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 j. Cere 
light yellowish green, feet yellow, bill blue liorn-colour. 
The first notice of Cooper’s Hawk from the interior of British 
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 7f. Eye orange, 
feet and cere yellow. 
No. 165. Thirty miles south of Fort Edmonton, Sept. 27th, 
1858. Length 14J in., wing 8|. 
6. Buteo swainsoni. <5 No. 78. Forks of Saskatchewan 
River, May 5th, 1858. Length 21 in., wing 15 j, tail 8. Feet 
yellow, cere light 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 19f in., wing 15 j. 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 in., wing 16J, 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 
