ORDER V. The INFUSORIA, consists of very small simple animals.—This order contains 15 genera, viz. Brachionus, Vorticella, Trichoda, Cercaria, Leucopera, Gonium, Colpoda, Paramecium, Cyclidium, Burfaria, Vibrio, Eucellus, Bacillaria, Volvox, Monas.
For more particular information concerning the several branches and subjects of zoology, the reader may consult the various articles above referred to, and he will find most of the genera described in their order in the alphabet.