388 LA BID«.
slightly forked; the chin, throat,' breast, and all the under
surface of the body pure white ; legs, toes,, their membranes, j>
and the claws black, the latter strong and curved.
The whole length of the specimen 'described, from , the
point of the beak to the end of the long: feathers of the tail,
nineteen'inches ; some specimens measure twenty Itfe.twenty^
one inches* Among the Terns .the males are rather larger
than the females. From the carpal joint of the wing to the
„end of the first, which is the longest, quill-feather,>\s.e,Venteen
inches and a half, the ends of the wings extending eorisider-
ably beyond the ends of the forked feathers forming the tail.
Young birds of the year, before, their first autumn moult,
have the beak of a dull red^with sème ‘.black at .theipoint; 1
the forehead and top ofrthu head,white^the'upper surface of
the body varied with patches of ash-brownj and darker transverse
bands; „ thé feathers of the .tail have dark érids ; the
primary (pull-feathers are. also dark; -all thé under surface of
•the body pure white.., •
Adult birds in-winter have the h.ead w h it^w lth a .few
dark feathem^behind the eau-covert^, in all other respects
adult birds in whiter .fésémbia-' adult biMs- in summer,writhe
black -head alone excepted.
NATATORES. LARIDÆ.
TH E , SANDWICH T E R N .
Stei u , Sandoewïï Vein,
cantiaci i, v 4I
Bousii,
j carfliîifa,:
P e n n . B p i . h. p. 200.
.BgSebK, Brit. -Birds^^|i& p.211.
Flem. Briti An. p. 142.
W f tiv-j Brit. Örniffi.'voi.'ii. p. 464.'
Jes%ns, Brit. Vert. p(.
0 v a ^ i ^ x xA s of Europe, pt. vi. •
T h e Sk-NDWiCH T e b n was first observed and obtained m
'thl^cblntry a#*Sandwich, in 1784, by Mr. Boys, who sent
pjllimernsAtoJ D i Ratham, f f whom the particulars respect-
ing^fj&re^published m the sixth volume^ of his General
Synopsis, page 356, species 9. Attention being thus drawn
to this species, it has since been ascertained to be a regular