study of the morphology, taxonomy, distribution and evolution of Polycelis coronata (Girard) (Turbellaria, Tricladida) in Washington
By: by Stuart E. Nixon.
Published: 1975
Language: eng
Number of pages: 51
Subjects: Polycelis; Turbellaria -- Washington (State); Tricladida
Notes: Typescript.

Thesis (M.S.)--Western Washington State College.

Bibliography: leaves 49-51.