35$ Of C 4 luflering Polypes . 
Colony, the deferted Pedicle becomes 
mediately defdtute of Motion ; and when all 
of them are gone (as often happens) the 
Stem and Pedicles, though drill adhering as 
they did before, are unable to move at all. 
The main Stem grows large in Proportion 
to the Number of its Branches, which fome- 
times are very numerous 5 fo that it is pro¬ 
bably a Continuation of all the Tails or Pe- 
dicles of the little Animals conjoined toge¬ 
ther. The Stem and Pedicles look ufualiy 
yery tranfparent, and like hollow Tubes. 
The feveral Species of thefe Polypes are 
pearly alike as to the above Particulars, and 
differ chiefly in the Length and Size of their 
little Bodies, and the Apparatus wherewith 
their Mouths are fiirnifhed.——-Amangft all 
I have any Knowledge of, no Sort is more 
common than that represented at N° vi. 
When the little Animals of this Species 
ftretch themfelves out and open their an¬ 
terior Ends, each of them appears of a Bell- 
fafhioned Figure, with a Kind of Lip turn¬ 
ing itfelf outwards round the Rim of the 
Bell, which Lip is furnilhed with Num¬ 
bers of Fibrillce that vibrate nimbly in the 
Water, and caufe a Vortex reaching to a 
furprizing Diflance, in Proportion to trie 
Smallnefs of the Animal : which f ortex is 
fhewn a a. - When great Plenty of thefe 
are lodged together on a Snail, Leaf, or 
other Body, they feem of a whitifh Colour 
to 
