CATALOGUE OF CANADIAN BIRDS. 21 



rock, sometimes as much as two or three feet in. No nest is 

 formed the eggs being laid on the bare earth. They do not vary 

 much, but where the soil is damp and its colour red they soon 

 become stained and discoloured. This was the commonest 

 species of sea-fowl I found breeding at the above islands, though 

 on the Bird Rocks several other species are more plentiful. {Rev. 

 C.J. Young.) 



MUSEUM SPECIMENS. 



Two specimens are in the collection, both males, taken by Mr. 

 A. P. Low in the Gulf of St. Lawrence in 1894. 



We have 14 eggs, all from the coast of Labrador and Hudson 

 Strait, collected by Payne, Bell, Low and Forde. 



28. Mandt's Guillemot. 



Cepphus mandtii (Licht.) Bonap. 1856. 



This species abounds in the arctic seas and straits from Mel- 

 ville Island down to Hudson Bay. {Richardson.) Occurs occa- 

 sionally in Hudson Strait ; plentiful on the eastern coast of 

 Labrador ; also at Fort George, James Bay. {Packard.) Severn 

 House, Hudson Bay. {Thompson.) Quite common in Hudson 

 Bay, remaining the whole year, wintering out in the open water. 

 Breeds in large numbers on the outer islands, under loose stones 

 and boulders, laying one or more, commonly two, eggs. Eggs 

 laid on bare rock, without any appearance of nest. {A. P. Low.) 

 This species occurs on the Arctic and Behring Sea coasts of 

 Alaska and about the islands in these waters. {Nelson.) Occurs 

 rarely at St. Michael ; not observed on the Aleutian Islands. 

 {Turner.) Rare during the season of open water at Point Barrow, 

 but in November and December they were seen in small flocks. 

 {Murdoch. 



MUSEUM SPECIMEN. 



One male taken in the North Atlantic, purchased with the 

 Holman collection. 



29. Pigeon Guillemot. Western Guillemot. 



Cepphus coluviba Pall. 1826. 



This species is one of the most numerous among the larger 

 water-fowl of Alaska. It occurs in great abundance wherever 

 the coast is bordered by bold headlands or where there are 



