By means of a solar microscope, I have seen the animalcula in vinegar several inches in length, some of which had the appearance of eels, and in motion.
Perhaps the animalcula or infusoria furnish the best example.
I confess, however, there is a very great difficulty in imagining any one spot to be the birthplace of the millions of millions of animalcula and confervae: for whence come the germs at such points?
Some of the water placed in a glass was of a pale reddish tint; and, examined under a microscope, was seen to swarm with minute animalcula darting about, and often exploding.
In objection to this theory of generation it may be said, if the animalcula in femine, as seen by the microscope, be all of them rudiments of homunculi, when but one of them can find a nidus, what a waste nature has made of her productions?
There is no doubt that animalcula of sorts get into these cavities and probably die there.
Nor is that all, for if you take a hand-lens and examine these dust particles very closely, you will very probably find small animalcula moving about.
There is no difficulty in conceiving that the sea may be stocked with animalcula for this purpose, as we find all nature crowded with life.
The strong devoured the weak, until the most diminutive of the animalcula were reached, when these turned on their persecutors, and profiting by their insignificance, commenced devouring the strongest.
Tell me something more about the animalcula that cause the phosphorescence yonder--making the top of each wave look like a fringe of fire.
As to the last, Mr. Leewenhoeck has cleared that difficulty, by the discovery of innumerable Animalcula Seminis Maris in Cornubus Uteri, and those living a considerable time after Coition.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "animalcula" in a variety of sentences. We hope that you will now be able to make sentences using this word.