A Short Explanation of the BRA BLES. 
& The ftomach. 
d The ftraight gut: 
FRG. EM 
The veffels of the liver. 
¢ The {mall guts 
@ Several veflels of the liver feparately repre= 
fented. 
FTG. Ux 
The genital parts of the male and female; 
a The penis. 
_ 606 The length of the penis, and the extreme 
point of it. 
cece The uterus. dd 'The ovary. 
e The teéfticles, which are {mall filaments that 
{pring from two trunks. 
f The hidden appendage of the uterus. 
g The common dué between the penis and 
uterus: 
hb The oblong vas deferentia. 
2 Its {mall tube, which opens itfelf into the 
uterus. 
& The pear-fhaped little ball, in which the 
purple Snail keeps its purple liquid. 
Z A little part twifted like a chain. 
m Its duct, or little pipe. 
nun The ligament of the uterus. 
o The mutcle which leads the penis outward. 
p The mulcle which draws the penis inward. 
q The nerve of the penis, 
r The mouth of the vulva. 
s The broad mufcle of the uterus. 
~ The flender mufcle of the uterus. 
v The nerve of the uterus. 
z The extremity of the chain-like little part. 
FIG. XI. 
The tefticles. 
x. The little tubes of the tefticles, confifting of 
filaments, of which fixty-fix are reckoned. 
FIG. XII and XIII 
The blind appendage of the uterus opened, with the 
Jfaline bony contents. 
y The blind appendage of the uterus divided 
in the middle, between which the faline 
bony part, which readily ferments in aqua 
fortis, is feen. 
-a The root of the faline bony part, by which 
it is joined to the mufcular and nervous pear- 
fhaped globule. 
& The fine fmooth part of it, which is all hol- 
low; and by degrees becomes more flender 
and acute. 
c The pear-fhaped globule, to which the fa- 
line bony part is fixed. 
N. B. Here again we have marked a fingle fi- 
gure with a double number, becaufe we 
could only find, in the Tables, the XIIth 
Vil. 
figure, although in the body of the work, 
and in the fhort explanations of the tables, 
we find the XIlth quoted: but this is of 
{mall importance, as the figure which we 
have given contains all the particulars that 
we want: 
BT Gia Xv: 
A particular finall flony, or faline bony part; 
as feen by the microfcope. 
dddd The four margins, or furrounding backs: 
e The cavity fttetched out in the middle of 
the boney part. 
FIG. XV. 
The chain-like part: 
a The extremity of the chain-like part un 
folded, in order to fhew its conftruction. 
FIG. XVI: 
The uterus. 
r Exhibits the cavities of the uterus blown up; 
in order to fhew how the divifions of it are 
formed. 
FIG. XVIL 
a Here are feen in the neck of the amorous 
Snail, the external opening of the vulva, or 
genital parts, which with the part under the 
penis, and the appendage of the uterus, to- 
gether with all the fpermatic veffels have 
been already reprefented in fig. X. let, r. 
FIG. XVII. 
The penis and uterus themfelves turned out and 
erected. 
6 The penis and uterus turned out and erected, 
and ftretched out beyond the neck. 
zz ‘The two upper horns. 
k One of the lower horns, which is then a 
little removed from its place. 
FT Ge UXIX. 
The penis, and internal orifice of the womb. 
c The penis only, not wholly, turned out of 
its cavity, and erected. 
d The internal orifice of the womb alfo a little 
turned out, and extended out of the neck. 
/ The lower horn removed from its place, to- 
ward the horn of the other fide. 
Get 
Of their copulation. 
e The penis of one of the Snails rolled out. 
jf The apperture of the uterus of the other 
Snail, admitting the penis of the former. 
! go The 
