192 NORTH AMERICA y BIRDS. 



in the male (sometimes indicated in tlic female also). Jlab. 

 i-lastern Mexico (south to San Luis Poto.si) and lower Eio 

 Grande Valle}- of Texas. 



293<j. C. squamata castanogastris Brewst. 

 Chestnut-bellied Scaled Partridge. 

 b'. Crest lengthened, very distinct from general feathering of crown, very nar- 

 row at the base, all the feathers enclosed between the more or less 

 apprcssed webs of the anterior plume; sexes very different in plumage. 

 (Subgenus Lophortyx Bonaparte.) 

 c'. Crest black; throat uniform black in adult males, and tcrtials without 

 chestnut. 

 d}. Flanks olive-brown or grayish, streaked with white. Adult 7nah' : 

 licWy with black scale-like markings, and a central patch of 

 chestnut; forehead buffy whitish, with black shaft-streaks; oc- 

 ciput olive, or smoky brown. Adidt female: Head without 

 black or white markings, the prevailing color plain smoky 

 grayish or brownish; belly without chestnut patch, and black 

 Bcale-liko markings less distinct. Young: Above finely mottled 

 brownish, marked with whitish mesial streaks, widening at tip, 

 and bordered along each edge with blackish ; throat plain dull 

 whitish; belly dull white, faintly barred with gra^'ish; chest 

 dull grayish, with triangular whitish spots. Doxcny young: 

 Dingy whitish, the upper parts tinged with pale rusty, and 

 irregularl}- mottled, longitudinallj', with deeper brownish; a 

 broad stripe of deep brown from occiput down nape ; car-coverts 

 with an indistinct dusky s]iot ; lower parts plain dull whitish. 

 Length about 9.50, wing 4.35-4.70, tail 4.10-4.70, tarsus 1.20- 

 1.25. Eggs 1.2G X -98, white, buffy white, or pale buff, more or 

 less distinctlj' sprinkled, speckled, spotted, or blotched with 

 some shade of umber-brown. 



e'. Upper parts deep smoky brown, the inner edges of tcrtials 

 deep buffy or ochraceous ; flanks deep olivaceous or smoky 

 lirown. ITab. Coast valleys of California and Oregon. 

 204. C. californica (Shaw). California Partridge, 

 e". Upper parts grayish brown, with inner edges of tcrtials 

 buffy or whitish ; flanks olive-grayish, or grayish brown. 

 Hab. Interior districts of California and weslcrn Oregon, 

 south to Cape St. Lucas. 



294rt. C. californica vallicola Einaw. 

 Valley Partridge, 

 rf'. Flanks rich chestnut, streaked with white. Adult male: Belij'' 

 without scale-like markings, and with a central patch of black; 

 forehead dusky ; occiput rufous. Adult female : Similar to that 

 of C. ealiforniea vallicola, but flanks chestnut, and belly without 

 scale-like markings. Young: Above graj'ish bnnvn, minutely 



