854 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiv. 
OTOCORIS ALPESTRIS OAXACiE Nelson. 
Otocoris alpestris pallida Dwight, Auk, YII, April, 1890, p. 154-155 (i)art) . 
Otocoris alpedrh oaxanv Nelson, Avik, XIV, Jan., 1897, p. 54. 
Chars, suhsj). — Similar to Otoeorh a. mihea., but rather smaller, the 
nape and bend of wing somewhat pinkish, the back less reddish. 
Measurements {10 males). — Wing, 94.5-99 (average, 96.8) mm.; tail, 
58-66 (average, 61.8) mm.; exposed eulmen, 11-12 (average, 11.5) 
mm.; tarsus, 21-23.5 (average, 21.9) mm.; middle toe, 10.5-13 (aver- 
age, 11.9) mm. 
Ty2>e local! fy. — San Mateo del Mar, Oaxaca, Mexico. 
Geofirapliieal d!strihi(twn. — Southern Oaxaca. Mexico. Resident. 
Description. — Adult male in Irreediiui ])lumag<'. — Type, No. 145003, 
U.S.N.M., Biological Survey collection; San Mateo del Mar, Oaxaca, 
Mexico, May 15, 1895; E. W. Nelson and E. A. Goldman. Back 
dull rufous brown, streaked with darker; occiput, cervix, bend of 
wing and upper tail-coverts deep cinnamon rufous, with a decided 
pinkish tinge, this color gradually merging with the brown of the 
l)ack, leaving no line of demarcation; wings and two middle tail- 
feathers fuscous, margined with bufly and cinnamon; rest of tail 
brownish black, the two outer feathers edged with butfy; forepart of 
crown, horns, lores, cheeks and jugulum black; forehead, super- 
ciliary stripe, auricular region, chin and throat yellow, brightest on 
the last mentioned; sides of body pinkish cinnamon; rest of under 
surface dull white. 
Adxdt female in Irreeding plumage. — No. 145001, LT.S.N.M., Bio- 
logical Survey collection; San Mateo del Mar, Oaxaca, Mexico, 
May 14, 1895; E. W. Nelson and PI A. Goldman. Similar to the 
male, but differs in the less rufescent, less imiform back; in lack of 
black on crown, this being replaced l)y deep ochraceous streaked with 
blackish; in having the occiput and nape buft'y ochraceous, streaked 
with dark brown, the bend of the wing less extensively cinnamon 
rufous, and the ))lack of the sides of head i-eplaced by bufty and 
brownish. 
Young in frst j)li'iii^ige. — No. 145004, U.S.N. M., Biological Survey 
collection; San Mateo del Mar, Oaxaca, Mexico, May 16, 1895; 
¥j. W. Nelson and E. A. Goldman. Above deep cinnamon, each 
feather with a sul)terminal spot of sepia and a terminal one of buflfy 
or ochraceous, these markings small on the head, but large on the lower 
back, where the terminal ])uffy ones become broad edgings; tail much 
as in the adult; wings fuscous, edged a\ ith buff', cinnamon and ochrace- 
ous; sides of head mixed buffy and brownish; breast and sides l>uff'y, 
finely spotted with dusky; remainder of lower surface dull Inifl'y white. 
In the color of the upper parts this form is much like ruljea^ but 
the cervix, upper tail-coverts and bend of wing are darker and more 
pinkish, the back less rufescent; the measurements indicate a smaller 
