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power. By tlae help of this, I perceived that thofe parts near the 

 tail, and wliich appeared like two bunches of grapes, were in fadl, 

 the animal's eggs, fo placed together, that there were about three 

 or four eggs in breadtli, and nine or ten in length, joined to each 

 other, but of a roiind lluipe, at each extremity, and the wliole 

 bearing the appearance of a bunch of grapes. 



The eggs v^liich adhered to the tail of thefe two animalcules, ex- 

 hibited a fmall fpot in the middle of them, and round about that fpot 

 a pellucid fubftance ; whereas, on the contrary, the eggs of the 

 other animalcule appeared to me of a greenifh colour. 



The following day fome of thofe eggs, which in the middle 

 had tliat fpot, were miffing, and after fome hours had elapfed, all 

 the eggs were feparated from the tail ; at the fame time I faw a 

 number of the fliells of the eggs fwimming in the water and alfo 

 many minute animalcules of fuch a lize as might be expedled to 

 iflue from thofe eggs. But as all thefe animalcules, though of the 

 fame fize, did not exactly refemble the parent in fhape,- 1 could 

 not thoroughly fatisfy myfelf in regard to them. 



Another animalcule I had placed in a glafs tube by itfelf, and 

 the third day after it being fo put, apart, its eggs began to change, 

 each of them being marked with a fpot, and the external parts be- 

 coming tranfparent. The following day, purfuing my obfervations, 

 "? perceived that all the eggs were feparated from the tail, and a 

 great number of animalcules of the fame flze and make as thofe I 

 had at firll difcovered fwinnning in the water, and moving them- 

 fclves flowly from place to place by ftriking on the water v\ith cer- 

 tain organs they were furnilhed with. 



At fight of all thefe things, 1 was convinced that thofe animal- 

 cvdes which I had before obferved, proceeded from the eggs ; but, to 

 be more certain in this refpedt, I put the parent, with all the young 

 ones newly brought forth, into a clean glafs, into which I had 

 poured about the quantity of a cubic inch of water, in order to fee 

 whether in that water they would increafe in lize, and undergo any 

 change of figure : but, upon viewing them again the following day. 



