LITERATURE CITED

Foromozov, A. N. 1946. The snow cover as an environment factor and its

importance in the life of mammals and birds. (Moskovskoe obshchestvo

ispytatelei priroda) Materialy k poznaniyu fauny i flory SSSR, Otdel.

Zool. n. 5 (XX). (Translation from Russian published by Boreal

Institute, Univ. Alberta, Edmonton, Alberta.)

Kelsall, J. P. 1968. The caribou. Can. Wildl. Serv. Monog. 3, 340 p.

Kelsall, J. P. 1969. Structural adaptations of moose and deer for snow.

J. Mammal. 50: 302-310.

Mech, L. D. 1966. Hunting behavior of wolves in Minnesota. J. Mammal.

47: 347-348.

Mech, L. D. 1970. The wolf: the ecology and behavior of an endangered

species. 389 p. New York: Natural History Press, Doubleday.

Nasimovich, A. A. 1955. The role of the regime of snow cover in the

life of ungulates in the U.S.S.R. Moskva, Akademiya Nauk SSSR. 403 p.

Pimlott, D. H., Shannon, J. A., and Kolenosky, G. B. 1969. The ecology

of the timber wolf in Algonquin Provincial Park. Out. Dep. Lands and

Forests Res. Rep. (Wildl.) 87, 92 p.

Rutter, R. J., and Pimlott, D. H. 1968. The world of the wolf. 202 p.

Philadelphia and New York: J. B. Lippincott Co.

Stenlund, M. H. 1955. A field study of the timber wolf (_Canis lupus_)

on the Superior National Forest, Minnesota. Minn. Conserv. Dep. Tech.

Bull. 4, 55 p.

Verme, L. J. 1968. An index of winter severity for northern deer. J.

Wildl. Manage. 32: 566-574.

THE POSSIBLE OCCURRENCE OF THE GREAT PLAINS WOLF

IN NORTHEASTERN MINNESOTA

Ecological Studies of the Timber Wolf in Northeastern Minnesota · 第 64 / 69 题