20 ‘GEOLOGICAL SURVEY OF CANADA. 
BREEDING Notes.—The native who brought me the specimen 
mentioned above told me the bird laid a single pure white egg. 
The nest is placed amongst the roots of the large tussocks of 
grass on the edges of bluff and cliff ledges. (Zwurner.) 
MUSEUM SPECIMEN. 
One young bird collected by Dr. G. M. Dawson, Queen Char- 
lotte Sound, B. C., September, 1885. 
XIII. CEPPHUS Patras. 1769. 
27 Black Guillemot. 
Cepphus grylle (LiNN.) BREHM. 1831. 
This species is common along the Atlantic coast from the Bay 
of Fundy (Chamberlain ; Downs) northward to Newfoundland 
(Reeks), and very numerous on both coasts of Greenland, and 
said to remain longer than any other bird. Plentiful on Melville 
Peninsula, but not so common in the Polar Sea. (Arct. Man.) 
Generally distributed, but nowhere breeding in numbers in the 
Gulf of St. Lawrence. (4vrewster.) Common in Hudson Strait ; 
also east and south shores of Labrador. (Packard.) Breeds 
abundantly in scattered colonies on most of the Magdalen 
Islands. (Szshop.) Seen throughout the year on Prince of Wales 
Sound, Hudson Strait. (Payne.) Common at Quebec. (Dionne.) 
One shot in Burlington Bay, Hamilton, Ontario, many years ago. 
(Mclwraith.) A specimen was shot at Toronto, Ont,, about 1885 ; 
itis now in Mr. John Maughan’s collection. (/. H. Fleming.) 
BREEDING NoTeEs.—A large series of eggs of this bird was 
collected for me by Mr. Dicks on Pig Island, Coast of Labrador, 
June 2oth, 1895. Another large series was collected for me in 
Ungava Bay, Labrador, on July oth, 1896. This bird lays two 
eggs in crevices of sea cliffs. I have also eggs in my collection 
collected on Grand Manan, New Brunswick. (Raie.) This isa 
common species in the Gulf of St. Lawrence, breeding in suitable 
localities as far west as the mouth of the Saguenay. Numbers of 
them breed on the Magdalen Islands as well as near Tignish, at 
the west point of Prince Edward Island. On the 23rd and 24th 
June, 1897, we found a number of their eggs inthe cliffs of Bryon 
Island. The eggs were mostly fresh, or only incubated a few 
days at that date. Each bird lays two eggs ina crevice of the 
