f 5S' Of Anim'alcula in Fluids. 
■At fig. 299. is exhibited another kind of eel-like ani- 
m a leu hi of great vivacity. 
Another of a larger fize is alfo reprefented at fig. 300. 
that had been dead for fome time, when by chance a little 
eel e was difeovered fluttering very much to get out of 
the belly of its mother, but not being able to do it, at 
Iaft died therein. 
This observation is a fuffieient proof that the eggs of 
thefe eel-like animalcula are hatched in their mother’s 
body. 
Fig. 301. reprefents an animalcule, called a weaver’s 
(huttle; it fwims fmoothly, having in the middle of its 
body feveral little corpufcles refembling eggs. 
Fig. 302. is called the beak of an halbert, its head ends 
in a point; the other extremity of its body is like a drop, 
and upon the throat are feveral long hairs. 
Fig. 303. is called a water-fpider; it is of a fpherical 
figure, with feveral brown parallel lines, between which 
are fome fpots browner than the reft of their bodies. 
Fig. 304. is called a drop, its body uniform and tranf- 
parent, its neck long, but a little crooked. 
Fig. 305. is called a flug, its head is round, tail fharp, 
body large in proportion to its length, and becomes fo 
fliort in motion as to appear pretty regular. 
Fig. 306. is called a water caterpillar, they are found 
of different forts, and in feveral infufions of plants; it has 
been before obferved, that the hairs, of which we have 
elfewhere fpoke, are planted on the two lips of this cater¬ 
pillar, which feem to turn at certain times like the rowel 
of a fpur. 
Fig. 307. is called the great aquatic fpider, its figure 
fbmewhat evalifh, mouth a little funk, which appears 
fome- 
e Joblotfs Gbf. tv. 76. 
