cc 



ig6 Motions of the Polype.^ 



*' fmall as not to equal one of their Arms m 

 " Thicknefs -, which, if I can judge by 

 *' their Motion, (for I could not examine 

 " their Form with a deep Magnifier) are 

 " the Worms which produce Gnats, juft 

 " come out of the Egg; befides which I 

 ** fee nothing proper for their Food in this 

 " Water, (I mean for Bulk) except the 

 *' Animalcules which infeft them: and per- 

 *^ haps they are Vermin to them. 



'* I am attempting to nurfe fome of them 

 " up, to fee whether they will not increafe 

 in Size ; and (hould be glad to know 

 whether they are ever found fo large in 

 Ditches as ours are that are kept in the 

 " Houfe. 



This Gentleman has fince informed me, 

 that the Water at the Spring Head is thought 

 fomewhat hard, but is exceedingly fine and 

 well tafted, and, where he found the Po^ 

 types y glides along very leifurcly ; that he had 

 I fought for them within an hundred Yards 



* of the Place, in vain, but that the Mud or 



Soil at the Bottom where he formerly tryed 

 was altogether different, being very thick, 

 heavy and black : that he has been told the 

 Ditch where he met with them was cleaned 

 (as they term it j twice this Summer, which 

 may account for the Lightnefs of the Soil 

 at Bottom : and that there is not a Leaf of 

 the Lens falujiris to be i<^^Yi in it, which he 



afcribes 



