CALCAREO-THORACIC

adj. Ka2l-ka"re2-o-tho-raV i2k. From calx, lime, and 6tapa (see THORAX). Calcareous and homologous with the gill-covers of fishes (applied by Oken to the shells of the Lamellibranch i at a). [L, 296.] [s. 20]