56 CATALOGUE OF CANADIAN BIRDS. 



Accipiter atricapillus striatulus. 



WESTERN GOSHAWK. 



Occurs in British Columbia, north to Alaska. 



Buteo borealis. 



RED-TAILED HAWK. 



Occurs from the Atlantic to the Great Plains as a summer 

 resident. A few winter in Southern Ontario. On the sea-board 

 it has not been taken north of latitude 49 ; but Dr. BELL reports 

 ft at Fort Churchill, on Hudson's Bay. 



Buteo borealis calurus. 



WESTERN RED-TAIL. 



Occurs in British Columbia, from the Rocky Mountains to 

 the Pacific. 



Buteo lineatus. 



RED-SHOULDERED HAWK. 



A rather common summer resident of the Eastern Provinces, 

 probably more abundant in Ontario than elsewhere. Dr. BELL 

 reports its cccurrence a/ York Factory, on Hudson's Bay ; and 

 Mr. THOMPSON, on the authority of Mr. HUNTER, gives it as 

 rather common in Eastern Manitoba. 



Buteo swainsoni. 



SWAINSON'S HAWK. 



This is an abundant summer resident in Manitoba, and occurs 

 westward to the Cascade Mountains ; Mr. MC!LWRAITH considers 

 it a regular, though rare, visitor to Ontairo; Dr. HALL considered 

 it rare near Montreal in his day some fifty years ago, and in the 

 DUNLAP -WiNTLE list but two specimens are recorded. 



