Larus heermanni (Cass.).
Common along the southern coast of Vancouver Island during July and
August. Taken at William Head in full plumage, June 28th, 1904, by
Thos. Kermode.
30. Bonaparte's Gull.
Larus philadelphia (Ord.).
An abundant resident throughout the Province, and found in great numbers about the inlets and rivers in March and April; it breeds in the interior of the Province. I have also seen it on the coast in June and July.
XEMA Leach.
31. Sabine's Gull.
Xema sabinii (Sab.).
Taken at Okanagan Lake, September 9th, 1897. (Brooks.)
STERNA Linnæus.