in the Interior of British North America. 317 



death, unless otherwise stated, have been taken at the time of 

 the bird being killed. Moreover, the sex, if inserted, has been 

 ascertained by dissection. 



4. AcciPiTER cooPERii. $ No. 114. Forks of Saskatchewan 

 River, May 21st, 1858. Length 19 in., wing 9|, tail 8|. Cere 

 light yellowish green, feet yellow, bill blue horn-colour. 



The first notice of Cooper's Hawk from the interior of Bi'itish 

 North America is here recorded ; it was obtained by M. Bour- 

 geau, and belonged to a nest in a balsam poplar, from which he 

 procured two eggs of a bluish-white colour, which measured 1'8 

 to 1*9 in, by 1'4. The eyes were damaged by shot, but the irides 

 appeared to have been orange. I have no other particulars of 

 this species, which appears to be much commoner on the Atlantic 

 coast of the United States. 



5. AcciPiTER Fuscus. $ No. 101. Forks of Saskatchewan 

 River, May 15th, 1858. Length 13 in., wing 7|. Eye orange, 

 feet and cere yellow. 



No. 165. Thirty miles south of Fort Edmonton, Sept. 27th, 

 1858. Length 14^ in., wing 8^. 



6. BuTEO SWAINSONI. 6 No. 78. Forks of Saskatchewan 

 River, May 5th, 1858. Length 21 in., wing 15|, tail 8. Feet 

 yellow, cere hght yellow, bill bluish horn-colour. 



Another male, Saskatchewan Plains, May 4th, 1858. Length 

 20 in., wing 15|. Eye chocolate-hazel, feet and cere light 

 yellow, bill bluish black, colour of plumage same as No. 78. 



Another male, forks of Saskatchewan River, May 18th, 1858. 

 Length 19| in., wing 15i. The rusty bars on the belly and femo- 

 rals rather more distinct; hardly so much white on the throat; 

 bars on upper part of tail not so dark as No, 78. 



Another male, forks of Saskatchewan River, May 25th, 1858. 

 Length 19| in., wing 15, tail 8. Eye chocolate-brown, feet and 

 cere yellow, bill dark-blue horn-colour, plumage same as No. 78. 



No. 108 $ . Forks of Saskatchewan River, May 18th, 1858. 

 Length 21 1 in., wing 161, tail 9. Stomach contained three toads. 



This well-marked species is abundant in the neighbourhood of 

 the Saskatchewan River ; and out of a number shot I have pre- 

 served two fine, well-marked individuals. M. Bourgeau was also 



