342 APPENDIX F 



the recent presence of this animal, so characteristic of the Arctic 

 Prairies. 



Measurements, etc., of the bull musk-ox: 



Weight, after loss of blood, waste through one day's drying, 

 etc., all cut up, 850J pounds; therefore surely 900 pounds live 

 weight. 



Total length, 96 inches; tail, 4 inches; length of head, 23 

 inches; height at shoulders, 59 inches; hind-foot, 19 inches hock 

 to toe; front hoof, width, 5| inches; hind hoof, width, 4 inches; 

 girth of belly, 92 inches; length of each horn, 25 inches; width 

 across base of horn, 9 inches. Eye, golden brown like that of a 

 sheep, with a linear horizontal pupil. 



Marmota monax canadensis (Erxleben) . Canadian Woodchuck. 

 A female specimen was collected on the large island at Fort 

 McMurray, on May 28. It measured: Total length, 435 mm; 

 tail, 125; hind-foot, 75; weight 3 pounds. We learned from 

 Robillard that the animal is fairly common near Fort McKay. 



Citellus (Colobotis) parryi (Richardson). Parry's Ground- 

 Squirrel. 



This fine species was first observed near our camp at the tree 

 limit on Artillery Lake, on August 7. The species was abundant 

 from that point northward around the shores of Casba, Clinton- 

 Golden, and Aylmer Lakes. A large series was collected, but 

 the skins, unfortunately, were lost by the upsetting of a canoe on 

 our homeward trip. The following description is of an adult 

 female, collected at our camp on Artillery Lake in early Sep- 

 tember. 



Adult female, length, 14J in.; tail, 4 in.; hind-foot, 2^ in.; 

 weight, 1J Ibs. Head, legs, and under parts generally of a pale 

 orange brown, or rich orange buff, darker on forehead, and 

 nearly white on chin and eyelids ; on the nape and sides this colour 

 melts into the mantle of brownish gray, covered with little whitish 

 spots, each as big as a small pea, each with a dusky edge above 

 and below it. The under side of the tail is deep orange, except 



