l68 CHECK-LIST OF NORTH AMERICAN BIRDS. 



[B 472, 0389/^, R 480/^, C 573.] 

 Hab. Southern and Western Texas, north to Western Kansas. 



j,j 9 -290. Colimis graysoni (Lawr.). 



Grayson's Bob-white. 



Ortyx grays 0711 Lawr. Ann. Lye N. Y. VII L May, 1867, 476. 

 Colimis graysoni ^TE.]yi. Auk, II. Jan. 1885, 45. 



[B _ C - R - C -.] 



Hab. Mexico, north into Southern Arizona. 



291. Colinus ridgwayi Brewst. 



Masked Bob-white. 



Colinus ridgwayi Bkewst. Auk, II. April, 1885, 199. 

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

 Hab. Mexican border of Arizona and southward. 



Genus OREORTYX Baird. 

 Oreortyx Baird, B. N. Am. 1858, 642. Type, Ortyx picta Dougl. 



292. Oreortyx pictus (Dougl.). 



Mountain Partridge. 



Ortyx picta DoucL. Trans. Linn. See. XVI. 1829, 143. 

 Oreortyx pictus Baird, B. N. Am. 1858, 642. 



[B 473, C 390, R 481, C 574.] 



Hab. Washington Territory, Oregon, and northern coast region of 

 California. 



292 tf. Oreortyx pictus plumiferus (Gould). 



Plumed Partridge. 



Ortyx plum if era Gould, P. Z. S. 1837, 42. 



Oreortyx pictus \:ir. plumiferus Ridgw. in Hist. N. Am. B. II L 1874, 

 476. 



[B — , C — , R 481 a, C — .] 



Hae. Sierra Nevada, nd southern coast ranges of California to 

 Cape St. Lucas. 



H.CI ' ^f'^'^ 



