Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
genus within thefamily Porpitidae — the blue buttons.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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In his famous monograph of the Radiolarians, Haeckel suggests that they are probably secreting cells or digestive glands in the simplest form, and compares them to the liver-cells of Amphioxus, and the "liver-cells" described by Vogt in _Velella_ and _Porpita_.
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_Porpita_: it has the flat form of the latter, but is provided with a sail, which it can draw in at will.
A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2
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_Porpita glandifera_, and a new species of globular form; a _Velella_; two new species of Acalephes, of the same family as the _Diphyes_; and further _Pelagia panopyra_, and two other very small species.
A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2
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