Elements of Natural History: Invertebrata. Vegetable kingdom. Mineral kingdom

abdomen animals antennæ antennæ filiform aperture base beak blackish Body oblong branchiæ Brit broad brown cells ciliated colour columella composed compressed conical convex Crustacea cylindrical dentated Dict elongated elytra epidermis exterior extremity eyes FAMILY feet females filaments filiform flattened forceps fossil four furnished genus head inches long Indian seas Inhabits coasts Inhabits Europe Inhabits European Inhabits Indian insects interior jaws labial palpi labium Lamarck larvæ last joint Leach legs ligament lines long Linnæus lobes longitudinal males mandibles margin Maxillæ maxillary palpi Mediterranean sea membranous mouth narrow notched oblique operculum orbicular oval pair papillæ pectinated peduncle polypi posterior posteriorly projecting reddish ribs rostrum rounded scutellum segments setaceous Shell ovate short side slender slightly smooth species spines spinous spire spots striæ striated tail tarsi teeth tentacula terminated thick thorax transverse TRIBE truncated tubes valve whorls wings yellow yellowish