I/O CHECK-LIST OF NORTH AMERICAN BIRDS. 



[B _, C -, R -, C -.] 



Hab. Interior valleys and foot-hills of the Pacific Province, south 

 to Cape St. Lucas. 



295. Callipepla gambeli (Nuttall). 



Gaiubel's Partridge. 



Lophoriyx gambeli " Nuttall," Gamb. Pr. Ac. Nat. Sci. Phila. 



1843, 260. 

 Callipepla gatJibeii G0VI.D, Mon. Odont. 1850, pi. xvii. 



[B 475, C 392, R 4S3, C 576.] 



Hab. Western Texas, New Mexico, Southern Utah, Arizona, Lower 

 Colorado Valley, and southward into Western Mexico. 



Genus CYRTONYX Gould. 



Cyrtonyx Gould, Mon. Odont. 1S50, 14. Type, Ortyx massetia Less. 

 = O. inontcziimcE ViG. 



296. Cyrtonyx montezumse (Vic). 



Massena Partridge. 



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

 Cyrtonyx mojiicsiimcB Stejx. Auk, II. Jan. 1S85, 46. 



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



Hab. Northwestern Texas, New Mexico, Arizona, and Northwest- 

 ern Mexico. 



Subfamily TETRAONIN^. Grouse. 



Genus DENDRAG-APUS Elliot. 



Subgenus DENDRAGAPUS. 



Dendragapjts Elliot, Pr. Ac. Nat. Sci. Phila. 1864, 23. Type, Tetrao 

 obscurus Say. 



297. Dendragapus obscurus (Say). 



Dusky Grouse. 



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



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



