APPENDIX 197 



which two grizzlies circled above two sheep low down on 

 a mountain just above a glacier; the bears drove the sheep 

 upon the glacier, where they fell in a ten-feet deep crevasse 

 and where the bears killed them. The writer deems these 

 reports as coming from sufficiently credible and reliable 

 sources to establish the fact. 



Since the sheep only come down to the lower slopes for 

 feeding in the morning or early in the afternoon and at 

 all other times are found high up among the pinnacles and 

 snow crests, where they sleep and rest in safety, it follows 

 that they are only sought by wolves or other predatory ani- 

 mals in the daytime; as soon as the sheep reaches the pre- 

 cipitous rock slopes, he can easily outrun a wolf or bear; 

 and, as he rests on the crests of the mountains, his phe- 

 nomenal sense of smell is ample to warn him of the presence 

 of any animal. 



CARIBOU 



Yukon Territory teems with both the Barren Ground 

 caribou, Rangifer arcticus, and the Woodland caribou, 

 Rangifer osborni, the latter being the larger and more beau- 

 tiful, with very dark gray, almost black bodies and beautiful 

 white manes about the neck. The horns of the osborni 

 caribou are also longer and broader of beam than the barren 

 ground or arctic variety ; it is only the osborni type that was 

 observed by the writer. 



The osborni is not found in large herds, the largest of 

 several hundred herds observed by the writer containing only 

 sixty-eight animals; unlike the Barren Ground variety they 

 do not range over a wide extent of territory, but their range 

 is probably limited to one hundred miles. Unlike the 



