AURIC ULID^. 35 



Acteon triplieatus, Flem. 



Auricula ovula, Fer. Prodr. p. 104. n. 21. 



Auricula nitens, Lam. Hist. vi. 2. p. 141. n. 13; ed. Desk. viii. p. 332. 



Kiist. Auric, p. 18. t. 2. f. 11-13. 

 Auricula pusilla, Desk, in Lam. Hist. viii. p. 332. 



Jay, Cat. 1850, p. 265. n. 6171. 



Petit in Journ. Conch, ii. 1851, p. 427. 

 Auricula leucodonta, Nutt. MSS. 

 Couovulus nitens, Voiyt in Cuv. Tliierr. iii. p. 112. 

 Conovulus pusillus, Ant. Verz. p. 48. n. 1777. 



Forb. and Hani. Brit. Moll. iv. p. 197. 

 Melampus ovulum, Lowe in Zool. Journ. v. p. 289. 

 Melampus pusillus, C. B. Adams, Contr. to Conch, p. 42. 186. 



H. and A. Adams in Proc. Zool. Soc. 1854, p. 10. n. 15. 



Poey, Manor, i. p. 394. 



Pfr. Syn. Auric, n. 43 ; Mon. Auric, p. 46. 

 Melampus nitens, Shutil, Diagn. n. Moll. no. 7. p. 161. 

 Pytkia ovulum, Beck, Ind. p. 104. n. 8, et triplicata, Beck, ib. n. 7. 

 Tralia pusilla, Gray in Turt. 3fan. p. 21. 



H. and A. Adams, Gen. rec. Moll. ii. p. 244. pi. 82. f. 8. 

 Tralia ovulum, March, Cat. Yold. p. 38. n. 783. 



Hab. West Indies : Guadaloupe, Jamaica, Cuba. Sandwich 

 Islands : Oahu. 



48. Melampus Panamensis. 



Shell imperforate, ovate-oblong, solid, smooth, with irregular 

 stripe of growth, shining, blackish-brown ; spire conic, convex 

 towards the acuminated apex ; suture impressed, somewhat 

 irregular ; whorls eight, the upper ones moderately convex, the 

 penultimate rather flat, last a little longer than the spire, slightly 

 compressed near the suture, then angidated obsoletely, scarcely 

 attenuated in front, somewhat gibbous ; aperture scarcely ob- 

 lique, acuminately semiovate, with three equidistant white 

 plaits ; parietal plaits two, convergent, the upper one small, 

 the other strong ; columellar plait twisted ; peristome blunt : 

 right margin sinuated, thickened within by a longitudinal cal- 

 lus, sending off, above the middle, a transverse rib ; columellar 

 margin callous, dilated, appressed. Length ll/"breadth 5 mill. 



Auricula Panamensis, C. B. Adams in Ann. Lye. N. York. v. 



p. 433, 542. 

 Melampus (Tralia) Panamensis, H. and A. Adams in Proc. Zool. 



Soc. 1854, p. 10. n. 16. 

 Melampus Panamensis, Pfr. Syn. Auric, n.44 ; Mon. Auric, p. 48. 

 Tralia Panamensis, H. and A. Adams, Gen. rec. Moll. ii. p. 244. 

 Hab. Panama and Taboga. 



