Copulatory adjustment in snakes
By: by Clifford H. Pope.
Series: [Field Museum of Natural History.  Publication] no. 500; Zoological series of Field Museum of Natural History, v. 24, no. 22; Fieldiana -- v. 24, no. 22; Publication (Field Museum of Natural History : 1909) -- 500
Published: 1941
Place of publication: Chicago
Subjects: Serpents; Sex (Biology)