Some stages in the evolution of the nervous system and the fore-gut of the polychaet
By: by Frank Raw.
Series: Smithsonian miscellaneous collections -- v. 111, no. 8; Publication -- 3983; Publication (Smithsonian Institution) -- 3983.
Publisher: Smithsonian Institution
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 35
Subjects: Polychaeta.; Nervous system.
Notes: "References": p. 33-35.