15 books · Free to read, at your pace.
Read A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México by William Edward Duellman online. Browse the complete text, chapters and notes.
Read A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México by William Edward Duellman online. Browse the complete text, chapters and notes.
Read A Review of the Frogs of the Hyla bistincta Group by William Edward Duellman online. Browse the complete text, chapters and notes.
Read A Review of the Middle American Tree Frogs of the Genus Ptychohyla by William Edward Duellman online. Browse the complete text, chapters and notes.
Linda Trueb and William Edward Duellman
Read A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus by Linda Trueb and William Edward Duellman online. Browse the complete text, chapters and notes.
Read A Taxonomic Study of the Middle American Snake, Pituophis deppei by William Edward Duellman online. Browse the complete text, chapters and notes.
Read Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala by William Edward Duellman online. Browse the complete text, chapters and notes.
Read Descriptions of New Hylid Frogs From Mexico and Central America by William Edward Duellman online. Browse the complete text, chapters and notes.
Read Descriptions of Two Species of Frogs, Genus Ptychohyla by William Edward Duellman online. Browse the complete text, chapters and notes.
William Edward Duellman and M. J. Fouquette
Read Middle American Frogs of the Hyla microcephala Group by William Edward Duellman and M. J. Fouquette online. Browse the complete text, chapters and notes.
William Edward Duellman and Linda Trueb
Read Neotropical Hylid Frogs, Genus Smilisca by William Edward Duellman and Linda Trueb online. Browse the complete text, chapters and notes.
Read Systematic Status of the Colubrid Snake, Leptodeira discolor Günther by William Edward Duellman online. Browse the complete text, chapters and notes.
Read The Amphibians and Reptiles of Michoacán, México by William Edward Duellman online. Browse the complete text, chapters and notes.
Read The Genera of Phyllomedusine Frogs (Anura by William Edward Duellman online. Browse the complete text, chapters and notes.
William Edward Duellman and Barbara Berg
Read Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas by William Edward Duellman and Barbara Berg online. Browse the complete text, chapters and notes.