...or film will be discerned on the surface, which, under the microscope, will beseen to be inbabited by several descriptions of animalcules ; the first produce are commonly those of the simplest kinds, such as the Monads. In a few days more, their numbers will increase to such an amazing extent,...

...be frustrated. Immerse these, whatever they may be, for a few days in some clear water, wheii, it' the vessels which contain them be not agitated, a...again, they will begin to diminish in numbers, and 1 have generally observed them supplanted by others of a larger species and more perfect organisation;...

...will be seen to be inhabited by several descriptions of animalcules; the first produce is generally of the simplest kind, such as the monads. In a few...impossible to compute those in a single drop of the fluid. They will afterwards diminish in numbers, and then be supplanted by others of a larger species and...