35 
columella biplicata, plica postica earinam spiralem cirea regio- 
nem umbilicalem formante ; labro acuto, simplice, intus levi. 
Hab. ? Mus. Cuming. 
7. OpuicaRDELUS (Larmoponta) Layarnt, H. et A. Adams. 
O. testa ovato-conica, rufo-fusca, fascia alba, lata, transversa 
ornata; spira elata, apice acuta, anfractibus planis, transversin 
suleatis ; apertura ovata ; columella triplicata, plicis posterio- 
ribus validis ; labro intus unilamellato, margine acuto. 
Hab. Ceylon (Mr. Layard). Mus. Cuming. 
Genus Marinuta, King. 
Foot simple inferiorly, without a transverse groove. 
Shell ovate-oblong, imperforate, solid, smooth ; apex short, acute ; 
aperture obovate ; inner lip broad, excavated, with three plaits, the 
posterior the largest ; outer lip posteriorly sinuated, internally simple, 
the margin acute. 
1. Marrinuta pepita, King. 
Marinula pepita, King. Zool. Journ. vol. v. p. 344.—Auricula 
pepita, Reeve, Conch. Syst. t. 187. f. 1.— Pythia pepita, Beck, Ind. 
Moll.—Conovulus triplicatus, Anton, Verzeich. p- 48. no. 1779. 
2. MARINULA PATULA, Lowe. 
Melampus patulus, Lowe, Mon. Melamp. Zool. Journ. vol.v. p.289. 
3. MARINULA MARINELLA, King. 
Auricula marinella, King, Zool. Journ. vol. v.—Auricula nigra, 
Phil. in litt. Kiist. Conch. Cab. (Auriculacea) t. 3. f. 4, 5. p. 23. 
4, Marinuua CAaLuaoEnsis, Petit. 
Auricula Callaoensis, Petit, Proc. Zool. Soc. 
5. Marinus Reciuziana, Petit. 
Auricula Recluziana, Petit, Proc. Zool. Soc. 1842, p. 201. 
6. MArRINnULA CYMB2FORMIS, Recluz. 
Auricula cymbeformis, Recluz. Rev. Zool. 
7. Marrtnvuta puncrTaAtTA, Bivona. 
Ovatella punctata, Bivon. Nuov. Gen. e Spec. p. 4. t. 2. f. 12.— 
Auricula villosa, Fér.—Auricula Firminii, Payraud, Cat. Moll. 
Corse, pl. 5. f. 10.—Melampus Firminii, Lowe. 
3. Marinuxa aaQua.is, Lowe. 
Melampus equalis, Lowe, Zool. Journ. (Mon. Melamp.) vol. v. 
p- 288. t. 12. f. 1-4.—Melampus gracilis, Lowe (var.). 
9. MarinuLa xanTHostoma, H. and A. Adams. WM. testa 
ovato-oblonga, solida, leviuscula, nitida, fulva; spira acuta, 
anfractibus 5, convexiusculis ; apertura oblongo-ovata, lutea ; 
