CATALOGUE OF CANADIAN BIRDS. I7 



Breeding Notes. — It comes to the Prybiloff Islands early in 

 May, mute and silent, locating its nest in a deep chink or crevice 

 of some inaccessible cliff, where it lays a single egg, of a pure 

 white colour and oblong-ovate in shape, on the bare rock or earth. 

 (Elliott.) 



MUSEUM specimens. 



A male and a female of this species procured by Mr. J. M. 

 Macoun on St. Paul Island, Behring Sea, Aug. 15th, 1891. 



X. SIMORHYNCHUS Merrem. 1819. 



18. Crested Auklet. 



Simorhynchus cristatellus (Pall.) Bonap. 1838. 



Breeding in great numbers on the islands in Behring Straits, 

 but their breeding grounds are the whole of the Aleutian Islands ; 

 nesting on cliffs among loose stones, only one egg to each bird. 

 (Nelson.) Only observed on two occasions at St. Michael ; in 

 considerable numbers at Bristol Bay, Alaska ; and among the 

 Aleutian Islands extremely abundant. (Turner^ Found in num- 

 bers on the Prybiloff Islands. (/. M. Macoun.') 



Breeding Habits. — This bird makes its appearance early in 

 May and repairs to chinks and holes in the rocky cliffs, or deep 

 down below rough basaltic shingle or a large boulder, to deposit 

 its egg, upon the bare earth or rock. Its egg is pure white and 

 rather rough with frequent discolorations. (Elliott.) 



MUSEUM SPECIMENS. 



A male and a female, both procured by Mr. J. M. Macoun on 

 St. Paul Island, Behring Sea ; the male on Aug. 12th, 1891 ; the 

 female Sept. i6th, 1896. 



One egg is in the collection, taken on St. Paul Island, June 

 i8th, 1897, by Mr. J. M. Macoun. 



19. Whiskered Auklet. 



Simorhynchiis pygmaus (Gmel.) Brandt, 1869. 



Coasts and islands of the North Pacific from Unalaska through 

 the Aleutian chain to Kamchatka. {A. 0. U. List.) Breeds 

 abundantly on the Nearer and Commander islands. (Nelson.) 

 Breeding on Atka Island, 1879. {Turner.) 

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