[ 100 ] 
THE 
HISTORY 
O F 
ANIMALS. 
PART II. 
Of the Animals dijlinguijhed by the title of Amphibious. 
T H E lungs of thefe creatures are fo formed , that , though refpiration is necef- 
fary to them y yet it is not requijite to be performed at Jhort intervals 5 
whence they can remain a long while under water without fuffocation , and many 
of them fpend a very conjiderable part of their time there . 
*The Amphibious animals may conveniently be arranged under two feries ; the frjl com¬ 
prehending thofe which have no legs } the others thofe which have * 
BOOK I. 
Of SERPENTS. 
Amphibious animals which have no legs . 
C 1 C I L I A, 
T H E body of the Caecilia is naked, but there are a number of rugae or wrinkles 
at the fides : the upper lip is prominent beyond the reft of the mouth, and has 
two tentacula : there is no tail. 
This genus, in a manner, conneds the Infed and Amphibious tribe j many cha- 
raders of the generality of Serpents being wanting in this, and much of the ftrudure 
of the fofter infeds appearing in it. 
Ccecilia rugis centum et triginta quinque . 
The Ccecilia , with a hundred and thirty-jive rugae. 
This is a very Angular and extraordinary animal; it never grows to any very great 
fize: it’s colour is a cfufky brown, fomewhat paler on the belly than on the back, and 
it’s thicknefs not great in proportion to it’s length; the back is fmooth, and has a 
flefhy appearance ; the belly is ftill fofter, but at the fides there are frequent wrinkles, 
which form a number of undulated lines orfurrows, making a kind of indentings: the 
head is fomewhat flat, and approaches to an oval form j the extremity is pointed and 
thin, being formed only of the prominence of the upper jaw j there are two fhort and 
fiender tentacula on it. 
It 
