_Rangifer arcticus_ (Richardson): Clarke, 1940: 5, 7 (dependence of Indians and Eskimos on caribou); 8-9 (Rum Lake country a wintering ground; Eskimos from Back’s River to Wager Inlet and Baker Lake dependent on winter caribou; likewise those at Beverly, Aberdeen, and Schultz lakes); 11 (great winter herd S. and W. of Bathurst Inlet); 65 (fluctuations; current abundance in Hanbury-Thelon region and scarcity at Baker Lake); 70 (parasites; diseases); 84 (economic importance); 85-86 (migrating southward in late July in Thelon Game Sanctuary and at Tourgis Lake, in early August at Hanbury, Artillery, Clinton-Colden, and Aylmer lakes, and from early August to late September at Taltson River and Thekulthili and Nonacho lakes; in autumn near Lac de Gras and on upper Back’s River; in autumn and winter at Reliance and Snowdrift); 87-90 (at least 100,000 migrating N. in early July at Hanbury and Thelon rivers, including does with month-old fawns); 89, 90 (molt); 91 (previous records in Thelon Sanctuary region); 92-93 (near Lake Athabaska and Slave River and at Hill Island Lake in early August; Wood Buffalo Park in winter; the various groups and their movements defined); 93-95 (early ideas of migrations); 95 (fallacies; sexual segregation; antlers; influence of flies); 96-97 (details of migratory movements; retrograde autumnal movement); 98 (extermination of bands formerly migrating from mainland to Victoria and King William islands); 98-100 (irregular migrations; influences--such as wide open waters, overgrazing, and fires--affecting migrations); 101-104 (carrying capacity of range; numbers estimated at 3,000,000; increase and decrease); 104-106 (accidents); 106-107 (effects of fire and overgrazing; food); 107-110 (wolves and other predators); 110 (hunting and its effects); 112 (importance to natives). _Rangifer arcticus arcticus_ (Richardson): G. M. Allen, 1942: 297 (mainstay of Eskimos and Indians); 297-298 (description); 298-299 (Hudson Bay to Mackenzie River, N. to Banks and Victoria Islands, Boothia, Southampton and Baffin Islands, S. to Churchill River, Reindeer Lake, and ne. Alberta; migratory habit; shift of range due to human crowding and destruction of winter forage by fire); 299 (increased slaughter in winter range; reduction on Southampton Island). “Caribou”: Manning, 1942: 28 (rapidly reduced on Southampton Island after establishment of a post in 1924); 29 (insufficient skins for Eskimo clothing); 29 (wolves, for lack of caribou, became extinct on Southampton by 1937).