no CHECK-LIST OF NORTH AMERICAN BIRDS. 



296. Cyrtonyx montezumce (Vig.). 



Massena Partridge. - 



Ortyx montezumce Vigors, Zool. Journ. V. 1830, 275. 

 Cyrtonyx montezumce Stejn. Auk, II. Jan. 1885, 46. 

 [B 477, C 394, R 485, C 578.] 

 Geog. Dist. — Tablelands of Mexico, from the city of Mexico 

 north to western Texas, New Mexico, and Arizona. 



Subfamily TETRAONIN-ffi. Grouse. 



Genus DENDRAGAPUS Elliot. 



Subgenus DENDRAGAPUS. 



Dendragaptis Elliot, Pr. Ac. Nat. Sci. Phila. 1864, 23. Type, 

 Tetrao obscurus Say. 



297. Dendragapus obscurus (Say). 



Dusky Grouse. 



leirao obscurus Say, Long's Exp. II. 1823, 14. 

 Dendragapus obscurus Elliot, Pr. Ac. Nat. Sci. Phila. 1864, 23. 

 [B 459. C 381, R 471, C 557.] 

 Geog. Dist. — Rocky Mountains, from central Montana and 

 southeastern Idaho to New Mexico and Arizona, eastward to the 

 Black Hills, South Dakota, and westward to East Humboldt Moun- 

 tains, Nevada. 



297 a. Dendragapus obscurus fuliginosus Ridgw. 



Sooty Grouse. 



Canace obscura var. fuUginosa Ridgw. Bull. Essex Inst. V. Dec. 



1873, 199. 

 Detidragapus obscurus fuliginosus Ridgw. Pr. U. S. Nat. Mus. 



vm. 1885, 355. 



[B— , C38i^, R47i^, C559.] 

 Geog. Dist. — Northwest coast mountains, from California to 

 Sitka, east to Nevada, western Idaho, and portions of British 

 Columbia. 



