A genus valued on account of the beauty, symmetry, and variety of its species; some of its shells are very rare and remarkable for their richness of colouring; some are coronated, and others have a plain spire. They are all covered with an epidermis, beneath which is generally a smooth surface, with sometimes a high polish; a few are granulated and tuberculated. They are found in great abundance in the seas of warm climates. Shell conic, covered with a membranous periosteum, thick, solid, involuted; the summit of the cone anterior; the spire little or not at all projecting; aperture longitudinal, very narrow, turning towards its anterior extremity; the external edge straight, with oblique plaits in its anterior part; operculum very small and horny, sub-spiral, with summit terminal. Conus marmoreus. C. Bandanus. C. nocturnus. C. Nicobaricus. C. araneosus. C. zonatus. C. imperialis. C. fuscatus. C. viridulus. C. regius. C. tulipa. C. geographicus. C. punctatus. C. tæniatus. C. musicus. C. miliaris. C. mus. C. lividus. C. Barbadensis. C. roseus. C. cedo-nulli. C. aurantius. C. nebulosus. C. minimus. C. sulcatus. C. Hebræus. C. vermiculatus. C. arenatus. C. pulicarius. C. fustigatus. C. obesus. C. varius. C. millepunctatus. C. literatus. C. eburneus. C. tesselatus. C. generalis. C. Maldivus. C. Malacanus. C. lineatus. C. monile. C. centurio. C. vitulinus. C. vulpinus. C. flavidus. C. virgo. C. daucus. C. pastinaca. C. capitaneus. C. classiarius. C. vittatus. C. mustelinus. C. vexillum. C. Sumatrensis. C. figulinus. C.