158 EXTINCT AND VANISHING MAMMALS 



Robson region" of Alberta, a statement which doubtless still 

 applies to this animal. 



Ursus pellyensis Merriam. PELLY GRIZZLY 



Range: Pelly Mountains, Yukon. Grizzlies are still found 

 in small numbers in the Yukon region, but since it is not 

 possible to identify animals without killing them and examin- 

 ing their skulls, it is unknown whether this form is represented 

 or not. 



Ursus andersoni Merriam. ANDERSON'S GRIZZLY 



Range: The type specimen is from Dease River, near Great 

 Bear Lake, Mackenzie; limits of range unknown. Grizzly 

 bears, according to Treble's (1908) summary, are not uncom- 

 mon in the region. 



HORRIAEUS GROUP 



Ursus apache Merriam. APACHE GRIZZLY 



Range : White Mountains of eastern Arizona. The type was 

 collected in 1913, but at the present time the predatory- 

 animal campaigns have resulted in reducing the numbers to so 

 low an ebb that already this form may have been extirpated. 



Ursus horriaeus Baird. NEW MEXICO GRIZZLY 



Range: "Parts of New Mexico, south to Casas Grandes, 

 Chihuahua, Mexico; probably extending into eastern Arizona" 

 (Merriam). Probably now extinct. 



Ursus henshawi Merriam. HENSHAW'S GRIZZLY 



Range: "Lower slopes of southern part of Sierra Nevada; 

 limits unknown" (Merriam). The type specimen was from 

 near Havilah, Kern County, California, and Grinnell, Dixon, 

 and Linsdale (1937) mention as representing probably the 

 same sort of animal, skins from Madera County. They pro- 

 visionally refer to this form the grizzly population of the 

 Yosemite region and the central and northern Sierra Nevada 

 generally. In the Yosemite region, according to Grinnell and 

 Storer (1924) the grizzly bear was rare already by 1887, when 

 the capture of one was considered "an unusual event." The 

 last one known to have been killed in the Yosemite Park was 

 shot "'about 1895' at Crescent Lake." Possibly a few indi- 

 viduals persisted longer, for the authors mentioned tell of one 

 whose tracks were frequently seen on Bullion Mountain 



