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Zoologica v.54:no.2 (1969:Summer)
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Some Mexican and Central American land snails of the family Cyclophoridae
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By: Thompson, Fred G.,
Type: Article
In: Zoologica : scientific contributions of the New York Zoological Society
Volume: 54
Issue: 4
Date: 1969-11-17
Page Range: 35--77
Publication info: New York,
The underwater song of Erignathus (Bearded seal)
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By: Ray, Carleton - Watkins, William A. - Burns, John J.
Type: Article
In: Zoologica : scientific contributions of the New York Zoological Society
Volume: 54
Issue: 5
Date: 1969-11-17
Page Range: 79--83
Publication info: New York,