LITERATURE CITED 1775 



Snyder, D^na P., and Cassel, J. Frank 



1951. A late summer nest of the red crossbill in Colorado. Wilson Bull., 

 vol. 63, pp. 177-180. 

 Snyder, Dana Paul 



1950. Bird communities in the coniferous forest biome. Condor, vol. 52, 



pp. 17-27. 

 Snyder, Dorothy E. 



1951. Nests of the barn owl, Tyto a. pratincola, and the red crossbill, Loxia 



curvirostra, Essex county, Massachusetts. Auk, vol. 68, pp. 377- 

 378. 

 1954. A nesting study of red crossbills. Wilson Bull., vol. 66, pp. 32-37. 

 Snyder, L. H., and Brimley, C. S. 



1928. The dickcissel in North Carolina. Auk, vol. 45, p. 508. 

 Snyder, Lester Lynne 



1928a. On the bronzed grackle. Canadian Field-Nat., vol. 42, p. 44. 

 1928b. In Dymond, Snyder, and Logler, A faunal investigation of the 

 Lake Nipigon region, Ontario. Trans. Roy. Canadian Inst., 

 vol. 16, pp. 233-291. 



1939. A plan of Ontario subdivisions and their names for naturalists. 



Canadian Field-Nat., vol. 53, pp. 22-24. 

 1951. Ontario birds. 

 1957a. Changes in the avifauna of Ontario. In Urquhart (ed.), Changes in 



the fauna of Ontario, pp. 26-42. 

 1957b. Arctic birds of Canada. 

 Soper, Joseph Dewey 



1928. A faunal investigation of southern Baffin Island (birds). Canada 



Dep. Mines, Biol. Bull., ser. No. 53, pp. 76-116. 



1940. Local distribution of eastern Canadian Arctic birds. Auk, vol. 57, 



pp. 13-21. 



1946. Ornithological results of the Baffin Island expeditions of 1928- 



1929 and 1930-1931, together with more recent records. Auk, 

 vol. 63, pp. 1-24, 223-239, 418-427. 

 1949. Birds observed in the Grande Prairie — Peace River region of north- 

 western Alberta, Canada. Auk, vol. 66, pp. 233-257. 

 Sowerby, Arthur de Carle 



1923. The naturalist in Manchuria, birds, vol. 3, pp. 27-28. 

 Speirs, Doris Huestis 



1949. Evening grosbeaks at Be-Wa-Bic. Jack-Pine Warbler, vol. 27, 



p. 128. 



1950. Some notes on the roosting habits of the evening grosbeak. Wood 



Duck, vol. 4, No. 2, pp. 1-4. 

 Speirs, Doris Huestis, and Speirs, John Murray 



1947. Birds of the vicinity of North Bay, Ontario. Canadian Field-Nat., 



vol. 61, pp. 23-38. 

 Speirs, John Murray 



1939. Fluctuations in numbers of birds in the Toronto region. Auk, vol. 



56, pp. 411-419. 

 1950. A March day at Cobble Hill. Wood Duck, vol. 3. 

 1953. Key dates for birds of the Toronto region 1887-1937, pp. 1-7 (mimeo.) . 

 Speirs, John Murray, and Andoff, R. 



1958. Nest attentivity of Lincoln's sparrow determined using thermistor 

 bridge. Canadian Journ. Zool., vol. 36, pp. 843-848. 



