158 BOA, BOS, 
3-—-3. Boa. Spec. 14. 
constrictor, (speckled giant-snake,) plates of the 
belly about 240, of the tail 60. Often 36 feet 
long. 
See MS. P. 
4—3. Bopianus. Spec. 45. 
serranus, (sea-perch,) having prickly apercules. 
See MS. P. 
8—12. Bompy.iius. Spec. 9. 
major, (humming-fly,) black, with thick yellowish 
down; wings with a broad sinuate black outer 
margin. Antenne united at the base. 
zegualis, body covered with cinereous hairs, with a 
broad equal black outer margin. Antenne 
united at the base. 
See MS. P. 
i—7, Bos. Spec. 9. 
taurus, (ox, bison,) horns round, turning outwards 
from their origin ; having lax dewlaps or fold- 
ed skin before the breast. Var. d¢son, horns 
bent forward; back gibbous, having a long 
mane. 
americanus, (spanish ox,) horns round, distant, 
pointing outwards ; mane long, woolly ; back 
gibbous. | 
bubulus, (buifalo,) horns resupinate, turned in- 
wards, flat on the foreside. 
moschatus, (musk ox,) horns approaching at the 
base, broad, bent inward and backward ; tips 
bent outwards and pointed. 
See MS. P. 
