134 
has arranged it under the Lams Argenta- 
tus of Gmelin, which bird is undoubtedly 
the Silvery Gull of Pennant, &c. How 
the striking specific character of the yellow 
legs could escape his penetrating observa- 
tion we are at a loss to guess ; the legs of 
the Larus Argentatm being of a livid flesh 
colour. 
It is still more extraordinary that the 
two species should have been so long con- 
founded, as the disproportion in the size is 
alone sufficient to discriminate them, one 
species weighing two pounds and a half, 
the other nearly double that weight. The 
two species do not associate, and they 
breed in distinct places, The lesser spe- 
cies frequently congregate with the Her- 
ring Gull, and breeds in the same places. 
The eggs are said to be rather larger than 
those of the Great Black-backed species, 
and of the same colour. It measures about 
twenty-four inches in length. 
The young of the first year have the 
throat and fore part of the neck whitish, 
streaked with light brown ; neck and un- 
