CATALOGUE OF CANADIAN BIRDS. 17 
Br&EDING 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 colourand oblong-ovate in shape, on the bare rock or earth. 
(Elhott.) 
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. 1810. 
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. 
(Welson.) Only observed on two occasions at St. Michael; in 
considerable numbers at Bristol Bay, Alaska ; and among the 
Aleutian Islands extremely abundant. (Zzrner.) Found in num- 
bers on the Prybiloff Islands. (/. WZ. Macoun.) 
BREEDING Hasits.—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. (/lott.) 
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. 16th, 1896. 
One egg is in the collection, taken on St. Paul Island, June 
18th, 1897, by Mr. J. M. Macoun. 
19. Whiskered Auklet. 
Simorhynchus pygm@us (GMEL.) BRANDT. 1869. 
Coasts and islands of the North Pacific from Unalaska through 
pie wileutian chain toy, Kamchatka, «(A: O. U. Zest.) Breeds 
abundantly on the Nearer and Commander islands. (JVe/son.) 
Breeding on Atka Island, 1879. (Zurner.) 
2 
