Revision of the American pikas : (genus Ochotona) /

Bibliographic Details

Main Author:	Howell, Arthur H. (Arthur Holmes), 1872-1940
Format:	Government Document Book
Language:	English
Published:	Washington : Govt. print. off, 1924.
Series:	U.S. Dept. of agriculture. Bureau of biological survey. North American fauna no. 47
Subjects:	Pikas.