2O4 VERTEBRATES : BIRDS. 



The Gray-crowned Finch, L. tephrocotis, Sw., of the 

 Northern Rocky Mountains, is over seven inches long, 

 and the wing four and three tenths inches. 



The Genus Plectrophanes has the bill always more or 

 less curved or blunted, the wings one half longer than 

 the tail, the hind claw much the largest ; colors black 

 and white. 



The Snow-Bunting, P. nivalis, Meyer, of Northern 

 North America and south into the United States in 

 winter, is six and three quarters inches long, the wing 

 over four and one third inches ; the colors in full plumage 

 black and white ; in winter, white beneath, head and 

 rump yellowish brown, back brown. Snow-Buntings 

 move in flocks, and keep mainly in open fields. 



The Lapland Longspur, P. lapponicus, Selby, of North- 

 ern North America, is six and a quarter inches long, the 

 wing nearly four inches ; the head all round and extend- 

 ing to the breast black ; the sides of the lower part of 

 the neck and under parts white ; a chestnut collar on the 

 back of the neck ; and the remaining upper parts brown- 

 ish yellow streaked with brown. 



Smith's Bunting, P. pictus, Sw., of Illinois in winter 

 and northward in summer, is five and a half inches long, 

 the wing three and a half inches, and is distinguished 

 from all the preceding by the flesh-colored legs. 



The Chestnut-collared Bunting, P. ornatus, Towns., of 

 the Upper Missouri, is five and a quarter inches long, the 

 wing three and one fifth inches, and is distinguished by a 

 chestnut band on the neck. 



The Black-shouldered Longspur, P. melanomus, Baird, 

 of the eastern slope of the Rocky Mountains, closely re- 

 sembles the preceding. 



Maccown's Longspur, P. Maccownii, Lawr., of the east- 

 ern slope of the Rocky Mountains, is five and a half 

 inches long, the wing over three and a half inches, and 

 is distinguished by its large and stout bill. 



