by Jay Mathers Savage
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The geographic distribution of frogs
Ecological development in the humid trop...
Evolution (Modern biology series)
A handlist with preliminary keys to the ...
The Isthmian Link and the evolution of n...
A revision of the Ecuadorian snakes of t...
On the origin of species by means of nat...
L'Évolution créatrice
Introduction to genetic analysis
Microbiology
Life and Habit
Vestiges of the Natural History of Creat...