150 
Capt. Blakiston on the Birds of the 
son's Bay, in the ‘ Fauna Bor.-Am.;' and both Mr. Murray and 
myself have received specimens from the west coast of Hudson's 
Bay. 
SOMATERIA MOLLISSIMA. 
I have received from Hudson's Bay fine specimens of the 
Common Eider. 
SOMATERIA V-NIGRUM. 
This species of Eider, hitherto found only on the Pacific, is 
recorded by Mr. Boss as an inhabitant of Great Slave Lake, in 
latitude 61° N., and longitude 114° W. It is said to be rare 
in that locality, only two specimens having been obtained. 
This is another instance of the occurrence of the fauna of the 
Pacific in this northern and western region, which I have before 
adverted to. After all, it is nothing more than what we should 
expect; for on observing the configuration of the north-western 
part of the American continent, it is only natural that the birds 
wintering about Vancouver Island and to the southward should 
find their way, in summer, across the small portion of continent 
intervening between them and the Arctic Ocean, in place of 
making their way as far westward as Behring's Strait. There 
is another Eider (although it is placed in another genus), 
belonging to the American continent, Arctonetta fischeri , like¬ 
wise described by Mr. George Gray, from specimens from Norton 
Sound, in Bussian America*. 
SOMATERIA SPECTABILIS. 
The King Eider is noticed from the Arctic regions in the ‘Fauna 
Bor.-Am.'; and I have seen specimens from Hudson's Bay. 
Erismatura rubida. 
A specimen is given in the ‘ Fauna Bor.-Am.' from the Sas- 
katchawan; and I examined one at York Factory, on Hudson's 
Bay. Mr. Boss records it as an inhabitant of Great Slave Lake. 
114. Mergus americanus. 
I found the American Goosander as far west as the Bocky 
Mountains Ibis,' vol. iv. p. 10), and have seen a specimen 
from Hudson's Bay. It is given in the f Fauna Bor.-Am.' as 
M. merganser. 
* See Proc. Zool. Soc. 1855, p. 211. 
