158 THE ROYAL SOCIETY OF CANADA 
Aves (Brrps). 
ALLAN, FRANCIS H. 
Warbling song of the Hudsonian Chickadee. 
The Auk, January, 1910, vol. xxvii, No. 1, p. 86. 
AMERICAN Museum JOURNAL, THE (Epb1ToRIAL). 
Stefansson-Anderson Arctic expedition. 
May, 1910, vol. x, No. 5, pp. 133-138. 
Brief references are made to the birds of the district explored which 
‘ineluded territory to the east and west of the Canadian-Alaskan boun- 
dary between Pt. Barrow and Cape Bathurst and south to the Arctic 
cirele. The expense of this expedition was borne, in part, by the 
Geological Survey of Canada. 
Brent, A. C. See TOWNSEND. 
Bisuor, Louis B. 
Two new subspecies of North American birds. 
The Auk, January, 1910, vol. xxvii, No. 1, pp. 59-63. 
The subspecies described as new are Numenius americanus parvus 
(Canadian curlew) and Molothrus ater dwighti (Northern cow-bird) 
both from Crane lake, Saskatchewan. 
Brown, W. J. 
Nesting of the American Osprey. 
The Ottawa Naturalist, November, 1910, vol. xxiv, No. 8, p. 145. 
CHAPMAN, FRANK M. 
Protective coloration in the habitat groups of birds. 
The American Museum Journal, November, 1910, vol. x, No. 7, pp. 
195-198. } 
Includes a note on the White-tailed Ptarmigan from the Canadian 
Rockies with a reproduction of a photograph of a portion of the 
“Arctic-Alpine group’’ showing the bird in summer plumage am d 
natural surroundings. 
CLARK, Austin HoBART. 
The birds collected and observed during the cruise of the United States 
Fisheries Steamer “ Albatross’’ in the north Pacific ocean, and in the 
Bering, Okhotsk, Japan, and Eastern seas, from April to December, 
1906. 
Proceedings of the United States National Museum, 1910, vol. 38, pp. 
25-74. 
Many of the species listed occur on the Pacific coast of Canada. 
Cooke, We.Lts W. 
Distribution and Migration of North American Shore Birds. 
U.S. Department of Agriculture, Bureau of Biological Survey, Bulletin 
No. 35, pp. 1-100, with four plates. 
