GREEN - HERON - . 
109 
ff; tarsus 2; hind toe I, its claw I; middle toe II, its claw f, inner toe li, 
its claw I; outer toe If, its claw i. Weight 7 i oz. 
The female is considerably smaller, but otherwise similar. 
Length to end of tail 17 inches, to end of wings 17, to end of claws 21f, 
extent of wings 25. Weight 6i oz. 
Young fully fledged. 
The bill dull greyish-green, the lower mandible lighter; bare space around 
the eye greenish-blue, with the exception of a streak of yellow at the upper 
part. Iris yellow. Feet greenish-yellow, duller than in the adult. The hind 
neck light brownish-red, the fore part of the neck and all the under parts 
white, longitudinally streaked with brown- 
ish-red, some of the long feathers on the sides 
of the neck also white. At this age there 
are no elongated feathers on the back, which 
is greenish-blue, as well as the scapulars and 
tail-feathers. Wing as in the adult, but the 
smaller feathers on its anterior part more 
red, the coverts with a small triangular tip 
of white, and the quills narrowly tipped and 
margined with the same. 
Length to end of tail 171 inches, to end 
of wings 17, to end of claws 23 ; extent of 
wings 25. Weight Qi oz. 
The roof of the mouth is anteriorly a little 
concave, with a median prominent line ; the 
palate convex; the lower jaw with a kind of 
joint about an inch from the base, its inter- 
crural membrane or skin very extensile. The 
tongue is l T j inches long, very slender, tri- 
gonal, emarginate at the base, with a groove 
along the middle, and pointed. Posterior 
apertures of nares linear, i inch long. (Eso- 
phagus, a, b, c, 10 inches long, its walls deli- 
cate, its diameter at the upper part 11 inches, 
gradually contracting to % inch at its entrance 
into the thorax. The lobes of the liver un- 
equal, the right 1 inch 5 twelfths long, the 
left 11 twelfths; the gall-bladder large, 7 
twelfths long. The stomach, c d, is membranous, of an oblong form, 9 
twelfths long, 10 twelfths in breadth ; its tendons elliptical, 5 twelfths by 
3 twelfths. The proventriculus, c c, 9 twelfths long, with a complete belt 
