TY  - BOOK
AU  - Duellman,William Edward
TI  - Descriptions of Two Species of Frogs, Genus Ptychohyla: Studies of American Hylid Frogs, V
AV  - QH 
PY  - 2010///
PB  - Project Gutenberg
KW  - Frogs
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/31334
ER  -