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Displaying results 1–15
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A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus
William Edward Duellman and Linda Trueb
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Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
William Edward Duellman
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Neotropical Hylid Frogs, Genus Smilisca
William Edward Duellman and Linda Trueb
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The Amphibians and Reptiles of Michoacán, México
William Edward Duellman
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
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Middle American Frogs of the Hyla microcephala Group
William Edward Duellman and M. J. Fouquette
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The Genera of Phyllomedusine Frogs (Anura: Hylidae)
William Edward Duellman
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Descriptions of New Hylid Frogs From Mexico and Central America
William Edward Duellman
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
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Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas
William Edward Duellman and Barbara Berg
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A Review of the Frogs of the Hyla bistincta Group
William Edward Duellman
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A Taxonomic Study of the Middle American Snake, Pituophis deppei
William Edward Duellman
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Descriptions of Two Species of Frogs, Genus Ptychohyla
William Edward Duellman
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Systematic Status of the Colubrid Snake, Leptodeira discolor Günther
William Edward Duellman
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A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México
William Edward Duellman
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Displaying results 1–15
