FISHER PETREL. 
100. AEstrelcita fisheri. 7 inches. 
This is a handsome bird known only from the type specimen 
taken off Kadiak Island, Alaska, by Mr. Fisher. 
LEAST PETREL. 
103. Halocyptena microsoma. 5% inches. 
This is the smallest of the family. Their plumage is entirely 
dark sooty. 
Nest.—They have been found breeding on the islands of 
Lower California, and they probably do on others farther 
south. The single egg of this bird is white with a wreath 
of tiny brown specks about the larger end. 
FORK-TAILED PETREL. 
105. Oceanodroma furcata. 8 inches. 
These birds have a plumage of bluish gray, the wings being 
darker and the under-parts lightest. 
Nest.—Single egg is laid at the end of a burrow on the 
ground. Egg white with a fine wreath of purplish black specks 
about the larger end. Found breeding on the islands of 
Alaska. 
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