_Rangifer arcticus arcticus_ (Richardson): R. M. Anderson, 1937: 103 (lower Mackenzie River to Hudson Bay; use of skin and meat; scarce on coast W. of Bathurst Inlet; concentration between Bathurst Inlet, Great Slave Lake, and Baker Lake; S. into Wood Buffalo Park; use of rifles by Central Eskimos resulting in decrease; apparent intergradation with _R. a. pearyi_ in northern islands). “Caribou”: Godsell, 1937: 288 (caribou migrating between mainland and Arctic islands exterminated by Eskimos with ammunition supplied by traders); 289 (reindeer imported to mouth of Mackenzie to replace vanished caribou). _Rangifer arcticus_. . .: Henriksen, 1937: 25 (larvae of _Cephenomyia trompe_ L. from nasal passage, Baker Lake, May 2); 26 (larvae of _Oedemagena tarandi_ collected from caribou in May, Gore Bay, Lyon Inlet, and Melville Peninsula). _Rangifer arcticus arcticus_. . .: R. M. Anderson, 1938: 400 (perhaps no great reduction in numbers, but some shifting of range from human encroachments and fire; wintering S. to n. Manitoba and Saskatchewan and ne. Alberta; estimate of 3,000,000). _Rangifer arcticus_. . .: Hamilton, 1939: 109 (hoofs; function of fat); 244-247 (migrations); 246, 352, 359 (importance to Indians and Eskimos); 247 (influence of mosquitoes on movements; sexual segregation); 301 (distribution determined by insect pests); 359 (immense herd in ne. Saskatchewan). _Rangifer arcticus arcticus_ Richardson: Murie, 1939: 239 (Mackenzie River to Hudson Bay and Baffin Island, including some of the Arctic islands; diagnosis); 244 (antlers; pelage; migration; rut in September and October); 245 (food; ankle click; voice; gait; senses; insect pests; Wolves and other predators); 245-246 (danger from introduction of Reindeer); 246 (adaptation to environment).