AMPHIBIA. SERPENTS. 6. Crotalus- 
ORDER II. SERPENTS. 
Alouth breathing by the lungs only ' 
peringi neck not dijlinti; jaws 
not articulate : feet, fins, ears o ' 
undulatory. 
6 . CROTALUS. Plates on the belly : f 
and fcales under the tail : tail - 
nated by a rattle. 
,ous 
The whole of this genus is fiirnlihed with gji 
they fcldom bite unlefs when irritated, or for the P'i'Yh 
lecuring their prey ; and the ' frfeinating power tl’*' 
lucix pi try ; ana tne incinating powei 
been attributed to them is probably nothing more 
they firft bite the anirnal and patiently watch tiU 
devour it. The rattle is compoled of hollow, homy>y^ poti<^‘ 
.f. **rs.iaLiiw ia tuiiipuitru U1 ilOllOW, - Jjw 
joints, which increafe every year as far as 40, and ]i(f 
jt/itiL.3, liiLicdic every year as nr as 40, 
of the animal’s approach ; head broad, covered 
carinate fcalcs ; beak rounded, obtule. 
Mihariiis. Plate of the belly 13; of the tail 31. 
S Inhabits Carolina. ’ . jf' 
Cinereous with a triple longitudinal row of black ' 
fpot between the dorlal ones; 
ferpen‘ 
tn 
Horridus. Plates of the belly 167 ; of the tail 23. 
<J Inhabits America : the moft venomous of the , 
grows to near 6 feet long, and as thick as a ican'* jiii 
eaten by Iwliie without injury ; preys on birds and . 
ler quadrupeds ; body covered with triangular bro'’'’^ 
and as thick as a ni»n * jiiia' 
Dryinas. Plates of the belly 165 ; of the tail 30. 
g Inhabits America, Whitifh with yellowiih Ipots* 
Duriffus, 
<s 
Plates of the belly 172; of the tail 21. 
J. 
