<c 



of producing its Toung, 53 



might be expedled, provided the old One 

 had no Appearance at all of any one 

 thrufting out when it was fet apart, but 

 was only of a moderate Growth. Ac- 

 cordingly I took fuch an One, a Branch- 

 er from the firft, and put it into a Glafs 

 by itfelf, July 23. And in a Week's Time 

 it produced One 5 and fince that produces 

 at the Rate I mentioned before, five in a 

 Week. I was pleafed to find, that the 

 *' two fingle Ones fo exadlly agreed in the 

 ** Number of their Productions, in the fame 

 *' Space of Time; and as they continue to 

 " do fo, I fuppofe this may be allowed a 

 *' Sort of Standard. Permit me to obferve 

 *^ by the Way, that Thefe are fed and iliifted 

 " but once a Day with the others ,but I muft 

 ^' add, that they fomctimes were gratified 

 " with more Worms than One : for being in 

 " fingle Glafl^es they are much more vora- 

 '' cious than thofe are which live in Num- 

 ^' hers together. The fewer together, the 

 " better they feed. 



*' Soon after I had feparated the Second, I 

 " fent to a Friend, well-ikilled in Figures, 

 ^^ to defire him to make a Computation of 

 " the Number which a fingle Polype would 

 '^ produce in a Year's Time, if it could be 

 " done: and on this moderate Suppofition, 

 ** that a Week's Time being allowed for 

 ^' every Brancher that is feparated, e're itbe- 

 " gins to produce : it be fuppofed, afterwards, 



E 3 ''to 



