Usage examples (8)

• Here then was the cup or calyx of a definite vorticellan form changing into (?) an absolutely different infusorian, viz.,
• At the end of each branch is situated an infusorian (vorticella), and the whole colony represents in itself the genealogical family tree.
• The difference between man and the infusorian is only that in the former the cells which originate from the double cell (the fertilized ovum) remain together and become...
• And it may be asked what advantage, as far as we can see, would it be to an infusorian animalcule—to an intestinal worm—or even to an earthworm, to be highly organised.