Distribution of the fresh-water sponges of North America
By: by Frank Smith.  Printed by authority of the state of Illinois.
Published: 1921
Place of publication: Urbana, Ill
Language: eng
Number of pages: 22
Subjects: Sponges -- North America
Notes: "Literature dealing with fresh-water sponges of North America":  p. 18-22
At head of title:  State of Illinois.  Department of Registration and Education.  Division of the Natural History Survey.  Stephen A. Forbes, Chief.