from The Century Dictionary and Cyclopedia

  • In Cuvier's system of classification, the second order of Infusoria or Animalcula: approximately equivalent to Protozoa, though including some Infusoria proper, as Urceolaria, with Cercaria (Spermatozoa), Vibrio, Proteus, Monas, Volvox, etc. It is thus a heterogeneous group, like the Polygastrica of Ehrenberg.
  • [lowercase] Plural of homogeneum.


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