REVIEW OF THE HORNED LARKS— OBERHOLSER. 871 
which it seems most closely to resemble, it differs in being much paler, 
more gra3'ish above; the light buffy markings on head, back, rump 
and wings are broader and more conspicuous; the breast is much less 
yellowish, its dark spots smaller; the abdomen is almost pure white, 
and the throat has only a faint wash of yellow. 
The type of perissa is larger, darker on the cervix, and somewhat 
more reddish on the back than a similar specimen from Del^ring 
(Rupshu), Ladak, but these differences are probably not more than 
individual. 
OTOCORIS LONGIROSTRIS ARGALEA, new subspecies. 
Chars, suhsp. — Resembling Otocoris I. per ism, but very much paler 
and more cinnamomeous above. 
Measuremtmts {one male). — Wing, 12i mm.; tail, 8.5 mm.; exposed 
culmen, 12 mm.; tarsus, 23 mm.; middle toe, 12 mm. 
Tf/pe locality. — Suget Pass, Kuen Lun Mountains. Chinese (Eastern) 
Turkestan. 
Geographical distribution. — Southwestern portion of Eastern Turke- 
stan. 
Description. — AdAiltmalein hreeding plumage. — Type, No. 150218, 
U.S.N.M. ; Suget Pass, Kuen Lun mountains, Eastern Turkestan, July 
28, 1893; Dr. W. L. Abbott. Upper parts pale buffy fawn color, the 
rump streaked with dark brown; occiput, cervix, bend of wing and 
upper tail-coverts pale pinkish vinaceous, the hind part of crown whit- 
ish; wings and middle pair of tail-feathers fuscous, edged with color 
of back; rest of tail black, the outer feathers margined exteriorly with 
white; fore part of crown, horns, lores, cheeks and jugulum black; 
forehead, superciliary stripe, auriculars, chin, throat and remainder 
of lower parts white, the sides and flanks tinged Avith cinnamon. 
A single adult breeding male from Suget Pass, in the Kuen Lun 
Mountains, Eastern Turkestan, differs so materially from the other 
forms of this species here recognized as to render almost certain the 
conviction that it represents an undescribed subspecies, which proba- 
bly inhabits at least the southwest-portion of the arid plateau of East- 
ern Turkestan. In color it most closely approaches sihirica^ being, 
however, considerably darker and less uniform above, the cervix and 
back more cinnamouieous. It is, moreover, very much larger. Oto- 
cm'is I. argalea is therefore a very pale edition of jjerissa^ with the 
pinkish and rufescent areas of the latter much tinged with cinnamo- 
meous. From longirostris it may be distinguished at sight by its very 
much lighter colored, more uniform upper surface, as well as by its 
inferior size. From elwesi it differs in larger size and paler upper 
surface. 
