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. 



Lotus 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. {Nelson.) 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. 



Lotus occidentolis Aud. 1839. 



Found along the Vancouver Island coagt 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. (Fanning 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 i6th 

 June, 1894, received from Mr. Raine, 



50. Siberian Gull. 



Lotus affinis Reinh. 1853. 



Northern Asia. Accidental in Southern Greenland. {Ridgway.) 

 Only North American as occuring in Alaska and accidentally in 

 Greenland. (jCoues^ 



51. European Herring Gull. 



Lotus orgentotus Brunn. 1764. 



Exceedingly rare bird in Greenland and not known to have 

 occurred further north than Gotthaab. {Jirct. Man.) 



