CARINATE
Dictionary of Science, Literature and Art · 1842 · p. 8
Heteropod ous MoUusks, characterized by having the viscera, as the heart, liver, branchiae, generative organs, ., protruded from the body, and encased in an extremely fragile, beautiful, sub-transparent, symmetrical, compre ed shell. The summit of the shell is slightly involuted, but never enters the aperture; the convexity of the shell is terminated by a single keel. CARINATE. {hat. carina, a keel.) In Zoology, when a surface has a longitudinal elevated line, like the keel of [s. 210]
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