A Short Explanation of the TA BLES. 
FIG. Il. 
The ovary of the field or path-way Snail. 
@ The ovary large and expanded, as it appeared 
fome months after coition, 
56 The little eggs, vifible in the ovary. 
¢ The chain-like little part. 
Bele, a UNG 
The common water Snail. 
@ Its turbinated fhell. 
b&b The eyes placed at the bottom or root of 
the horns. 
¢¢ The horns, which terminate in fharp points. 
d The aperture of the verge. 
e The aperture through which the penis comes 
out. 
J The opening of the uterus. 
gg The verge fitted to the internal furface 
round the fhell. 
4b The tooth. : 
zz The body, by which the Snail creeps and 
{wims. 
Bs MiG Wi 
The internal parts of the wonderous viviparous 
Snail. 
a The Snail taken out of the thell. 
& The head. ce The horns. 
dd Theeyes. e Thevulva. f The gills. 
g The verge. 
6 The windings of the body. 
222 The part which ferves as a foot. 
k The cover of the fhell, which is placed on 
the foot. 
FIG. VI 
The internal parts. 
aa The cover of the Snail prefled clofe a- 
gainft the fore-parts of the body. 
4 The horns and mouth contracted. 
e¢ The Vulva. 
d The fringe or margin, beautifully folded. 
e The end of the ftraight gut. 
F The gills. 
g The uterus, open; containing the living 
fetus. 
FIG. VI. 
Lhe little Worm found alive in the wonderous vi- 
viparous Snail. 
a The oblong figure of the Worm. 
6 The oblong tranfparent furrows or ridges 
which appear in the body of the Worm. 
FP Go! Vi 
Two fmaller Worms, which ifiued out of one of 
the Worms in diffecting. | 
@ Its thick head. 6 The flender tail, 
xi 
FIG. IX. 
A fall live Snail, found in the uterus of the 
wonderful viviparous Snatl. 
a The fize of that {mall Snail, equal to that of 
a common pea. | 
Pt GMyks, 
The fhell of that fmall Snail, as magniped. 
46 The beautiful conftruction of the thell. 
ceccecce Seven rows of briftly hairs, with 
which it is f{urrounded. 
EVEG.*? XI, 
Perfeé eggs found in the uterus of a viviparous 
Snail. 
aaa The little navel-ftring by which they are 
fixed to the uterus. 
66 The double navel-ftring of one of the eggs. 
cece A {mall Snail, fticking in an Ege, 
dd The fame taken out of its egg. . 
e ASnail, fticking in itsegg, which fell to the 
bottom, when the fhell was fufpended by its 
firing. ‘ 
Fide Geox ih, 
A fmall Snail taken out of its egg, and magni- 
nified by the microfcope. 
a @ Its eyes, black like pitch. 
b The horns. c¢ The mouth, 
d The reft of the body. 
e The operculum, or cover annexed to the tail, 
JF The thell of the fnail. 
FE) Gio SHI, 
The fhell of the viviparous Snail, reprefented in 
its natural fize, cleared of tts foulnefs and pe- 
riofteum ; in order to foew, the more diftinchly 
its form and confiruction. 
FIG. XIV. 
The fea Snail, called by the Hollanders Alickrayh; 
they are found among mufcles. 
a The Snail itfelf, with its little horns, eyes, 
and foot. 
6 The part where the fhell of this Snail is of a 
globular form. oe ; 
¢ Prominent hollows or channels on the fur- 
face of the fhell. st 
12345 The windings of the fhell. 
FRG. XV. 
Another fpecies of the Snail, called Alickruyk, 
commonly fold in Amferdam. 
d A kind of wreaths, which furround. the 
fhell, adorned with a colour like that of 
muik, in the interftices of which the fhell 
appears green. 
| e Five 
