PALLAS’ DIPPER. 
93 
„ '“habit this continent. A specimen from the northern 
„ “tries, communicated by Mr Leadbeater, first enabled 
sim^trodnee it into tlie American Fauna ; and, almost 
l,i i U . eoils ly> Mr Swainson, in bis Synopsis of the 
■ r< s discovered in Mexico by Mr Bullock, announced 
. occurring in that country, but in no other part, 
a h ® thought, of America. Judging from his short 
Sc (iption, (and the species does not admit of a long 
X, ’) "e have no hesitation in affirming, that both Mr 
“anison’s, and that described by Temminck, and 
. ’Pposed to have been found by Fallas in the Crimea, 
identical with ours; notwithstanding the localities 
s o widely distant from each other, as well as from 
iKr. ''hence ours comes, which, however, it will be 
reived, i s intermediate between them. 
‘‘as been frequently remarked by us, (and the tact 
, well established",) that many birds of Mexico, 
1), w ? unknown in the Atlantic territories ot the 
.-“'.tod States, are met with in the interior, and espe- 
along the range of the Rocky Mountains, at 
^Usiderably higher latitudes. But it was not to he 
^Pected that a Mexican species should extend so far 
b ,h as the Athabasca Lake, where our specimen was 
H Ocur^j The c i rcuI nstaiicc is, however, the ess 
wiping in birds of this genus, as their peculiar habits 
c , °,»ly allow them to live in certain districts. 1 he 
U , M ' >s similar with the dipper of the old continent, 
\ though widely dispersed, is only seen in moun- 
,ll Uo U S aiK | t - - . — A. 5 - - nni, ^ „ .rVi w fl < 
an v iina rocky countries. 
the '“'Probability 
. itmuu 1 U 3 . Though we do not see 
— p'uuaoiuty in the American species inhabiting 
s*’ eastern Asiatic shore, vie prefer believing that the 
Hiir| f lniens on which Temminck established the species, 
in r "hose supposed native place was the Crimea, were 
in '• lC * -American. The two species are so much alike 
of ti*®’ s hape, and even colour, as to defy the attempts 
. the most determined system maker to separate them 
lo different oroiins 
i.'The single species' of which the genus Cinclus had 
hi' o° insisted, was placed in Sturnus by Lmne ; and 
' “Copoli ; with much more propriety, in Motacilla. 
