Variations and genetic relationships of the garter-snakes
By: by Alexander G. Ruthven.
Series: Smithsonian institution.  United States national museum.  Bulletin 61
Publisher: Govt. print. off.
Published: 1908
Place of publication: Washington
Language: eng
Number of pages: 201
Subjects: Garter snakes.; Animals -- Variation.
Notes: Bibliography: p. 195-198.