EGGS OF NORTU AMERICAN BIRDS. 49 



-{- 1.90 to 1.45 -f- 1.95. Breeds in the Rocky Mountains, from 

 Central Montana to New Mexico and Arizona. 



297«. Sooty -Grouse, Dendragapns obscurus fuliginosus. 

 Eijgs, similar to those of No. 297. Breeds in the northwest 

 coast mountains, from California to Sitka. 



297Z>. Richardson's Grouse, Dendragapus ohscurus rich- 

 ardsonii. Eggs, similar to those of No, 297 in form and color, 

 but are smaller; 1.35 -f- 1.72 to 1.36 -|- 1.75. Breeds in the 

 Rocky Mountains, from Central Montana, northward, into 

 British America. 



298. Canada Grouse, Dendragapus canadensis. Eggs, 8 

 to 10, oblong oval, deep buff, spotted and sprinkled with brown 

 of varying shades; 1.20 -f- 1-68 to 1.22 -f- 1.75. Breeds in 

 British America east of the Rocky Mountains, from Alaska, 

 southward, to Northern Michigan, Northern New York, and 

 Northern New England, in May. 



299. Franklin's Grouse, Dendragapus franklinii. Eggs, 

 indistinguishable from those of No. 298. Breeds in the North- 

 ern Rocky Mountains, and to the Pacific coast, but generally 

 north of the United States. 



300. Ruffed Grouse, Bonasa umbellus. (Type, Plate VI.) 

 Eggs, 8 to 12, rather oval, creamy or buff, usually plain, but 

 occasionally spotted with reddish ; 1.08 -j- 1.45 to 1.20 -|- 1.65. 

 Breeds throughout the Eastern United States, southward to 

 Noith Carolina, Georgia, Mississippi, and Arkansas. 



300a. Canadian Ruffed Grouse, Bonasa umbellus togata. 

 Eggs, not to be distinguished from those of No. 300. Breeds 

 in tlie densely timbered portion of Northern Maine and the 

 Bi-itish Provinces, westward to Eastern Oregon and Washing- 

 ton Territory. 



3006. Gray Ruffed Grouse, Bonasa umhelhis umbelloides. 

 Eggs, indistinguishable from those of No. 300. Breeds in the 

 Rocky Mountain region of the United States and British 

 America, northward to Alaska. 



300c. Oregon Ruffed Grouse, Bonasa umbellus sabini. 

 Eggs, indistinguishable from those of No. 300. Breeds in the 



