474 Colorado College Publication 



Pike, Z. M. An Account of Expedition to the Sources of 

 the Mississippi, and through the Western Parts of Louis- 

 iana to the Sources of the Arkansaw, Kans., La Platte 

 and Pierre Juan Rivers, performed by the order of the 

 Government of the United States during the years 1805, 

 1806, and 1807, etc., etc. Philadelphia, 1810, 8vo. The 

 portion relating to the attempted ascent of Pike's Peak has 

 allusion to the Pheasant, i. e., Dusky Grouse. 



RiDGWAY, R. On Some New Forms of North American 

 Birds. Amer. Nat. VII, 1873, pp. 603-615. 



Contains description of Junco hyeinalis aikeni from 

 type taken by Aiken in El Paso County. 



RiDGWAYj R. On Buteo harlani (Aud.) and B. cooperi 

 (Cass.), Auk, II, 1885, p. 165. 



Note on a specimen from El Paso County in the 

 Aiken Collection. (This specimen did not come from 

 El Pasn County, nor is the locality from which it did 

 come known. It is not now in the collection.) 



RiDGWAY, R. The Birds of North and Middle America. 

 (Bull. U. S. Nat. Mus., No. 50.) Parts 1, 1901 ; 2, 1902; 

 3, 1904; 4, 1907; 5, 1911. (Incomplete.) 



ScLATER, W. L. Winter Birds of Colorado. Ibis, 1908, pp. 

 443-450. Notes on birds about Colorado Springs. 



ScLATER, W. L. A History of the Birds of Colorado. Lon- 

 don, 1912. With 17 plates and a map. Sq. demy 8vo. 



The only work on Colorado birds giving descriptions, 

 habits, with references to all records and literature. Many 

 El Paso County notes and records. 



SmitHj H. G. Another Scarlet Tanager for Colorado. Auk, 

 XIX, 1903, p. 290. Record of one taken by Ferrill at 

 Palmer Lake. 



Sturgis, Carolyn. The Meadow-Lark's Manual of Melody. 



