Dugesia polychroa (Turbellaria, Tricladida)
Subtitle: a contribution to its comparative ecology
Contributors: Toronto, Ont. University.
Publisher: s.n.]
Published: 1974
Place of publication: [Toronto, Ont
Language: eng
Number of pages: 189
Subjects: Dugesia polychroa; Ecology -- Ontario -- Toronto harbor area
Notes: Vita.

Summary in French.

Thesis--University of Toronto.

Bibliography: leaves 165-180.