PALLAS’ DIPPER. 345 
formed an exception to the general law, as he supposed. We 
have no doubt that this circumstance is characteristic of the 
species in its wild state. | 
The young strongly resemble the female ; the drab colour 
is, however, much less pure and glossy, being somewhat inter- 
mixed with dusky olive, owing to the centre of the feathers 
being of the latter hue. Consequently, during the progress 
from youth to adolescence, and even during the two periodical 
changes, the plumage of this bird is more or less intermixed 
with drab, blue, and white, according to the stage of the moult- 
ing process, some being beautifully and regularly spotted with 
large masses of those colours symmetrically disposed. In one 
of these males, but little advanced in its changes, we readily 
recognise the Hmberiza cerulea of authors, Azwroux of Buffon, 
&e.; and in another, which has made further progress towards 
the perfect state, the shoulders only retaining the ferruginous 
tinge, we can trace the Hmberiza cyanella of Sparmann. 
PALLAS DIPPER. (Cinclus Pallasii.) 
PLATE XVI.—Fie. 1. 
Cinclus Pallasii, Temm. Man. Orn. i. p. 177.—Nob. Suppl. Gen. Am. Birds, sp. 
94, bis, in Zool. Journ. London, iv. p. 4.—Ld. in Ann. Lyc. New Vork, ii. 
p. 4388.—Cinclus Mexicanus, Swainson, Syn. Birds of Mexico, sp. 27, in 
Phil. Mag. New Series, i. p. 368.— Collection of Mr Leadbeater, in London. 
CINCLUS AMERICA NUS.—RICHARDSON AND SWAINSON.* 
Cinclus Americanus, Worth. Zool. ii. p. 173. 
Tue recent discovery of the genus Cinclus in America, furnishes 
an interesting fact in the‘history of the geographical distribu- 
* The Prince of Musignano has considered this identical with the 
C, Pallas of Temminck ; and Mr Swainson, from specimens procured 
by Mr Drummond near the sources of the Athabasca river, and by Mr 
Bullock in Mexico, has judged them to be distinct. As far as figures 
and descriptions can be taken as criterions of species, I should consider 
that of Pallas different, and perhaps the analogue in its own country to 
that of America. There is great similarity in the few birds that com- 
pose this genus, and their locality renders the possession and comparison 
