194 
BROWN GULL. Cuass Il. 
Descrir- Mr. Johnson, a Yorkshire gentleman. “ The 
TION. 
“ whole under side is white ; the upper brown; 
“ the wings partly brown, partly ash color; the — 
“‘ head black; the tail not forked; these birds 
“ fly in companies.” ; 
From the description, we suspect this bird to 
be the young of the greater Tern, that had not 
yet attained its proper colors, nor the long fea- : 
thers of the tail, which it does not acquire till _ 
mature age. | . 
[Dr. Latham, in the second supplement to 
his Synopsis, thus describes a bird which fell 
under the observation of the late Mr. Boys, of 
Sandwich, and which he suspects to be this 
species hitherto so little known. 
“ Pill like that of the Cinereous Tern, but 
longer and more slender, yellow to the hook in 
the upper mandible and to the gibbous part of 
the lower, from thence black ; length to the toes 
and tail fifteen inches and a half, to the tips of 
the wings eighteen inches; breadth eighteen 
inches ; weight eight ounces and a half avoirdu- 
pois; the hind head and nape dusky; at the 
anterior angle of the orbit, a black spot, another 
of the same behind the ear; forehead, throat, 
fore part of the neck, belly, vent, and rump, 
pure white; back, scapulars, upper range of 
coverts next the body, grey; middle series of 
