WHISKERED TERN. 
281 
The only difference in the sexes is a slightly larger 
size, and in the hlaclc extending rather farther down 
the nape on the male. 
The Whiskered Tern, Sterna Leucopareia. 
— Of this tern a single specimen only has been ob- 
tained on the coasts of Britain, shot by a boating 
party at Lyme in Dorsetshire, and fortunately com- 
ing under the observation of T. 0 . Hey sham, Esq. 
of Carlisle, that gentleman procured for Mr. Yarrell 
an opportunity of examining it, and a well executed 
wood-cut has appeared in the British Ornithology. 
It still appears a rare bird everywhere, or it has 
been overlooked ; but Europe may be only the limit 
of its range northward, and abundant colonies may 
at some time be met with. Temminck states having 
received specimens from Borneo. We borrow Mr. 
Yarrell’s description of the Dorsetshire, and at 
present, the only British specimen. “ The bill is 
red, inclining to dark brown on the edges of both 
mandibles towards the point, rather short, and the 
under mandible prominent, an approximation to the 
form of the under mandible in the gull-billed tern ; 
the irides brownish black ; forehead, crown and 
nape black ; from the base of the upper mandible, 
in a line below the eye to the ear-coverts, a stripe 
of white, forming the whisker or moustache ; back, 
wing-coverts, upper tail-coverts and tail-feathers, 
uniform dark grey, almost slate-grey ; first quill- 
feathers lead-grey on the outer web, and over a 
