l88 A Courfe of Experiments 



<« Appearances in Polypes which have not 

 *^ been cut; one of diem not at all, the 

 *^ other only Part of two Arms taken off. 



" The jfirft, whofe Figure is fhewn below, 

 " was a Polype which contradled itfelf the 

 ^^ twenty-fifth of Augujly fo that none of 

 *^ its Arms were difcernable, and became 

 " of a dark brown Colour. This I attri- 

 *' buted to fomething in the Rain- Water j 

 *' and, upon Examination, found the Wa- 

 *^ ter had come from a Place where fome 

 ^^ Lime had been left. 



'* I immediately changed the Water, and 

 ^' the Polype the next Day extended itfelf a 

 *^ little, but ftill the Arms were invifible. 

 *' In this Condition it remained, although 

 " the Water was daily changed, till the fe- 

 *^ cond of September^ at eleven o*Clock, 

 ^* when I difcover'd the Head and Arms 

 *' extended by my naked Eye ; and exami- 

 " ning it with the Microfcope it appeared 

 *' invelop^d in a thick Cloud, or Skin, of 

 I "a blewifh 



