Describes the physiology of the earthworm and the useful services it performs for man.
- ISBN10 0811661040
- ISBN13 9780811661041
- Publish Date 1 January 1976
- Publish Status Out of Print
- Out of Print 30 June 2021
- Publish Country US
- Imprint Garrard Pub. Co.
- Format Hardcover
- Pages 64
- Language English