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Taxonomy of the Neotropical Hylidae
(Texas Memorial Museum, The University of Texas at Austin, 1968-11)
The Hylidae are arciferous, procoelian frogs, generally having maxillary teeth. Presumably derived from bufonid stock (Noble, 1931), one of the distinctive features of the family is the cartilage intercalated between the ...
Geographic Variation in Brazillian Species of Hyla
(Texas Memorial Museum, The University of Texas at Austin, 1968-10)
Until now, practically all Brazilian species of Hyla have been described or discussed exclusively under the nominative form, without regard for geographical variation. The subspecies is almost unknown in the systematics ...
A New Systematic Arrangement for Philodryas serra (Schlegel) and Phylodryas pseudoserra Amaral (Serpentes: Colubridae)
(Texas Memorial Museum, The University of Texas at Austin, 1977-07)