( 590 ) 
| 
XXXII. An Account of a new Species of Gull lately discovered on 
© the West Coast of Greenland. By Joseph Sabine, Esq. F.R.S. and 
L.S. 4c. 
| Read December 15, 1818. 
I nzcrivzp in the last summer, by one of the whaling ships from 
Davis's Straits, a collection of birds, which had been made by my 
brother Captain Edward Sabine of the Royal Artillery, who ac- 
companied the late expedition in search of a North-West passage. 
Among them were specimens of a Gull hitherto unknown and 
undescribed. | E à | 
My brother's account of them was as follows: They were met 
with by him and killed on the 25th of July last on a group of 
three low rocky islands, each about a mile across, on the west 
coast of Greenland, twenty miles distant from the main land, in 
latitude 75° 29’ N., and longitude 60°9 W. They were associated 
in considerable numbers with the Sterna Hirundo, breeding on 
those islands, the nests of both birds being intermingled. 
The male and female are nearly the same size, the latter is 
rather the smallest, but their plumage is exactly similar. The 
length of different specimens varies from twelve and a half to 
fourteen inches; the extent of the wings is about thirty-three 
inches, and the weight from six and a half to seven and a half 
ounces. ‘The following is a full description. The bill one inch 
long, the base of both mandibles black as far as the angular pro- 
jection of the lower mandible, the remainder yellow; the inside 
of 
