i j.8 Of Animalcula in Fluids. 
fwallow down other fmaller animalcula that happens to 
he within the reach of their mouths. At certain times 
all the hairs at the hinder part of their body which ftand 
upright, are feen to lie down from E F to B. -The cir¬ 
cumference of the body feemed indented like the teeth 
of a faw, which upon a clofer examination was difcovered 
to be ringlets lying one over another, coming out with 
a farprifing fwiftnefs, and fometimes even the nervous 
fibres were vifible, extending from head to tail, fwelling 
and contracting alternately as they crawled along. 
A mixture of the infufions of hay and celery, does no 
hurt to either of the animalcula of the two liquors; but 
the leaf!: drop of this mixture affords a very pleafant 
profpeCt to the fpeCfator, who will in an inftant difcover 
variety of thefe fifh-like animalcules of different forts, 
moving in all directions. 
See alfo a defign of another aquatic caterpillar at fig. 
255. it was fiftied out of an infufion made of the ftalks of 
a nofegay compofed of pinks, jeffamin, tuberofe, and 
other flowers; this differs from the foregoing: firft, in 
being longer 5 fecond, that its tail marked I, is com¬ 
pofed of three points inftead of two; third, that it hath 
two little arms L M, one on each fide its heart a j 
fourth, that its inteftines marked b are without any vi¬ 
fible feparation; and laftly, that neither ringlets, faw- 
like teeth, nervous fibres, nor hairs in the length of its 
tail could be difcovered in this animalcule, but in all 
other refpe&s it was the fame as the foregoing cater¬ 
pillar. 
