172 A Courfe of Experiments 



the Mouth formed a Circle round the Arms." 



where turning very much outwards, they 



feemed endeavouring to fold themfelves down 



the Sides of the Body, and bring it to rights 



again. 



The prefent Outfide appeared of a white 

 Colour, flabby, uneven, and in many Places 

 as if torn. The Body was ihort in Propor- 

 tion to its Thicknefs, and the Tail-End 

 roundi(h, but irregular: occafioned by the 

 Tail's lying within the Body. 



The Arms, in a little while, extende4 

 themfelves pretty much, at which Time the 

 Figure of it was as reprefented below. 



I turned this Polype at eleven o'Clock in 

 the Morning, and obferving it again about 

 five in the Afternoon, found it then on the 

 Tail-End, waving about its Arms. The 

 Head or Mouth-Part being placed upwards, 

 and direftly under my Eye, appeared by the 

 Microfcope as a large wide round Opening, 

 like the Mouth of a China Jar: down which 

 I could fee fo diflindtly, as clearly to difcern 

 feveral of the Lice, which had been on the 

 Outfide when I turned it, now crawling 

 about nimbly within the Body, whofe Sides 

 kept afunder, and formed a confiderable 



Cavity, 



