370 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
until close to the Island, and descending in the disorderly zigzag 
manner of the Old Squaw. 
Specimens were taken at Copper Island, Petropavlovsk, East Cape, 
Siberia, and St. Lawrence Island. 
A few were seen on July 19, 1913, about eighty miles south of 
Wrangel Island. 
CEPPHUS MANDTI (Mandt). 
MANDT’S GUILLEMOT. 
‘The only one of this species observed was a male shot by Mr. Dixon 
on July 19, 1913, about eighty miles south of Wrangel Island. 
CEPPHUS COLUMBA Pallas. 
PIGEON GUILLEMOT. 
Abundant about Bering Sea wherever cliffs were to be found. 
Our collection contains specimens from Copper Island, Cape — 
Shipunski, and East Cape. 
CEPPHUS CARBO Pallas. 
SOOTY GUILLEMOT. 
A male of this species was taken at Cape Shipunski, May 21, 1913. — 
We saw no others. 
SYNTHLIBORHAMPHUS ANTIQUUS (Gmelin). 
ANCIENT MURRELET. 
We saw no Ancient Murrelets. Our collection contains a purchased - 
pair taken at Copper Island, May 29 and June 30, —, and a juvenile 
male from Bering Island without data. 
AETHIA CRISTATELLA (Pallas). 
CRESTED AUKLET. 
This species was common about St. Lawrence Island (Cape Chi- — 
bukak), June 3, 1913, and about Frovadente Bay, Siberia, and Bering — 
Strait, in June, 1913. : 
Specimens were taken at St. Lawrence Island and East Cape. 
