Of the Wheel Animah 287 
fame Way, and refembling as many 
Hooks. The different Parts of the 
Anima], as before defcribed, are ex¬ 
plained by this Figure. 
Fig. 7. fhews the Animal turned with its 
Side towards the Eye, as it frequently 
prefents itfelf. The Wheels here have 
the fame Appearance as in the pre¬ 
ceding Figure : but one of them lies 
confiderably below the other, the whole 
Body being fomewhat twided, whereby 
the Horn under the Thorax is didindly 
brought to View. 
Fig. 8. and 9. exhibit two of thefe Crea¬ 
tures in the Poftures they are often feen, 
when the Wheels are not thrud out, 
but the Fibrillce appear moving up and 
down with very quick Vibrations. We 
fee particularly in fig. 9. the whole 
Space between thefe Parts gaping like 
a wide Mouth, and different from any 
of the former Figures. 
To defcribe the many Podures I have 
feen this Creature in would be a Wade of 
Time ; but the Manner of its changing, 
when it pieafes, into a round Globule or 
Ball, is fo remarkable a Part of its Hidory, 
that I mud attempt to give, the bed Account 
of it I can; as I have many Times obferved 
very attentively every Step in, its Metamor- 
phofis. 
After having turned about its Wheels, in * 
5 various 
