BIRDS ~ BUTEONINAE—ASIURINA NITIDA. 55 
List of specimens. 
§ cE Measurements. 
6 os | A | 
A Z Locality. When collected. | Whence obtained. S Collected by— : a a 
S | a S [ee eae ae 
6852 Ow |pBodera,:Cal_- =.= | February, 1855..| Lieut. Trowbridge.).-..-- T. A. Szabo... --- pobaceeeet acc - | ede 
6883 Q | Los Angeles valley, | en eas eS Lt. R. §. William- |...... Dr. Heermann --|...... ae eens 
California. son. | | | 
8543 Gr eHortillmores NM Aas co nas ne a= Dr. Henry s-ss- =. BegSse5 ts ae et pa |S aee 
QUZ2eeoee. Fort Davis, Texas.| Nov., 1854.---.- | Maj. W. H. Emory.| 2 | Dr. Kennerly eA: 54 less 
5577 | @ | Platte river....--- Sept. 16, 1856.. Lieut. Bryan_-_--- 338 | W.S. Wood se 21.00 | 52.00 |.----- 
4544 Q Little Mo. river, | Oct. 12, 1855 ---, Lieut. Watren= <.-5|sccen-. [eee Seen hee 95100 | 61.25) |eoseee 
| Nebraska. | | 
ASTURINA, Vieill. 
Asturina, VierLot, Analyse, p. 24, (1816.) 
Size.—Smaller than in the preceding two genera. General form compact, and adapted to greater activity of habits and 
swifter flight. Bill rather thick, strong; cere large, extending somewhat into the feathers of the forehead ; wings moderate, 
third and fourth quills longest ; tail rather long ; legs rather long ; claws strong, fully curved. This genus contains a few 
species, all of which are South American. 
ASTURINA NITIDA, Latham. 
Falco nitidus, Laru. Ind. Orn. I, 41. 
Asturina cinerea, Vieiti. Anal., p. 68, (1816.) 
Astur striolatus, Cuy. Reg. An. I, 332. 
Ficures.—Temm. Pl. Col. 87, 294; Vieill. Gal. I, pl. 20. 
Adult.—Upper parts light cinereous ; darker, and sometimes nearly black on the rump; upper tail coverts white ; quills ashy 
brown, with obscure dark bands, and widely edged with white on their inner webs; tail brownish black, with about three 
transverse bands of white. Under parts with numerous narrow transverse bands of cinereous and white, the former predomi- 
nating and darker on the breast ; under tail coverts white ; cere ard legs yellow. 
Young.—Entire upper parts umber brown ; darker on the rump, and much mixed with white on the head ; upper tail coverts 
white ; tail light brown, with about eight bands of brownish black. Under parts white, with longitudinal stripes of umber 
brown ; under wing and tail coverts white ; cere and legs yellow. 
Total length, female, about 18 inches ; wing 10, tail 7} inches. Male smaller. 
Hab.—Northern Mexico and South America. 
This handsome hawk was found in the State of New Leon, one of the most northern provinces 
of Mexico, by Lieutenant D. N. Couch, United States army, and very probably extends its range 
northward into the territory of the United States. It is a well known species of South America. 
List of specimens. 
© 3 Measurements. 
. to zy, 
S e | 
A 2 Locality. When collected. | Whence obtained. | < Collected by— = Ss 
i ci = ts a oo 
3 | 8 2 a | ee pa 
o <2) - FS =| cs = 
4128 | Q ‘| New Leon, Mexico-|_..... 1853.....- TaD eN Couch tol teatle neat. bebe. 17.25 | 34.00 | 10.50 
