t GREAT CAROLINA WREN. 319 
The female differs from the male in oeing lighter above, tinged with grey 
beneath, and in wanting the white tips of the wing-coverts. 
The roof of the mouth is flat, with two slight ridges on the palate, and a 
prominent median line anteriorly, the posterior 
aperture of the nares linear, 4 twelfths long, papil- 
late ; the tongue 7| twelfths long, very slender, 1^ 
twelfths broad at the base, where it is emarginate 
and papillate, channelled above, tapering to a 
rather obtuse bristly and horny point. The width 
of the mouth is 4 twelfths. The oesophagus, abc, 
is 1 inch 9 twelfths long, 3 twelfths in width ; 
the proventriculus, b c, 3i twelfths. The stomach, 
cde, is elliptical, a little compressed, 71 twelfths 
long, 51 twelfths broad ; its muscles moderate, 
the lower very thin, the tendons rather large; the 
epithelium tough, with large longitudinal rugae, 
and of a reddish-brown colour. The contents of 
the stomach are insects and seeds. The intestine, 
efgh , is 5 inches 9 twelfths long, its width 11 
twelfths ; the cloaca, j, globular, 6 twelfths in 
width ; the coeca, i, 11 twelfths long, and 1 twelfth 
wide. 
The trachea is 11 inches long, considerably flat- 
tened, scarcely 1 twelfth broad at its widest part, 
and contracting to £ twelfth ; the rings 58, with 2 additional dimidiate 
rings. The muscles as in all the singing birds, those of the inferior larynx 
considerably developed. Bronchial half rings about 15. 
Ihere is a pretty large oblong salivary gland in the usual place, opening 
with a single duct into the fore part of the mouth. 
The Dwarf Buck-eye. 
^Esculus Pavia, Willd. Sp. PL, vol. ii. p. 286. Punch, FI. Amer., vol. ii. p. 254. 
— Heptandria Monogynia, Linn. — Acera, Juss. 
Lea'ves quinate, smooth, unequally serrated; racemes lax; generally 
with ternate flowers ; corollas tetrapetalous, their connivent claws of the 
length of the calyx ; stamens seven, shorter than the corolla. The flowers 
are scarlet. 
