394 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
The female averages a more blunt bill, but this character is not so. 
marked as in the male. 
On examining a large series of White-winged Scoters from both 
sides of the continent there is no difficulty in separating Atlantic and 
Pacific birds by means of this character of the bill. 
This subspecies I dedicate to Mr. Joseph Dixon of Escondido, 
California, an untiring worker in the field, and a loyal companion in 
the wilderness where the best laid plans at times miscarry. 
Fig. 1. Big. 2: 
Fig. 1. — Bill of Oedemia deglandi dixoni Brooks. — Arctic Alaska. 
Fig. 2. — Bill of Oedemia deglandi deglandi Bonaparte. — Massachusetts. 
This is an uncommon species on the north coast of Alaska. At 
Demarcation Point none were seen until June 25, 1914, a single bird 
on the Bay. An Eskimo brought me the unsexed skin of a specimen 
shot by him on June 28 about ten miles eastof the Point. On July 
12 about fifteen were in the Bay associated with approximately the 
same number of perspicillata. A male was taken from this flock. 
OEDEMIA PERSPICILLATA (Linné). 
f SURF SCOTER. 
On July 12, 1914, two flocks each containing about thirty individuals 
were flying over Demarcation Bay, and in the Bay were some fifteen 
with about the same number of White-winged Scoter. 
At Humphrey Point a male was taken by Mr. Dixon June 22, 1914. 
