^°8q^'^] Stephens, Nexv California Birds. 371 



darker ochraceovis on flanks and sides of body; this difference of 

 color is due partly, at least, to the worn condition of plumage of 

 the latter. 



One of the females of C. rolunsoni differs from the other, and 

 from the female of C. phocnicetis^ in having the scarlet vermilion 

 of the crest, under part of wing and tail replaced by ochraceous 

 yellow ; otherwise it is the same. 



The measurements of our pair of C.phccniceus (from Lake Mara- 

 caibo) are: $, wing, 3.45 ; tail, 3.60 ; tarsus, .94; culmen, .73 ; 

 length of crest, 1.63 inches. 9 : wing, 3.33 ; tail, 3.53 ; tarsus, .97 ; 

 culmen, .71 ; length of crest, 1.43 inches. 



The specimens of C. robinso?ii measure: J", wing, 3.26; tail, 

 3.29 ; tarsus, .96 ; culmen, .76 ; length of crest, 1.17 inches. J", 

 wing. 3.20; tail, 3.20; tarsus, .95 ; culmen, .69; crest, 1.13 inches. 

 (^ , wing, 3.20; tail, 3.10; tarsus, .95; culmen, .70; crest, 1.18 

 inches. 5, wing, 3.13; tail, 3.06; tarsus, .91; culmen, .69; 

 crest, I. II inches. 9, wing, 3.20; tail, 3.13; tarsus, .99; cul- 

 men, .73 ; crest, 1.25 inches. 



DESCRIPTIONS OF TWO NEW SUBSPECIES OF CALI- 

 FORNIA BIRDS. 



BY F. STEPHENS. 



Callipepla gambeli deserticola, subspec. nov. Desert 



Partridge. 



Subspecific characters. — Similar to C gavibeli but lighter in color; 

 back olive gra^- inclining toward ash gray; sides chestnut, sharply striped 

 with white ; belly dull white ; flanks and lower tail-coverts lightly streaked 

 with brown ; occiput russet in the male, drab in the female. Types, No. 

 4969, 9 ad., 15 January, 1890, Palm Springs, San Diego Co. (now in 

 Riverside Co.), Cal., alt. 100 ft. ; and No. 493S, 9 ^'^•' ^ January, 1890, 

 Walters, Colorado Desert, Cal., 250 feet below sea level. Both in my 

 collection. 



Habitat. — Desert District, from the western end of the Colorado Desert 

 and the middle of the Mojave Desert east through the Colorado Valley. 



