380 BLACK-CAP TITMOUSE.
dibles with the dorsal line slightly convex, the sides sloping and convex,
the edges sharp, that of the upper mandible- .slightly , «innate.
Nostrils basal, roundish,, concealed by the .»cumbent feathers.: Head
large, neck short, body robust. Feet of ordinary length, rather robust;
tarkus compressed, with seven anterior scutolln ; toes large, the, three
anterior united as far as the second joiut ; the hind one much stronger,
and With its claw nearly, as long as the middle toe. Glaws large,
arched, much compressed, acute..
Plumage blended, tufty; feathers of the head glossy. Wings of
moderate length, lire first quill scarcely half the length of the: second,
.which is equal to; the first secondary,, the third and seventh about
equal, the fourth and fifth; equal and longest. Tail long, a little
arched, emarginate and rounded, of twelve slender rounded feathers.
Bill brownish -black. Iris dark brown,:. Feet greyish.blue, as are
the claws. The whole upper part of the head and the. -hind neck pure
black, as is a large patch on the throat and tore-neck. Between these
patches of black is a band of white, from the base of the bill down the
sides of .the neck, becoming broader behind, and encroaching on the
feack, which, with the wing-coverts, is ash-grey tinged with brown.
Quills dark; grfi$iSfcbroWn, margined with bluish-white, the secondary
quills so broadly margined ¡as to leave a conspicuous white dash on
the wing ; tail of the same colour, the feathers similarly edged. Lower
parts brownish-white, the. sides pale yellowish-brown.
iSpHLength to end of tail inches, to end of wings 3$-, to end of claws
4 j ; extent of wings Kj : wing from flexure ; tail measurements
taken from three males. In another, the hill along the ridge
« along the edge of lower mandible ,'i ; tarsus hind toe A, its
claw A ; middle toe its claw ft -
Adult Female. Plate CCCLIII. Fig. i
The Female is similar to the male.
Male examined. The tongue is 4 | twelfths long, emarginate and
papillate at the base, flat above, depressed, tapering, the point horny,
slit, with four bristly points/ (Esophagus, 6, c, d, inch long, tapering
at the commencement to the diameter of 2 twelfths, and then
continuing nearly uniform, without dilatation; the proventriculus, c, d.
BLACK-CAP TITMOUSE
is not much enlarged. The stomach, <i,e, is a strong
gizzard, of an oblong form or ovate, 4 twelfths long/
3 twelfths broad,,with strong lateral muscles; its.
epithelium longitudinally rugous, and of a dark reddish
brown colour. Intestine inches long, the
diameter of its duodenal portion, f , </, h. twelfths.
The; rectum, y, "k, is 7 | twelfths long; the cceca, / , 1
twelfth long, and \ twelfth in diameter.
The trachea is 1 inch long, its diameter uniform,
| twelfths, its, rings 42. It is furnished with
lateral or contractor muscles, sterno-tracheali and
four pairs of. inferior laryngeal. Bronchi short, of
about 10 rings.