THE PIED-BILLED DOBOHRJX. 
211 
having a black spot beyond the middle. Iris brown. Feet greyish-black. 
Upper part of the head and the throat black; neck and sides of the head 
light greyish-brown, the stiff edges of the feathers on the lower part and 
sides of the neck greyish-yellow; back brownish-black, as are the inner 
secondaries ; the outer light brown, with a reddish- white spot on the end of 
the inner web ; primaries light brown, dusky at the end. The breast Is 
silvery-white, the abdomen brownish-grey, and the sides mottled with the 
same. 
Length to end of tail 14 inches, to end of wings 12, to end of claws 18 • 
extent of wings 23; wing from flexure ,4}f; bill along the ridge if; along 
the edge of the lower mandible 1 T V; tarsus l T Vp middle toe 2, its claw T \. 
Weight 15 oz. 
Adult Female. 
The female wants the black band on the bill ; but is in other respects' 
nearly similar to the male. Weight 13 oz. 
Male. Mouth 7 twelfths wide ; the palate flat, with two longitudinal 
ridges on each side ; the anterior part with three. The tongue is 10 twelfths 
long, slender, slightly concave above, 
trigonal, tapering to a thin horny 
point. (Esophagus 8 inches long, f 
inch in width along the neck. The 
proventriculus, b c, forms a very 
large sac, as in the other species, 10 
twelfths in width ; but the stomach, 
c d e f, although still very large, is 
more muscular in structure, and ap- 
proaches in character to a true giz- 
zard. It is of an irregularly elliptical 
form, If inches long, If inches broad ; 
there are distinct lateral muscles 5 
twelfths thick, a very prominent in- 
ferior muscle, e, and large oblong 
tendons. The epithelium is very 
thick, dense, tough, with remarkably 
strong longitudinal rugas, transverse- 
ly fissured, and also lining the large 
pyloric cavity, /", which is 8 twelfths 
in extent. The proventricular glands are exceedingly large, those in the 
middle being 3 twelfths long, and | twelfth broad; they form a belt 1$ 
inches in breadth. The intestine forms 8 folds, and measures 31 inches in 
length; its width at the upper part is 3i twelfths, at the lower 3 twelfths. 
