NO. 1271. REVIEW OF THE HORNED LARKS— OBERHOLSER. 805 
of the Bioloofical Survey, and to the authorities having these in charije 
the writer would express his obligations. He is furthermore indebted 
to the authorities of the American Museum of Natural History and 
the Academy of Natural Sciences of Philadelphia, who, through 
Dr. J. A. Alien and Mr. Witmer Stone, respectively, have made 
})ossible the examination of much valuable material. Mr. Robert 
Ridgway and Dr. Charles ^^^ Richmond have been particularly cour- 
teous and helpful throughout the entire time covered ))y this paper's 
preparation; while the following other gentlemen the writer wishes to 
thank for their kindness in loaning specimens: Mr. William Brewster, 
Dr. Louis H. Bi.shop, and Dr. Jonathan D wight, jr. 
Genus OTOCORIS Bonaparte. 
EremopJiihi Boie, I.sis, 1S28, p. 322 (not EremnpliRns Hnnilmldt, 1811). 
Pldleretnoa Bkeiim, Ilandb. Vug. Deutschl., 1831, p. 312 (not P/)/7f'ce»iH.s Latreillo, 
1809). 
Brachonyx Lesson, Compl. de Bnffon, VIII, 1837, p. 126 (part,' not of Schonlien, 
1826). 
Otocoris BoN.\PARTE, Nnovi Ann. Sei. Nat. Boiogna, II, 1838, ]). 407 (type, Alaiida 
cornula Wilson = Olocorh (tipestris (Linn;ens). 
I'liilammns Gray, List Genera Birds, 1840, ]>. 47. 
Otocornis Hvppfaa,, Syst. Uebers. Vog. Nord-Ost-Afr., 1845, p. 78. 
Olocorys Cabaxis, Mus. Hein., I, 1851, p. 121. 
Olocoryx Lichtenstein, Nomencl. Av. Mus. Berol., 1854, p. 38. 
Chars, yen. — Bill short, stout, somewhat conoid, shorter than middle 
toe with claw; nostrils circular, completely covered by dense tufts of 
antrorse feathers; primaries apparently but nine, there being no visil)le 
spurious tenth (outer) primary; inner secondaries somewhat lengthened; 
tail moderate, nearly square; head not crested but furnished on each 
side with a curious, narrow, elongated feather tuft, analogous to those 
of some owls; feet typically alaudine; coloration mixed l)rown, rufous, 
cinnamon, pinkish, yellow, white, and black the jugulum always black. 
Geographical range. — Nearly all of North America and Mexico; 
United States of Coloml)ia (Bogota); almost the whole of Europe and 
Asia; northern Africa; Cafl'raria. 
ANALYTICAL KEY TO THE SPECIES AND SUBSPECIES OF OTOCORIS, BASED ON ADULT MALES 
IN BREEDING PLUMAGE. 
I. Chin and upper throat black hrrJt'pscliI (p. 879). 
II. Chin an<l ui)per throat not I)lack. 
1. Black of jugulum not separated from tliat of ear-coverts. 
A. Wing averaging under 115 mm bicornis (p. 878). 
B. Wing averaging over 115 mm. 
a. Upper parts more grayish. 
li. Lighter above peniclllata (p. 874). 
b\ Darker above balcanica (p. 876). 
' Lesson's genus included both Brachonyx of Swainson and Pliileremos Brehm, as is 
shown by his synonymy and the species he treats. 
