Partridges. 
292. Mountain Partridge (Orcortyx pictus). L. 11. 
Ads. Hindhead and nape same color as back; inner 
margins of tertials buff. Notes. Song, an explosive 
whistle ending in a throaty tone; call, a rapidly re- 
peated cuh-cuh-cuh-cuh, and a sharp pzt-pit. 
Range.—Pacific coast from Santa Barbara, California, north to south- 
ern Washington. 
292a. Plumed Partridge (O. p. plumiferus). Hind- 
head, nape, and foreback same color as breast; inner 
margins of tertials whzte. 
Range.—Sierra Nevada (both slopes), east to Panamint Mountains, 
and to Mount Magruder, Nevada; south in the coast ranges from San 
Francisco Bay to Lower California (Campos). (A. O. U.) 
292b. San Pedro Partridge (O. p. confinis). Sim- 
ilar to No. 292a, but upperparts much grayer, the 
back, rump, and upper tail-coverts being gray very 
slightly tinged with olive; bill stouter. (Ridgway. ) 
Range.—San Pedro Mountains, Lower Caiifornia. 
293. Scaled Partridge (Callipepla squamata). L. 
to. Ads. Belly without chestnut patch; breast and 
foreback grayish blue edged with black; back brown- 
ish gray. Notes. A nasal pe-cos’ pe-cos’ (Bailey.) 
Range.—'' Tableland of Mexico, from the Valley of Mexico, north to 
central and western Texas, Santa Fe, New Mexico and southern Ari- 
zona.”’ (A. O. U.) 
293a. Chestnut-bellied Scaled Partridge (C. s. 
castanogastris). Similar to No. 293, but G with chest- 
nut patch on belly; Q with belly much rustier than in 
2 of No. 293. 
Range.—Lower Rio Grande Valley, northwest to Eagle Pass, Texas; 
south into northeastern Mexico. 
294. California Partridge (Lophortyx californica). 
L. 10. Ad. g'._ Above olive-brown; belly patch chest- 
nut. Ad. Y. Plumes shorter; throat whitish streak- 
ed with dusky; no distinct chestnut patch on belly. 
Notes. Song, a pheasant like crow and a crowing, em- 
phatic sit-right-down’ , sit-right-down’ ; calls, a sharp 
pit-pit pit, and a note like that of a young Robin. 
Range.—"‘Coast region of California south to Monterey, introduced 
in Oregon, Washington, and British Columbia.” (A. O. U.) 
294a. Valley Partridge (L. c. vallicola). Similar 
to No..294, but much grayer above; sometimes plain 
bluish gray without brown tinge. 
Range.—'‘From.western and southern Oregon, except near the 
coast, south through western Nevada and the interior of California to 
Cape St. Lucas.’’ (Bendire.) 
295. Gambel Partridge (Lophortyx gambelit). 
L. 10. Ad. @. Throat, forehead and belly patch 
black; hindhead chestnut. Ad. 9. Similar, but throat 
grayish buff; forehead gray; no black on belly; hind- 
head brownish; crestsmaller. Notes. Song, yuk-kae-ja- 
Range.—‘' Western Texas, New Mexico, Arizona, southern Utah, 
southern Nevada, southern California in the Colorado Valley and 
south into northwestern Mexico.”” (A. O. U.) . 
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