44 GEOLOGICAL SURVEY OF CANADA. 
58. California Gull. 
Larus californicus LAwR. 1854. 
Great Slave lake, abundant. (Ross.) Quite a number of speci- 
mens with eggs were received from Eskimos of the lower Ander- 
son, lat. 68° 30’. (Macfarlane.) Found along the Vancouver 
island coast and in the Gulf of Georgia. (Lord.) An abundant 
resident; breeds in the interior of British Columbia; a winter 
resident along the coast, during which time it appears in great 
numbersin ourharbours. (/annin.) Common in the lower Fraser 
valley and on Lake Okanagan, B.C., in winter. (Bvooks.) Big 
Stick lake, Sask., and Many Island lake, Alta. (Bzshop.) Many; 
if not most, of the prairie references under ZL. argentatus should 
probably go here. 
54. Ring-billed Gull. 
Larus delawarensis ORD. 1815. 
Apparently rare around the coasts of Nova Scotia and New 
Brunswick, and not very common on the river and Gulf of St. 
Lawrence. 
Common throughout the summer at Newfoundland. (Reeks.) 
One young specimen taken at Port Manvers, Labrador. (Lzgelow.) 
Very common on Lake Ontario at its western end during the 
winter. (Mcllwraith.) Breeding abundantly on small islands 
off the Bruce peninsula, Ont., May, 1905, and June, 1900, 
(WW. Saunders.) Common in the Georgian bay, breeds as far inland 
as Muskoka lakes, Ont. (J. H. Fleming.) Common at Lake Mis- 
tassini, Que., where it breeds. (/. M7. Macoun.) . Breeds in the 
vicinity of Hamilton inlet, east coast of Labrador. (A. P. Low.) 
Common on the inland waters from Lake Winnipeg to Hudson 
bay and northward to the Barren Grounds. (Predde.) Breeds in the 
small lakes in northern Ontario; found in the northern part of 
Addington co. in 1870, and near Minden, in Victoria co. in 1868. 
It bred on islands in the lakes just as it does now in the prairie 
region, where it is abundant on all large lakes and ponds from 
Manitoba to the Rocky mountains and northward. One specimen 
was taken on Loon lake, B.C., and it was common on Shuswap 
lake, in June, 1889. (Mecoun.) A winter resident on the coast of 
British Columbia; breeds in the interior, especially to the north- 
