STTLINA. 285 



appearance of cones, tlie outer lips being thin. There are also 

 several species which do not, even when full grown, thicken 

 their outer lips very considerably. The genus Strombus is dis- 

 tinguished from Eostellaria, by the notch ia the outer lip, which 

 in the latter genus is close to the canal. Eiffcy-seven species are 

 enumerated in the Thesaurus Conchyliorum. S. pugilis, PI. 

 xviii. fig. 406. 



STEOPHOMENA. Eafinesque. Okthis, Dalman. 



STEOPHOSTOMA. Deshayes, 1827. A fossil shell, of the fa- 

 mily of Colimacea, Lam. in some degree resembling Anostoma, 

 having the aperture turned upwards towards the spire, it is, 

 however, umbUicated, and it is said to have an operculum, 

 resembling that of Cj^clostoma. It is the Perussina of Grate- 

 loup, 1826, one year earlier, and therefore the right name. PI. 

 XXV. fig. 534, 5, 6. 



STEUTHIOLAEIA. Auct. {Struthio, an Ostrich.) Fam. Ca- 

 nalifera, Lam. — Descr. Oblong, turrited, thick ; spire turrited, 

 composed of several angulated whorls ; aperture oval, sub-quad- 

 rate, oblique ; outer lip thickened, reflected, advancing in the 

 centre, receding towards the extremities ; inner lip thickened, 

 expanded over the columella and part of the body whorl. — Obs. 

 This singular genus, consisting of three or four recent species, is 

 named " Pied D'Autruche" by the French, on account of some 

 resemblance in the outer lip to the foot of the Ostrich. From 

 New Zealand. Fig. 391, S. straminea. Four species are 

 described in the author's monograph. Thesaurus Conchyliorum, 

 PI. 1. Ex. PI. xvii. fig. 391. 



STYLIFEE. Brod. (Stylus, a style; fero, to bear.) —Descr. 

 Thin, pellucid, turbinated ; apex a little out of the perpendicular, 

 aperture wide anteriorly, gradually narrowing towards the spiral 

 extremity, where it terminates acutely. — Obs. This is a genua of 

 small, transparent shells, found burrowing in the rays of Starfish. 

 There are but two or three species at present known, one of 

 which is elongated Hke Terebra, the other nearly globidar. 8. 

 astericola. West Indies, Gallapagos, and Britain. PI. i. fig. 12, 13. 



STYLINA. Flem. Sttlifer, Brod. 



