274 ON THE classification' op BIRDS. 
Hind toe and claw nearly as long as the tarsus. Tro- 
pical America. 
C. cristatus. Br. Birds, pi. 32. icteronotus. Br. Birds, pi. 3. 
hicmorrhous. Ib. pi. 1. nigerrimus. Ib. pi. 4. 
aiKnis. Ib. pi. 2. coronatus. 111. Or. 45. 
Zanthobnis, Cuv. Bill not longer than the head, 
generally shorter ; perfectly straight ; the culmen 
not dilated at the base, hut simply dividing the frontal 
feathers. Wings moderate, pointed ; the first three 
or four quills generally or nearly equal. Tail mo- 
derate, rounded. Feet moderate, hut with the hinder 
toe manifestly longer than the tarsus ; lateral toes 
unequal. America. 
Z. Baltimorii. Wils. pi. 1. f. 3. 
Icterus, Cuv. Bill somewhat lengthened, as long as the 
head, or longer : both mandibles slightly curved, and 
considerably attenuated. Nostrils basal, rather large, 
covered above by a membrane ; the aperture lateral 
and oval. Wings moderate ; the first and second 
quills rather shorter than the third. Tail somewhat 
lengthened, graduated. Feet moderate. Inner toe 
shorter than the outer ; hinder toe shorter than the 
tarsus. 
I. castaneus. Wils. pi. 4. f.1 — 4. tibialis. Parts. No. 67. 
Chbysomus, Sw. (j^^. 243.) Bill resembling Zanthor- 
nis ; but the margin 
of both mandibles in- 
flexed. Wings mo- 
derate ; the first quil 
rather shorter than the 
second. Tail rounded. 
Feet formed for walk- 
ing. Toes large, very 
long, and slender : middle toe longer than the tar- 
sus ; lateral toes equal ; hinder toe shorter than the 
tarsus. Claws long, very slender, and but slightly 
curved. 
icterocephalus. Edw.pl.-323. zanthopygius. Parts. No. 190. 
