316 
LARINA. 
STERNA. 
Wings extremely long, narrow, and pointed, the first quill 
longest, the rest rapidly graduated. Tail long, generally 
forked, of twelve feathers. Tongue very slender, tapering, 
with the point slit ; oesophagus extremely wide ; proventri- 
cular belt complete ; stomach rather small, moderately mus- 
cular, with the epithelium dense and longitudinally rugous ; 
intestine of moderate length, rather narrow ; coeca small. 
429. 1. Sterna Cayana, Lath. Cayenne Tern. 
Plate CCLXXIII. Male. 
Bill longer than the head, stout ; wings longer than the tail, which 
is moderately forked ; bill carmine ; feet black ; upper part of the 
head and occiput greenish-black ; back and wings light greyish-blue ; 
primary quills bluish-grey on their outer webs, darker on the outer 
■part of the inner, their inner part white, as are the ends and inner webs 
of the secondaries ; upper tail-coverts and tail greyish-white ; all the 
other parts pure white. 
Male, 19, 44. 
From Texas, in spring, to the Floridas, where it breeds on the Tor- 
tugas. Labrador, but not observed in the intermediate parts of the 
Atlantic coast. Abundant. Migratory. 
sterna cayana, Bonap. Syn. v. ii. p. 333. 
Cayenne Tern, Noxx. Man. v. ii. p. 208. 
Cayenne Tern, Sterna cayana, Add. Orn. Biog. v. iii. p. 503 5 v. v. p. 630. 
430. 2. Sterna Anglica, Montagu. Gull-billed Tern. — 
Marsh Tern. 
Plate CCCCX. Male. 
Bill about the length of the head, stout ; wings longer than the tail, 
which is moderately forked ; bill and feet black; upper part of the 
head and occiput greenish-black ; sides of the head, fore neck, and all 
the lower parts, white ; upper parts pale greyish-blue, edges of the 
wings whitish ; primaries hoary on the outer web, deep grey on the 
inner, their shafts and those of the tail-feathers white ; the tail of a 
paler tint than the back, and the outer feather nearl}^ white. 
Male, 14, 34. 
Cosmopolite. In America, breeds from the mouth of the Mississippi 
to Connecticut. Not abundant. Migratory. 
Marsh Tern, Sterna aranea, Wils. Amer. Orn. v. viii. p. 143. * 
Sterna aranea, Bonap. Syn. p. 354. t 
Marsh Tern, Sterna anglica, Nutt. Man. v. ii. p. 269. 
Marsh or Gull-billed Tern, Sterna anglica. Add. Om. Biog. v. v. p. 127. 
