60 REVIEW OF AMERICAN BIRDS. [PART I. 
and throat, from Bolivia (C. lewcocephalus, Tschudi) ; and one dusky, 
with white head, back, and under parts, from Ecuador and New 
Grenada (C. leuconotus, Scl.). Of these, specimens of leucocephalus 
are in the Smithsonian collection, from Bolivia; and Mr. Lawrence 
possesses C. leucanotus, from Ecuador. 
Cinclus mexicanus. 
Cinclus pallasii, Bon. Zool. Jour. II, 1827, 52 (not the Asiatic species). 
Cinclus mexicanus, Sw. Phil. Mag. 1827, 368.—Scuarer, Catal. 1861, 10. 
—Hydrobata mexicana, Bairp, Birds N. Am. 1858, 229.—CoopsEr 
& Suckuey, Rep. P. R. R. XII, m, 1859, 175 (mest). 
Cinclus americanus, Ricu. F. B. A. II, 1831, 273. 
Cinclus unicolor, Bon.; C. mortoni, Towns.; C. townsendii, “ Aun.” 
Towns. 
Figures: Bonaparte, Am. Orn. II, 1828, pl. xvi, fig. 1.—Aud. Orn. 
Biog. pl. 370, 435.—Is. Birds Amer, II, pl. 137. 
Hab. Found through the mountainous region of the central part of North 
America, from Fort Halkett south into Mexico. None received from the coast 
region of California. 
A Mexican specimen, from Xalapa, representing the species as 
established by Swainson, is rather darker below than skins from the 
United States, and the feathers exhibit none of those whitish edgings 
so common (but not universal) in the latter. The smoky brown of 
the head and neck is sharply defined against the plumbeous of the 
back, but below shades off insensibly in a wash over the breast. 
The bill is black; the legs dark brown. 
In a young bird from Chiloweyuck Depot, the chin and throat are 
of a dirty white, and the head is plumbeous without any of the 
smoky brown tinge. 
Smith- |Collec-| Sex 
sonian| tor’s | and Locality. i era Received from Collected by 
No. No. | Age. : 
31,119 | 800 .. | Fort Halkett, B. A. | Dec. 10, 62 J. Lockhart. Mr. Brass. 
31,120 gul s ‘ec “ic cc “ 
11,419 als .. | Frazer’s Riv. B. Col.| Mar. 1838. A. Campbell. Dr. Kennerly. 
11,806 215 ls Chiloweyuck. okt #6 ae 
19,197 | 227 .. | Deer Creek, Neb. Jan. 4, ’60. Capt. Raynolds. Dr. Hayden. 
11,467 as .. | Fort Mass. N. M. 50 | Capi. Bowmen? | guesses 
12th edition as the starting point, instead of the 10th, though without any 
apparent good reason. 
As Meehring is not a Linnzan binomialist, only adopting the generic or uni- 
nomial idea, and not the binomial, I do not consider his names as tenable, 
and consequently do not find that his use of the name Cinclus, in 1752, for 
another genus, is a pre-occupation, as rigidly understood. 
