Sentence Examples


  • In cases where the cormus has no pneumatophore the topmost swimming bell may contain an oil-reservoir or oleocyst.
  • The pneumatophore or air-bladder (fig.
  • - Porpita, seen from above, keeps the cormus at or showing the pneumatophore and exnear the surface of the panded palpons.
  • As in the analogous swim-bladder of fishes, the gas in the pneumatophore can be secreted or absorbed, whereby the specific gravity of the body can be diminished or increased, so as to cause it to float nearer the surface or at a deeper level.
  • Never more than one pneumatophore is found in a cormus, and when present it is always situated at the highest point above the swimming bells, if these are present also.

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