Mr. Sjelsy's Notice ofCypselus alpinus, 8(c. 293 



are black ; the margins of four or five of the secondary quills are white, 

 and form a small spot or speculum in the middle of the wings ; the quills 

 and tail are greyish black ; the lower part of the breast, belly, and ab- 

 domen, pure white, with a silky lustre; the sides and flanks deep 

 brownish grey j the legs and feet are now reddish brown. The tarsus 

 measures just one inch in leng^^h. 



