Differential characteristics of Southwestern rattlesnakes allied to Crotalus atrox
By: by L.M. Klauber
Series: Bulletins of the Zoological Society of San Diego -- no. 6; Zoological Society of San Diego. Bulletins -- no. 6.
Publisher: Zoological Society of San Diego
Published: 1930
Place of publication: San Diego, Calif
Language: eng
Number of pages: 70
Subjects: Rattlesnakes
Notes: "May 21, 1930."

Includes bibliographical references (pages 57-58).