. Contributions to the natural history of the United States of America. Zoology; Chelonia (Genus); Ctenophora; Cnidaria; Animals. BOLIXA ALATA, Ag. (Seen from the broad side.) a and / Long rows of locomotive flappers. — g and k Short rows of locomotive flappers. — a Central black speck (eye-speck).— i to m Triangular digestive cavity. — i to o Funnel-like prolongation of the main cav ity, — V Chymiferous tube of the tenta cular apparatus. — tn Tentacular appa- ratus on the side of the mouth. — rr Ear- like lobes, or auricles, in the prolongation of the short rows of locomotive flappers — tt Pr
. Contributions to the natural history of the United States of America. Zoology; Chelonia (Genus); Ctenophora; Cnidaria; Animals. BOLIXA ALATA, Ag. (Seen from the broad side.) a and / Long rows of locomotive flappers. — g and k Short rows of locomotive flappers. — a Central black speck (eye-speck).— i to m Triangular digestive cavity. — i to o Funnel-like prolongation of the main cav ity, — V Chymiferous tube of the tenta cular apparatus. — tn Tentacular appa- ratus on the side of the mouth. — rr Ear- like lobes, or auricles, in the prolongation of the short rows of locomotive flappers — tt Prolongation of the vertical chymife- rous tubes. —n n The same tubes turning upwards.—XX Bend of the same tubes. — zz Extremity of the same tubes meet- ing with those of the opposite side. — to Recurrent tube anastomozing with those of the auricles. BOLINA VITREA, Ag. I' U long ambulacra.—ri l^ short ambulacra. —/ funnel. — d diges- tive cavity.—f tentacular tube. — yi X^ auricles. — I I anterior and posterior lobes.—10- tenta- of colors is so faint as scarcely to be noticed. I have not been able to make a thorough study of tliis species, and therefore limit myself to calling the attention of naturalists to its occurrence on the shores of the coral reef of Flor- ida. F/ff. 93 gives an outline view of this species; and a comparison with Fiff. 94, which represents the northern Bolina alata in the same position, may show their specific difference. Mnemiopsis Garden: A(/. "While residing upon Sullivan's Island, near Charleston, South Carolina, I occasion- ally caught, during the winter, about , cie. the breakwater near the Fort, speci- mens of a species of Acaleph somewhat resembling Bolina, but evidently constituting a distinct genus, which I pro- pose to call Mnemiopsis, on account of its still greater resemblance to Mnemia. It is at once distinguished by the deep furrow separating the anterior and posterior lobes from the lateral spherom
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