Sentence Examples


  • The morphology of the group thus falls naturally into four sections - (I) the hydropolyp, (2) the polyp-colony, (3) the hydromedusa, (4) the medusa-colonies.
  • Since, however, medusa-colonies occur only in one group, the Siphonophora, and divergent views are held with regard to the morphological interpretation of the members of a siphonophore, only the first three of the above sub-divisions of hydromedusa morphology will be dealt with here in a general way, and the morphology of the Siphonophora will be considered under the heading of the group itself.
  • W, The parasitic hydromedusa Mnestra, usually found attached in this position by the aboral pole of its umbrella.
  • 4501, serves to show that Trichoplax is the planulalarva of a Hydromedusa.) A, a small specimen drawn from life (X 20).
  • A scyphomedusa is distinguished from a hydromedusa chiefly by the following points.
 

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