[iii] 
The Figure of the Frejlo-water Polypus, flicking to a 
Twig . 
Obfervations and Experiments upon the Fresh- 
water Polypus, by Monfieur Trembley, at 
the Hague. Tranjlated from the French by 
P. H. Z. F. R. S. 
Hp H E Animal in queftion is an aquatick Infeft, of 
which mention is made in the Bhilofophical 
TranfaFtions for the Year 1703. N Q . 283. Art. IV. 
fag. 1307. and N°. 288. Art. I. fag. 1+94. 
It is reprefented in the Figure annexed. Its Body 
A B. which is pretty Bender, has on its anterior Ex- 
tremity A. feveral Horns A C. which ferve it inftead 
of Legs and Arms, and which are yet (lenderer than 
the Body. The Mouth of the Bolypus is in that 
anterior Extremity 5 it opens into the Stomach, which 
takes up the whole Length of the Body A B. This 
whole Body forms but one Pipe ; a fort of a Gut, 
which can be open’d at both Ends. 
The Length of the Body of a Toly put varies accord- 
ing to its different Species, and according to many 
other Circumftances, to be mentioned hereafter. 
[ a 2 ] I know 
s 
