Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
testacean .
Etymologies
Sorry, no etymologies found.
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Examples
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There are two others found in shells resembling those of the testaceans.
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As compared with one another the testaceans present many diversities both in regard to their shells and to the flesh within.
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In the Euxine there are no small molluscs nor testaceans, except a few here and there; but in the Red Sea all the testaceans are exceedingly large.
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So much for the external and the internal organs of molluscs, crustaceans, and testaceans.
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Again, just as in testaceans and in plants there is what bears and engenders, but not what impregnates, so is it, among fishes, with the psetta, the erythrinus, and the channe; for these fish are in all cases found furnished with eggs.
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Even in the case of the testacean we speak of spawning (or pregnancy); but whereas the crustaceans may be seen coupling and laying their spawn, this is never the case with testaceans.
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Indeed, broadly speaking, the entire genus of testaceans have a resemblance to vegetables, if they be contrasted with such animals as are capable of progression.
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Such, then, of the testaceans as deposit the honeycomb are generated spontaneously like all other testaceans, but they certainly come in greater abundance in places where their congeners have been living previously.
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In animals that live confined to one spot there is no duality of sex; nor is there such, in fact, in any testaceans.
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With regard to testaceans, of the walking or creeping species the urchin appears to have the least developed sense of smell; and, of the stationary species, the ascidian and the barnacle.
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