“Passing just lately over this

lake…I took up a little of it

in a glass phial; and examining

this water next day, I found…

very many little animalcules.

These animalcules had divers

colours…and the motion of

most of these animalcules was

so swift, and so various upwards,

downwards and round about that

‘twas wonderful to see.”

7 September 1674