Bibliography 551 



74 Trlppe, in Elliott Coues' Birds of the North-west (see Coues, 74). 

 00 Warren, E. R. Photographing Ptarmigan. Bird-Lore, n., 



pp. 169-174, with 6 photographs. 

 04 Warren, E. R. A Sandhill Crane's Nest. Condor, vi., 1904, 



p. 39, with photograph. 



04 Warren, E. R. Homed Larks in Colorado Springs, Colorado. 



Bird-Lore, vi., 1904, p. 6, with 4 photographs. 



05 Warren, E. R. Cassin's Sparrow in Colorado. Auk, xxn., 



1905, p. 417. 



06 Warren, E. R. A Collecting Trip to South-eastern Colorado. 



Condor, viii., 1906, pp. 18-24, and 130. List of birds collected, 

 including Contopus virens, new to the State. 



07 Warren, E. R. Photographing Magpies. Condor, ix., 1907, 



pp. 5-9. Reproduction of photographs of nests and young 

 birds. 

 07 Warren, E. R. An Interesting Occurrence of the Canyon-Wren. 

 Condor, ix., 1907, p. 111. Example taken near Cheyenne 

 Wells, Cheyenne co., Colorado, on November 23rd, 1906. 



07 Warren, E. R. A Humming-bird that Wanted Light. Bird- 



Lore, IX., 1907, p. 81. Note on a Broad-tailed Himaming-bird 

 nesting on an electric light standard on a porch in Colorado 

 Springs. 



08 Warren, E. R. North-western Colorado Bird Notes. Condor, 



X., 1908, pp. 18-26. Notes on birds observed on a journey 

 through North-west Colorado, chiefly in Larimer and Routt 

 COS., with a map of the route and two photographs of the nest 

 of a House-Wren. 



09 Warren, E. R. Notes on the Birds of South-western Montrose 



CO., Colorado. Condor, xi., 1909, pp. 11-17 (correction in 

 Condor, xii., p. 79). 



09 Warren, E. R. Concerning Thryomanes bewicki cryptua in Colo- 



rado. Auk, XXVI., 1909, p. 311. 

 09b Warren, E. R. Some Interesting Colorado Records. Condor, 

 XI., 1909, p. 33 : i.e. Nyctanassa violacea, Dolichonyx oryzivorue 

 and Zonotrichia coronata, at Salida. 



10 Warren, E. R. Some Central Colorado Bird Notes. Condor, 



XII., 1910, pp. 23-39. Notes on birds met with dvu-ing a col- 

 lecting trip, chiefly in the San Luis Valley, with map of route 

 and photograph of a Long-eared Owl. 



10 Warren, E. R. Bird Notes from Salida, Chaffee co., Colorado. 

 Compiled from memoranda of John W. Frey. Auk, xxvn., 

 1910, pp. 142-151. 



87 Woodbury, A. H. Ring-billed Gull at San Luis Lakes. Om. 

 and Ool., xii., 1887, p. 116. 



