A Short Explanation of the TABLES, 
56 The two tharp {mall points to which the 
two crooked claws of the arms are united. 
cc The flender legs fet with rough fmall hairs. 
d The membranous ornaments of the upper 
wings. 
Te BL IV: 
. This table exhibits the covered or common Snail, 
EV Gaal: 
The Snail with all its parts entire, without its 
Joell. 
aa The two upper antenne or horns, with a 
certain black {pot ; which is the eye. 
-66 The two lower horns ; without eyes. 
¢ The outermoft lips and the mouth. 
d The aperture, through which the parts of 
- generation iffue ; which is very wonderful. 
e The border or lip of the fnail. 
J The opening through which the excrements 
are excluded. 
g Theaperture through which the Snail breathes. 
hhh The extreme fringes of the Snail, which 
ferve it inftead of a foot. 
& The foft part of the body of the Snail, on 
which appear the fame windings as in the 
fhell, in which the liver is placed in the lar- 
geft part. 
7 The tranfparent heart; furrounded with dots. 
m The Sacculus or alkaline bag {welling under 
the fin. 
# Tranfparent particles formed like a chain. 
PREP it. 
_ The hard fkin or fhell of the Snail. 
z The thell or habitation of the Snail in which 
it hides itfelf. 
s The incifions or divifions on the furface of 
the fhell. } 
Ele G. ¢ EI: 
The Operculum or Cover. 
m ‘The operculum of the fhell of the {nail, 
which fhuts up the thell in the winter, but 
is again opened in the f{ummer. 
Bal Gaal 
A boiled Snail reprefented of a lefs fize. 
o The alkaline bag {welled quite out. 
p The extreme convolutions or windings of 
the liver. 
q The border of the Snail contracted. 
x The teeth as they appear under the fkin 
which is drawn back, and the internal lips. 
Fel G. Vitae 
A part of the firft pair of horns, reprefented as 
magnified. 
a The eye in the middle of the extreme point 
of the horn, placed a little on one fide. 
5 The optic nerve. _ 
c The extreme point of the mufcle of the eye. 
d An interfection of the eye in the middle, be- 
tween the mufcle and the nerve; where the 
eye is firft drawn in. 
eee Small glandulous grains in the outermott 
fkin of the horn. 
f The inner cavity of the horn, which is faid 
to be poffeffed of a mufcle and nerve. 
F I, GeV. 
The brain, nerves, and mufcles: 
1 234 The four horns inverted. 
aa The mutcles of the larger horns. 
6 The two {mall mufcles of the leffer horns: 
cc The four horns of the lips, from which the 
two little ones {pring. 
d The brain. 
e The fkin drawn off the head; by which the 
hinder brain is moved when the Snail rolls 
the fin out again. 
jf The part in which the teeth are fixed, de- 
{cribed by dots, which are of a fubftance be- 
tween horn and bone, and formed like a pear. 
g The parts of the jaws, mouth, palate and 
tongue, which are all moveable, and drawn 
within the body. 
6 A particular part of the ftomach and gullet. 
22 The falival veffels. 
kk The optic nerves of the upper horns. 
// The membranes which extend, and are 
fixed to the optic nerves. . 
m Vhe part of the mufcle in which the optic 
nerve is inferted. 
m ‘The {piral windings of the optic nerve. 
0 The mufcle, which involvesthofe nerves, open. 
p The extreme {welling of the optic nerve, 
q The eye placed in the extremity of ‘the op- 
tic nerve. 
r ‘The nerve of the lower horn of one fide, 
s The origin of the nerves of the lower horns. 
t Two nerves which are difpatched to the lar- 
ger horns. 
v The two nerves of the mouth, jaws, ard 
palate. 
x Part of a mufcle which draws the nerves of 
the mouth together with the jaws, tongue, 
* palate, and brain, inward, at once; ina very 
wonderful manner. 
Eat-G..” Vil; 
The eye, with its particular parts, reprefented 
as magnified. 
a The external figure of the eye. 
666 A mufcle which embraces the optic nerve, 
unfolded, like a gray-coloured membrane. 
c The nerve itfelf, in which the eye is fixed. 
d A part of the inverted horn. 
e The inverted cavity of the horn. 
J The part where the mufcle is faftened in the 
nerve. 
Pol G; 
y 
