66 CLASSICS OF MODERN SCIENCE 

 1,000,000 of them could not equal the dimensions of a grain of such 

 coarse sand. There was discovered a fifth sort, which had near 

 the thickness of the former, but almost twice the length. 



In snow-water, which had been about three years in a glass bottle 

 well stopped, I could discover no living creatures ; and having poured 

 some of it into a porcelain tea-cup, and put therein half an ounce of 

 whole pepper, after some days I observed some animalcula, and those 

 exceedingly small ones, whose body seemed to me twice as long as 

 broad, but they moved very slowly, and often circularly. I observed 

 also a vast multitude of oval-figured animalcula, to the number of 

 8,000 in a single drop. 



