158 
AVES. 
r 1. Femora , the thighs, Q. 
s- 1. Acrostarsium, the front of 
2. Tibia, the part from J the leg, S. 
the foot to the i 2. Planter, the back of the 
thigh, which con- j leg, T. 
tains 3 parts, R. ^ 3. Calcaria, the spurs, as in 
the domestic cock. 
p ^-The foot, j" 1. Digiti, the toes, U. 
\ Pes, or \ which j 2. Hallux, the great?or hind 
) Tarsus. / contains toe, W. 
3 parts. L 3. Ungues, the claws, V. 
The bones of the wing are, first, the Brachium, fig. V. 
A. A. —second, the Cubitus, B. B. —third, the Carpus, 
C. C .—fourthly the spurious wing bone, D. 
VIII. Crus, the 
leg, which is 
divided into 3 
parts. 
ORDER I_RAPACES. 
Bill short, robust; base of the upper mandible covered by 
a membrane or cere ; sides compressed ; point hooked ; nostrils 
open ; legs very strong, muscular, and short; occasionally of 
medium length, covered with feathers to the knee in some spe¬ 
cies, and to the toe in others; feet with three toes before and 
one behind; divided, or united at the base by a membrane; 
rough below; claws powerful, hooked, sharp, and retractile. 
Genus 1.—VULTUR.— 
Generic Character .—Bill thick, short, its depth greater than 
its breadth; covered at its base by a cere; upper mandible near¬ 
ly straight, bent, downwards near its point; lower mandible 
straight, rounded, inflected at the point; head in some species 
naked, in others covered by a short down ; nostrils lateral, 
naked, and opening obliquely towards the margin of the cere ; 
legs robust, provided with slightly bent talons; the middle toe 
longest, and united at the base with the exterior one. 
