NO. 1271. B±:VJEW OF THE HORNED LARKS— OBERHOLSER. 829 
OTOCORIS ALPESTRIS DIAPHORA, new subspecies. 
Chars, suhftj). — Similar to Otocorlsa. j^raticola., but smaller, the back 
le.s,s blackish, more ochraceous. 
JA'(istfre//ients (7 tiudcs). — Wing-, 96.5-103 (average, 90.4) mm.; tail, 
tU.5-70.5 (average, 67.5) mm.; exposed culmen, 11-12 (average, 11.3) 
mm.; tarsus, 21-22.5 (average, 21.7) mm.; uiiddle toe, 11-12 (average, 
11.1) nun. 
Type locality. — Mi(iuihuana, Tamaulipas, Mexico. 
Geoc/rajjJiical d'tstrihutlon. — In summer, southern Tamaulipas, Mex- 
ico, south to Hidalgo; in winter (casually?) to Oaxaca. 
Descrl2)tio7i. — Type, adult male in breeding plumage, No. 158830, 
U.S.N.M., Biological Survey Collection; Miquihuana. Tamaulipas, 
Mexico, June 8, 1898; E. W. Nelson and E. A. Goldman. Back, 
rump and wings dusky brown, all the feathers margined with paler, 
the bend of the wing dark vinaceous cinnamon; occiput, cervix and 
upper tail-coverts dull pinkish vinaceous with a slight cinnamon tinge, 
the longest tail -coverts brownish; tail brownish black, excepting the 
middle feathers, which are rather light brown, the outermost pair of 
rectriccs distally margined on exterior webs with dull white; forehead, 
superciliary stripe and auriculars white; crown, ''horns," lores and 
cheeks black; sides of neck and breast like the cervix; thighs and 
.streaks on sides and Hanks pale brownish; chin and throat deep prim- 
ro.se yellow; jugular crescent black; remainder of lower parts white. 
Adnlt fi'Dtale in hreeding pluinage. — No. 158828, U.S.N.M., Bio- 
logical Survey Collection; Miquihuana, Tamaulipas, Mexico, June 9, 
1898; E. W. Nelson and E. A. Goldman. Upper surface dusky 
brown, more blackish on the back; the feathers all edged with ])uft'y, 
this deepest on nape and upper tail-coverts, where it occupies the 
greater portion of the feathers; tail ))rownish black, the middle pair 
of feathers dusky brown, the terminal two-thirds of outer webs of 
outermost pair margined with white; wings dusky brown, edged with 
paler, the lesser and median coverts pale cinnamon; superciliary 
stripe dull white; auriculars and su))ocular region brownish gray; 
sides of neck and breast pinkish bull, this color also tinging the sides 
and flanks, which are slightly streaked with dusky; chin and throat 
j^rimrose yellow; jugular crescent black, though smaller than in the 
male; rest of the under surface dull white. 
Adult nude in unnter lylmaage. — No. 144955, U.S.N.M., Biological 
Survey Collection; Tamazulapam, Oaxaca, Mexico, November 14, 1894; 
E. W. Nelson and E. A. Goldman. Like the breeding plumage, but the 
colors above softer and more blended, the nape more pinkish, though 
this color is almost entirely obscured by the brownish edgings of the 
feathers: bend of wing and upper tail-cov^erts more pinkish; breast 
somewhat streaked with dusky; forehead and superciliary primrose 
