A New Subspecies of Lizard,Cnemidophorus sacki,from Michoacan,Mexico
by
Duellman William
series:
Unknown
first published:
Unknown
The Amphibians and Reptiles of Michoacán,México
by
Duellman William
series:
Unknown
first published:
Unknown
Descriptions of New Hylid Frogs From Mexico and Central America
by
Duellman William
series:
Unknown
first published:
Unknown
Middle American Frogs of the Hyla microcephala Group
by
Duellman William
series:
Unknown
first published:
Unknown
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
by
Duellman William
series:
Unknown
first published:
Unknown
A Synopsis of Neotropical Hylid Frogs,Genus Osteocephalus
by
Duellman William
series:
Unknown
first published:
Unknown
Amphibians and Reptiles of the Rainforests of Southern El Peten,Guatemala
by
Duellman William
series:
Unknown
first published:
Unknown
A Distributional Study of the Amphibians of the Isthmus of Tehuantepec,Mexico
by
Duellman William
series:
Unknown
first published:
Unknown