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1.
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A contribution to the knowledge of variation in Opheodrys vernalis (Harlan), with the description of a new subspecies Grobman, Arnold B
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2.
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Seroepidemiology of human cysticercosis in Mexico. Woodhouse, E. - Flisser, A. - Larralde, C.
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3.
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Limnología de la Presa de Apizaquito, Tlaxcala Pérez-Rodríguez, R.
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4.
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Diversidad protozoológica de México. II. Especies asociadas a moluscos López-Ochoterena, E.
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5.
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Hidrología y fauna acuática de los cenotes de la península de Yucatán. Suárez-Morales, E. - Rivera-Arriaga, E.
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6.
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Circulación del Golfo de México Zambrano-Salgado, L. - Portilla-Casillas, J. - Rendón-Villalobos, R. - Jaimes de la Cruz, B. - Vidal, F. V. - Vidal, V. M. V. - Rodríguez-Espinosa, P. F.
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7.
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Aportaciones recientes al conocimiento de la biogía y distribución de Phocoena sinus (Cetacea:Phocoenidae) Villa-R, B. - Delgado-Estrella, A. - Peralta-Pérez, M.
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8.
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La importancia de los estudios regionales de circulación en el Golfo de México Vidal, V. M. V. - Vidal, F. V.
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9.
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Cora ethnozoology, l knowledge; a bio-ecological and cross cultural approach Malkin, Borys
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10.
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Sumu ethnozoology: herpetological knowledge Malkin, Borys
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11.
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Additions to the knowledge of the herpetofauna of Oaxaca, Mexico Hobart M Smith
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12.
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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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13.
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A contribtion to our knowledge of the herpetofauna of the Mexican state of Aguascalientes Anderson, James Donald - William Z Lidicker, Jr
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14.
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Contributions to the knowledge of the systematic arrangement and anatomy of certain genera and species of Squamata Beddard, Frank E
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15.
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A contribution to the knowledge of the l fauna of El Petén, Guatemala Stuart, Laurence Cooper
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16.
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Second addition to the knowledge of the Batrachia and Reptilia of Costa Pica Cope, Edward Drinker
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17.
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Third addition to a knowledge of the Batrachia and Reptilia of Costa Rica Cope, Edward Drinker
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18.
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Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley S
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19.
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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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20.
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Contribution to the knowledge of the nematodes that parasitize the reptiles of Mexico Caballero, R G
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21.
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A contribution to the knowledge of the variations of the tree frog Hyla regilla Test, Frederick Cleveland
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22.
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Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley Smyth
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23.
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Additions to the knowledge of the amphibians of the Estacion de Biologia Tropical "Los Tuxtlas" Pérez Higareda, Gonzalo
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24.
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A survey of internal oral features of leptodactyloid larvae (Amphibia: Anura) Wassersug, Richard J - W Ronald Heyer
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25.
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Academy Journals Public Knowledge Project under the GNU General Public License
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26.
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Web of Knowledge Thomson Reuters
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27.
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Addresses in memory of Edward Drinker, Cope delivered at the meeting in the hall of the American Fhilosophical Society held at Philadelphiafor promotig useful knowledge Anonymous
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28.
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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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29.
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Spindly leg syndrome in frogs: present knowledge and future directions to elucidate its causes Marlett, James H - Victor B Eichler - Michelle Fellows-Hagemeister
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30.
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International Union for conservation of Nature Library International Union for Conservation of Nature - Ramsar Convention on Wetlands - United Nations Environment Programme World Conservation Monitoring Centre
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31.
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The land classification system of the San Nicolás Zoyatlán (S Mexico) nahuatl indigenous community: A basis for a suitable parametric soil use proposal Cervantes-Gutiérrez, V - Gama-Catro, JE - Hernández-Cárdenas, G - Meave del Castillo, Jorge Arturo
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32.
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Ciberinfraestructura para Literatura Especializada en Ciencias Biomédicas Calderón Rojas, R
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