayala, OA - Contreras-Medina, R - Vargas, AP
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6.
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Cysticercosis: present state of knowledge and perspectives. Flisser, A. - Willms, K. - Laclett, J.P. - Larralde, C. - Ridaura, C. - Beltran, F.
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7.
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Cora ethnozoology, l knowledge; a bio-ecological and cross cultural approach Malkin, Borys
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8.
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Sumu ethnozoology: herpetological knowledge Malkin, Borys
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9.
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Additions to the knowledge of the herpetofauna of Oaxaca, Mexico Hobart M Smith
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10.
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An analysis of the knowledge of the turtle fauna of Mexico Rozella B Smith - Hobart M Smith
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