APPENDIX C. — BIRDS. 319 



From Alauda flava of Audubon it differs in the larger size, 

 and in having the middle tail-feathers like the upper coverts, in- 

 stead of being black. 



11. Picus TORQUATUS, Wils. — Lewis's Woodpecker. 



Picm torquatus, Wils. TIL 31, pi. 20, fig. 3 (1811).— Aud. Biog. V. 176, pi. 416, 



fig. 7, 8. 



This beautiful woodpecker belongs to the Pacific fauna, not hav- 

 ing been observed east of the mountains. It occurs abundantly 

 along the western coast. 



12. Tetrao urophasianus, Bp. — Cock of the Plains, or Prairie 



Cock ; Sage Cock. 



Tetrao urophasianus, Bp. Zool. Journal, III. 214 (1827). — Aud. Biog. IV. 503, 



pi. 37 ; Syn. 205. 



A single specimen of this magnificent bird was shot near the 

 mouth of Bear Biver, on the eastern side of the Lake, May 8th. 

 It is found on the plains skirting the Bocky Mountains, seldom 

 coming down to the Missouri, except far to the north. It is not 

 yet recorded as being found on the coast of California, although 

 abundant along the Columbia Biver. Its flesh is not usually con- 

 sidered edible, from feeding so much upon the artemisia or sage. 



Length 28 inches. 



Extent 38 " 



13. Charadrius vociferus, L. — Killdeer. 



Charadius vociferus, L. 253, 3; — Aud. Biog. IV. 191, pi. 225. 



Common across the continent. 



14. Grus CANADENSIS, Temm. — Brown Crane. 



Ardea canadensis, L. Syst. Nat. 234, 3. 

 Grus canadensis, Aud. Biog. III. 441, pi. 61. 



The brown cranes were found during fall and winter in immense 

 flocks in the marshes along Salt Lake. They presented their 

 usual watchfulness and difficulty of approach. No white ones 



