Definition of Genus hydra
1. Noun. Hydras.
Group relationships: Class Hydrozoa, Hydrozoa
Member holonyms: Hydra
Genus Hydra Pictures
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Lexicographical Neighbors of Genus Hydra
Literary usage of Genus hydra
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Proceedings of the Linnean Society of New South Wales by Linnean Society of New South Wales (1886)
"IX., page 345 of these Proceedings), I mentioned three species as the Australian representatives of the genus Hydra. I found afterwards that the specimens ..."
2. The American Monthly Microscopical Journal by Chas. W. Smiley (1880)
"The third and last species to be certainly distinguished, hitherto the only such a one of the genus Hydra remains H. viridis. In Science Gossip we find an ..."
3. The Standard Natural History by John Sterling Kingsley, Elliott Coues (1884)
"This, the lowest sub-order, has for its type the genus Hydra, which has already been described at length. No other genus belonging to this group is known. ..."
4. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and (1910)
"They may prove eventually to belong to other orders. Hence only the genus Hydra, can be considered as truly representing the order ..."
5. The Micrographic Dictionary: A Guide to the Examination and Investigation of by John William Griffith, Arthur Henfrey (1883)
"It may be observed with a power of 200 diameters ; but a higher is requisite for minute investigation. (See ROTATION.) It contains the single genus Hydra. ..."