Time, energy and risk in two species of carnivorous gastropods
By: John Merritt Emlen.
Publisher: Emlen
Published: 1966
Place of publication: [Seattle]
Language: eng
Number of pages: 138
Subjects: Gastropoda -- Food.; Gastropoda -- Behavior.; Natural selection.
Notes: Microfilm copy.  Ann Arbor, Mich. : Xerox University Microfilms, 1975. 1 reel ; 35 mm.

Thesis--University of Washington.

Bibliography: leaves [127-128]