Calalognc of the Birds of Neiv Brunswick. 6i 
203. DOUBLE-CRESTED CORMORANT. ( Phalacrocorax dilophus). 
A lew individuals of this species have been occasionally- 
observed about the mouth of Saint John harbour in the months 
of May, June, and September, but it has not been observed 
during any of the winter months. 
Family SULID/E. The Gannets. 
204. GANNET. (Sula bassana). 
Occasionally observed at Mace’s Bay. 
Family LARID.Ti» The Gulls, Terns, 
205. IVORY GULL. (Pagophila eburnea). 
On December i8, i88o, a Gull was shot off Saint John 
harbour and sent to the Smithsonian Institute, where it was 
identified as an immature bird of this species. 
Given by Mr. Herrick as a “winter visitant” of Grand. 
Manan. 
206. KITTIWAKE GULL. {Rissa trydactyla). 
A rather common resident. Most numerous in winter. 
207. GLAUCOUS GULL. BURGOMASTER. {Larus glaucus). 
Rare. On December 23, 1880, one was shot from a flock 
of some half dozen in Saint John harbour, and sent to the 
Smithsonian Institute, where it was identified as an immature 
bird. 
208. WHITE-WINGED GULL. (Larus leucopteriis). 
The only instance of its occurrence that is known is of a 
pair shot in Saint John harbour on April 2, 1881. I sent one 
to the Smithsonian Institute, where it was identified as an 
immature bird. 
209. GREAT BLACK-BACKED GULL. (Larus marinus.) 
An uncommon resident. 
