872 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiv. 
OTOCORIS LONGIROSTRIS SIBIRICA (Swinhoe). 
Olocorys sihirkai^winYiov,, Proc. Zool. Soc. Lond., 1871, p. 390. 
Olocorys albigula auct. (not of Bonaparte). 
Otocorys hrandti Dresser, Birds Europe, IV, 1874, p. 397. — Sharpe, Cat. Birds 
Brit. Mus., XIII, 1890, p. 536. 
Otocorys parvexi Taczahowski, Bull. Soc. Zool. France, I, 1876, p. 161. 
Chars, suhsj). — Similar to Otocoris I. argalea^ but much smaller, the 
upper surface paler and more grayish. 
Measurement {2 males). — Wing, 108-111 (average, 109.5) mm.; tail, 
75-76 (average, 75.5) mm.; exposed culmen, 11 mm.; tarsus, 21-22.5 
(average, 21.8) mm.; middle toe, 12-12.5 (average, 12.3) mm. 
Ti/pe locality. — Pekin, China (winter). 
Geographical distribution. — In summer, Mongolia and southern 
Siberia west of the Amoor River; in winter, south to southeastern 
Russia, Turkestan, Eastern Turkestan and northern China. 
Desa^iption. — Adult male in breeding phnnage. — No. 101981, 
U.S.N.M. ; Kasolinse, Turkestan, 1878. Back, scapulars and rump 
almost uniform pale dull ochraceous buff, the feathers with rather 
darker centers; wings and middle pair of feathers fuscous, edged with 
color of back; rest of tail brownish black, the outer feathers margined 
exteriorly with white; upper tail-coverts pale cinnamon buff"; occiput, 
cervix and bend of wing ecru drab; fore part of crown, horns, lores, 
cheeks and jugulum black; forehead, sujDerciliary stripe, auriculars, 
chin, throat and remainder of lower surface white, the sides washed 
with cinnamon. 
Adult female in hreediytg plumage.— l^o. 100226, U.S.N.M.; Kirghis 
Steppes, Siberia, Februaiy 3, 1880. — Much like the breeding male, 
but back darker and less uniform; occiput and cervix pale buffy with 
scarcely any pinkish tinge, and narrowl}^ streaked with dark brown; 
black of head considerably mixed with grayish, or replaced by 
brownish. 
Adult male in winter plumage. — No. 111660, U.S.N.M.; Katun 
Karagai, Siberia, December, 1881; Dr. Re3^ — Similar to the summer 
male, but darker, decidedl}' more' grayish above; the black areas 
somewhat obscured b}^ grayish. 
The specific name alhigula., so long applied to this horned lark, 
dates from Bonaparte,^ since the Alauda alhigula of Brandt seems 
not to have been previously described. To whate\'(M' the iatter's 
name may have referred, there is now no doubt that the naiue cdhigula 
Bonaparte is to be considered a s3monym of O. penicillata, as already 
shown by Dr. Dubois^ and by Dr. Sharpe,'* as well as by Mr. 
Dresser.* The earliest name for the present race is apparently Oto- 
'Consp. Avium, I, 1850, p. 246. 
2 Bull. Mus. Royal d'Hist. Nat. Belgique, III, 1884, pp. 225, 229. 
*Cat. Birds Brit. Mus., XIII, 1890, p. 536; see also under Otocons peittclllala. 
* Birds Europe, IV, 1874, p. .397. 
