[ 646 ] 
carefully examined it, and fo allured myfelf that 
there was no Polypus upon it. I expe&ed that fome 
! ’Polypi would foon detach themfelves from the cluf- 
ters, and that fome of thofe Polypi would fix upon 
the horfetail, whereby I fhould be enabled to fet 
them apart, and to obferve in other glafies the pro- 
grefs of the clutters, which would, as I made no 
doubt, be foon produced from them. 
It was on the 30th of May , that I fet the cluf* 
ters apart in the glafs; on the 31ft I could difcover 
nothing new, and on the ift of June I had no op- 
portunity of obferving ; but on the 2d in the morning 
I found againft the fides of the glafs feveral fmali 
clutters of Polypi , of the fpecies I am now treating 
of. I was furprized to find them fo far advanced, 
for they could not have begun at the fooneft be- 
fore ten a clock at night, on the 30th of May. I 
faw on the 2d of June in the afternoon upon the 
flip of the horfetail, which I had placed in the fame 
glafs with the clutters of the Polypi , a fmali body, 
which, as I had all reafon to believe was newly fixed 
upon it. I then took out the flip of the horfetail, 
and I lodged it with the fmali body that was upon 
it in another glafs i after which I examined that 
fmali body with my microfcope, by the help of the 
apparatus firft above defcribed. 
I then found that this body was much larger 
than any of the Polypi of the prefent fort, and of 
a figure very different from them (Fig. 8.) This 
made me fuppofe that this body was not of 
the fpecies of the Polypi now before us, and 
that it was not from any thing of this fort that 
I was to expeft the produ&ipn of a clutter of 
this 
