[ *76 ] 
They are, at firft,. lefs than the Polypus from which 
they were formed ; but they grow to the fame Size 
in a very little time. 
A Polypus is an Hour, or thereabout, dividing 
itfelf. 
To have a tolerable Notion of this Operation, one 
mu ft haye feen it divers times, and in Polypi placed- 
and fituated in divers different Ways. 
The Lips of thefe Polypi appear to he compofcd 
of four or five tranfparent Stripes, all which have an 
undulating Motion. Whilft the Polypi are opening, 
and that the Motion of their Lips is yet but flow » 
one fees on either Side, when they are in a certain 
Pofition, what one is inclined to take for the Wheels 
of a Mill, in the Polypi that are quite formed, and 
whofeLips move very faft : but one now fees, while they 
are opening 1 fay, what may be rather taken for four 
or five Fingers on either Side of their Mouths; which 
alternately bend down and extend themfelves every 
Inftant, and to which the tranfparent Stripes above- 
mentioned appear to be fixed. 
This fhould be obferved often, and in as many 
various Attitudes as poflible, to avoid being deceived 
by the taking of Appearances for Realities ; which 
happens more or lefs to every Obferver, more efpe- 
ciaily when he firft begins to obferve. Before I ven- 
ture to explain myfelf more particularly upon this 
laft Article, I fhall endeavour to repeat and to purfue 
further, if I am able, forne Obfetvations that 1 have at 
prefent only begun. 
When the firft Polypus is thus divided,and the two 
new ones produced by this Operation are thus com- 
pleted ; one fees on one Pedicle two Polypi ? joined 
to 
