by Maynard Mayo Metcalf
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An outline of the theory of organic evol...
Contributions to the biology of the Phil...
An Outline of the Theory of Organic Evol...
The anatomy of the eyes and neural gland...
The anatomy and development of the eyes ...
Opalina japonica Sugiyama [not Metcalf]
The genus Salpa
Zur Nahrungs- und Bewegungsphysiologie v...
De animalibus quibusdam e classe Vermium...
Differentials in behavior of the two gen...
Salpa fusiformis Cuvier and related spec...