74 
THE CONDOR 
Vol. XVII 
( Arclea herodias herodicis) and Farallon Cormorants ( Phalacrocorax auritus 
albociliatas ) ; the vast ground colonies of American White Pelicans ( Pelecanus 
crythrorhynchos ) ; its settlements of California Gulls ( Larus calif ornicus) ; and 
most of all, and long to he remembered, the wild-crying Ospreys in the great 
forests of virgin timber, and their huge nestsJn the lofty dead pines. 
San Francisco, California, December 15, 1914. 
NOTES ON MURRELETS AND PETRELS 
By ADRTAAN VAN ROSSEM 
WITH ONE PHOTO BY L. HUEY AND TWO PHOTOS BY A. HIELER 
T HOUGH the primary object of this paper is the-* discussion of some fall 
specimens of Murrelets taken between San Diego, California, and Los 
Coronados Islands, Lower California, I deem it advisable to incorporate 
1 2 3 4 ,-S 6 7 
A ' 
Fig. 26. Specimens of Brachyramphus h ypoleucus (no. 1) and B. craveri (nos. 2-7), 
SHOWING COLOR OF WING-LININGS 
also some notes on the Black and Socorro Petrels which breed on the Coronados 
in company with the Xantus Murrelet and have also been more or less closely 
associated with it in much of the recent literature on the Islands. 
When on August 13 of the present year Mr. Laurence Huey and the 
writer made a flying trip to Los Coronados with a view to collecting a series 
of young petrels, seven murrelets were taken in the channel about midway 
between San Diego and the Islands. Of these, one is unmistakably Brachy- 
ramphus h ypoleucus, while the others, after careful attention to the distinguish- 
ing characteristics as given by Mr. William Brewster in his “Birds of the Cape 
Region of Lower California”, I have no alternative but to label Brachyramphus 
craveri. 
The accompanying illustration (fig. 26) shows very nicely the distinction 
