38 GEOLOGICAL SURVEY OF CANADA. 
Hamilton River, Labrador, by Mr. A. P. Low, 1894 ; two sets of 
three each taken in Nova Scotia May 29, 1898, by H. F. Tufts. 
48. Slaty-backed Gull. 
Larus schistisagus STEJN. 1884. 
In September, 1880, Capt. C. L. Hooper, of the Corwin, took 
the first example of this bird known, from the west coast of Am- 
erica, at the Diomede Islands, Behring Straits. (/Ve/son.) Abund- 
ant, feeding at the mouth of the river falling into the head of 
Chernoffsky Bay, Unalaska, October Ist, 1880. (Dr. Bean.) As 
Stejneger found it breeding on the Asiatic coast, it is doubtless 
commoner than its present limited known range indicates. 
49, Western Gull. 
Larus occidentalis Avuv. 1839. 
Found along the Vancouver Island coast and in the Gulf of 
Georgia. (Lord.) A resident of British Columbia ; very abund- 
ant on the coast during the winter months; found breeding 
in the Similkameen Valley. (/@nnin.) Common in Burrard Inlet 
in April 1889; large flocks were seen at Comox May 2nd, 1887, 
and a few between Comox and Nanaimo on May 6th. (Macoun.) 
MUSEUM SPECIMENS. 
Two eggs taken on the west coast of Vancouver Island, on 16th 
June, 1894, received from Mr. Raine, 
50. Siberian Gull. 
Larus affints REINH. 1853. 
Northern Asia. AccidentalinSouthern Greenland. (Aidgway.) 
Only North American as occuring in Alaska and accidentally in 
Greenland. (Cowes.) 
51. European Herring Gull. 
Larus argentatus BRUNN. 1764. 
Exceedingly rare bird in Greenland and not known to have 
occurred further north than Gotthaab. (dArct. Man.) 
