( 16 ) Accipitres. 
which corer the membrane of the beak, and the posterior the 
opening of the ear. Their enormous pupil admits so many rays, 
that they are dazzled by the full day. Their skull thick, but of 
a slight substance, has large cavities which communicate with the 
ear, and probably strengthen their sense of hearing; but their 
flying apparatus does not possess great force. Their furcula can 
resist but little. Their feathers, with soft beards and fine down, 
do not make the least noise when flying. Their external toe may 
be directed, at pleasure, before or behind. These Birds generally 
fly during the twihght and moonlight. When they are attacked 
by day, or struck by some new object, they do not fly away, but 
erect themselves, assume strange postures, and make ridiculous 
gestures. Their gizzard- is tolerably muscular, although their 
prey is entirely animal, consisting of mice, small birds, and insects, 
but it is preceded by a large crop; their csecums are long and 
enlarged at the end. Small birds have a natural antipathy to 
them, and assemble from all parts to attack them, for which 
reason they are employed to attract birds into snares. 
FAMILY 1. DIURNiE. 
GKNERA. 
1. VuLTUR, Liii. Vul- 
ture. 
Beak elongated, cur- Part of the head or Wings so long that 
ved towards the end. neck bare. they hold them half 
Eyes even with the extended when walk- 
head, p. 18. ing. 
2. GitiFFON. Gypaetos, 
Storr. Phene, Sa- 
vigny. 
Nostrils covered with Head and neck en- 
stifi* hairs, directed for- tirely covered with 
wards, and a brush of feathers, 
the same under the 
beak. Fig. 31. 
3. Falco, Lin. Falcon- 
Projecting eyebrows, 
making the eyes appear 
sunk, and giving them 
a physiognomy entirely 
different to that of the 
other Genera. Fig. 32. , 
p. 19. 
