ILLUSTRATING DISTRIBUTION OF MOUNTAIN SHEEP IN AREAS 

 INDICATED ON THE MAP 



PLATE VIII 



Distribution Areas 



A. — Occupied by Fig. 1 

 (Oris (lalli) exclusively 



B. — Ogilvie Mountains 

 occu])iecl by Figs. 2, 3, 4, 

 oxcoptionally Fig. 5, in 

 eastern section. Figs. 2 

 ;infi 3 greatly in the ma- 

 jority. Between Yukon 

 and Tanana Rivers oc- 

 cupied mostly by Fig. 2 

 with much less black on 

 tail, occasionally Pig. 1. 

 West of Lewes River oc- 

 cupied by Figs. 1 and 2 

 in the majority; Figs. 

 2, 3, 5 exceptionally 



C. — Occupied by Figs. 

 2, 3, 4, 5. 6, 7. Figs. 3, 

 4, 5, 6 most common. 

 Intermediate colours be- 

 tween 2 and 3 equally 

 common 



D. — Occupied by Figs. 

 4, 5, 6, 7, 8. Figs. 5, 6, 7 

 in the majority. Ten- 

 dency toward lighter col- 

 ours in the north. Fig. 4* 

 exceptional in the north, 

 still more so toward the 

 south. Fig. 9 occasion- 

 ally in the south 



E. — Occupied by Fig. 

 (Ovis stonei). Rarely 

 Figs. 6 and 7 are found 

 in this area 



Figs. 1, 5, and 9 were 

 drawn from the Types. 

 The other figures are 

 from specimens illustrat- 

 ing the average colours, 

 but. actually every interniediato gradation of colour occurs between each form illus- 

 trated 



(After Sheldon) 



