The ecological significance of a colour polymorphism in the common garter snake, Thamnophis sirtalis (L.)
By: by Andrew Ralph Gibson.
Contributors: Toronto, Ont. University.
Publisher: s.n.]
Published: 1978
Place of publication: [Toronto
Language: eng
Number of pages: 434
Subjects: Garter snakes; Reptiles -- Color
Notes: Thesis--University of Toronto.

Vita.

Bibliography: leaves 389-407.