A Review of the Middle American Tree Frogs of the Genus Ptychohyla

TGThe Genera of Phyllomedusine Frogs (Anura: Hylidae)William Edward DuellmanDODescriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, VWilliam Edward DuellmanATA Taxonomic Study of the Middle American Snake, Pituophis deppeiWilliam Edward DuellmanARA Review of the Frogs of the Hyla bistincta GroupWilliam Edward DuellmanANA New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, MéxicoWilliam Edward DuellmanTAThe Amphibians and Reptiles of Michoacán, MéxicoWilliam Edward DuellmanDODescriptions of New Hylid Frogs From Mexico and Central AmericaWilliam Edward DuellmanMAMiddle American Frogs of the Hyla microcephala GroupWilliam Edward DuellmanSSSystematic Status of the Colubrid Snake, Leptodeira discolor GüntherWilliam Edward DuellmanNHNeotropical Hylid Frogs, Genus SmiliscaWilliam Edward DuellmanAAAmphibians and Reptiles of the Rainforests of Southern El Petén, GuatemalaWilliam Edward DuellmanADA Distributional Study of the Amphibians of the Isthmus of Tehuantepec, MéxicoWilliam Edward Duellman

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