OO eS ea a A eres 
PENWANT, THOMAS. 
ISVS USS), LUE c arevie zoology. Vol. 1; “introductions: 
Class 1, guadrupeds, 1784; Vol. 2, Class 2, birds, 
1785; supplement, 1787. 
PETERNAN, AUGUSTUS, 
1852. Notes on the distribution of animals available as food 
in the arctic regions. Roy. Geog. Soc. Jour. London 
ee: 118-127. 
PETROFF, IVAN. 
1884. Report on the population, industries, and resources of 
Alaska. Dept. Int., Census Office. p. 189. 
Washington. 
PIKE, WARBURTON. 
1892. The Barren Grounds of northern Canada. 300 pp. Londm 
and New York. 
PORSILD, A. E. 
1929. Reindeer grazing in northwest Canada. Report of an ia- 
vestigation of pastoral poasibilities in the area from 
the Alaska-Yukon boundary to Coppermine River. Canada 
Dept. Int. 46 pp. Ottawa. 
PURSILD, a. L. 
1943. Birds of the Mackenzie Delta. Canad. Field Nat. 57 (2-3): 
19-35, February-March. 
PORSILD, ERLING. 
1936. The reindeer industry and the Canadian Eskimo. Geog. 
Jour. 88: le-l9, July. 
34 
