The earthworms of Ohio
Subtitle: with a study of their distribution in relation to the hydrogen-ion concentration, moisture and organic content of the soil
By: by Henry W. Olson
Series: Ohio Biological Survey. Bulletin -- v. 4, no. 2; Bulletin (Ohio Biological Survey) -- v. 4, no. 2
Publisher: Ohio State University Press
Published: 1928
Place of publication: Columbus
Language: eng
Number of pages: 90
Subjects: Earthworms; Worms -- Ohio; Soils
Notes: On cover: The Ohio State University Bulletin, v. 33, no. 5. Nov. 15, 1928