00750cam a22002171 4500 agr24000746 DLC 20260227110944.0 790424s1924 dcuabf f001 0 eng agr24000746 (OCoLC)4892906 DLC WyU OCoLC ISS DLC QL115 .A4 no. 47 I 49.30:47 Howell, Arthur H. (Arthur Holmes), 1872-1940. Revision of the American pikas (genus Ochotona) By Arthur H. Howell. Washington, Govt. print. off., 1924. iv, 57, [1] p. illus. (maps) VI pl. (incl. front) on 4 l. 24cm. U.S. Dept. of agriculture. Bureau of biological survey. North American fauna no. 47 Pikas. 8910 8910