418 
U. S. P. E. R. EXP. AND SURVEYS ZOOLOGY GENERAL REPORT. 
List of specimens. 
Doiia Ana, N. M. . 
Fort Thorn, N. M, 
Frontera, Mex.... 
Camp 118, N. M. . 
Monterey, Mex 
lo 
Los Angeles, Cal. . 
Sacramento, Cal. . 
•Santa Clara, Cal.. . 
do 
Petaluma, Cal 
When co 
lected. 
Feb. 10, 1854 
April—, 1853 
Nov. — , 1855 
Whence obtained. Orig. 
No. 
Capt. J. 
Lt. Williamson.. 
E. Samuels.. .. 
do 
J. X. de Vesey. 
1C3 
Dr. T. C. Henry 
Maj. Emory 
Lieut. Whipple. . j 86 
Lieut. Couch 186 
icy 
C Wright... 
Dr. Kennerli 
Dr. Ilcermau 
Length. I Stretch 
of wings. 
3.00 Bill light br'n; eyes dark br'iu 
feet brown 
.50 I Eyes gray (?) 
.00 I Eyes brown; bill and feet light 
CHRYSOMITRIS, Bole. 
Chrysomitris, Boie, Ibis, 1828, 322. Type Fringilla spinus, Linn. 
Jlstragalinus, Cab. Mas. Hein. 1851, 159. Type Fringilla tristis, Linn. 
Hypacanlhus, Cabanis, Mus. Hein. 1851, 161. Type Carduelis spinoides, 
Ch. — Bill rather acutely conic, the tip not very sharp ; the culmen slightly convex at the tip ; the commissure gently curved. 
Nostrils concealed. Obsolete ridges on the upper mandible. Tarsi shorter than the middle toe ; outer toe rather the longer, 
reaching to the base of the middle one. Claw of hind toe shorter than the digital portion. Wings and tail as in Jlegiothus. 
The colors are generally yellow, with black on the crown, throat, back, wings, and tail, varied sometimes with white. 
This genus differs from Aegiothus in a less acute and more curved bill, a much less develop- 
ment of the bristly feathers at the base of the bill, the claw of hind toe shorter than its digital 
portion, the claws shorter and less curved and attenuated, and the outer lateral toes not extending 
beyond the base of the middle claw. 
The species exhibit many differences among themselves, especially in the size and shape of 
the bill, which have been made the basis of generic distinctions. 
The North American species of Chrysomitris are all readily distinguishable from each other. 
Setting aside the Oh. pinus, in which all the feathers have brown centres, those of the head and 
crown included, we find the crown in all is black. They may, however, be first arranged into 
those with white bands or edgings on the wings, and those with yellow. 
Top of head more or less black. 
A. Chrysomitris — Bill very large. Entire bases of tail feathers and of quills yellow. 
Head all round black. Edges of greater wing coverts and of tertials yellow. . C. magellanicus. 
Head all round black. Wing coverts and tertials black C. notatus. 
Crown and throat black G. stanleyi. 
Crown alone black C. yarrelli. 
