CCXVl 
GENERAL INDEX. 
VOL. PAGE 
GENUS IBIS. 
Bill long, slender, subarched, roundish, point ob- 
tuse, upper mandible deeply furrowed ; nostrils near the 
base, oblong, narrow ; face and jugular pouch naked ; 
feet pretty long, slender, fore toes united by a web as far 
the first joint, hind toe placed on a level with the rest. 
Scarlet Ibis, (/. ruhrd) - - . - viii 41 
White I. (/. alba) viii 43 
GENUS NUMENIUS. 
Bill long, slender, incurvated, compressed, furrowed 
for three-fourths of its length, and terminated in a blunt 
point; upper mandible overhanging the lower at the tip; 
nostrils lateral, linear, situated in the furrow of the bill ; 
feet pretty long, fore toes connected by a membrane as 
far as the first joint, hind toe articulated upon the tarsus, 
and touching the ground. 
Long-billed Ciirlerv, (N. longirostris) - - viii 23 
Short-billed C. (A*. Hiidsonicns) - - - vii 22 
GENUS THING A. 
Bill of a middling length, slender and flexible, com- 
pressed at the base, depressed, soft and obtuse, at the 
point; nostrils small and lateral ; feet slender, of a mid- 
dling length, fore toes more or less connected by Avebs, 
hind toe Aveak, articulated upon the tarsus, and, in some 
species, raised from the ground. 
Ash-coloured Sandpiper, (T*. cinerea) 
Ifittle S. (T. pusilla) 
vii 36 
v 32 
