ON SOME NEW FORMS OF AMERICAN BIRDS. 613 
é 
Ru 
des to P 
ump pags Hab. Panama R. R.; south along 
An 
a. No external ita wing pate 
oli 
PERUVIANA. * 
ive- green. a Brazil and Guiana CHLOROPYGA. Î 
The preceding table is based upon a critical examination of 
many hundred specimens belonging to the Smithsonian’ Institu- 
tion. 
Synopsis of the species of 
JUNCO Scrater. 
; By ROBT. RIDGWAY. 
COMMON CHARACTERS. Prevailing color ire or grayish, the abdomen cris- 
sum and agi al tail feathers white (J. hyemali 
Both mandibles light flesh color lor of ia] jugulum, deep ash or 
se Sane abruptly defined against the pure w sie of the abdomen. 
- Dark color of the jugulum with its posterior outline convex; sides 
pinkiah. 
1. Back and wings more or less tinged with dark rusty. ab. Pa- 
cific province of North America, from Sitka southward; strag- 
pi apps in aisis and winter to the Rocky Mountains, and 
en to Kar var. OREGONUS. Í 
b. 0, Dark herde of ite gna es with its poster’ outline concave; sides 
y 
§Back and wings without any rusty ti 
2. Wing without any white; wkd uae tail feathers, — marked 
with white. Culmen, -40; depth of bill, -25; wing, 3-10; tail, 2-80. 
paging: of North America; straggling, in autumn 
Rocky Mountains (Arizona, CoUES; Utah, 
tee: AIKEN var. HYEMALIS.§ 
3. Wing with two white bands across + ends of VAERET and some- 
cross ends of secondaries; ve outer tail 
feathers marked with white; ash much lighter. Culmen, -50; dept 
of bill, -30; pe ie ares . Hab. Alpine regions of Colorado 
Mountains (El O., 
var. AIKENI. || 
ona; capilari na ites ag 
al hacky 4 rane hea of the U.S ar. CANICEPS.T 
Ash of the ri fading 
ack, scapulars, wing-coverts nia tarüials strongly washed with 
wg 
5. Throat and jugulum pale ash; back bright rufous. ores 3°10; 
tail, 3-00; rere depth of bill, 25; tarsus, *80. able- 
lands of Mexic ar. C 
6. Throat and pie Beep ash; hák doll, « or olivaceous, See 
— —— BUS Ses th of bill, “34; tar: 
Q f Gu ae 
‘ie 2o eee Hg 
*C. Peruviana Cab, ow 1865, 413? Perhaps arre : ae 
tc. fe pop rea Da C. Brasil = 
: irds N. Am., 1858, 466. “Fringiité Oregona Townsend. J. kn . S., 1837, 188.) ‘ 
N Birds N. Am., 1808 ; (Pring iiia hyemalis Linn., S. N. i., 1758, 183.) 
Junco hyemalis, var Aiko Ridgway, MSS. 
Birds N. . j8. S thirnihue ORN TEDA Woodh., P. A.N. S., 1852, 202). 
s N. Am., 1858, 465. (Fringilla cinerea Swains., Syn. Mex. B., i, 1827. 
ttJunco alticola Salvin, P. Z. S., May, 1863, p. 189. 
via ALTICOLA. tt 
