auhiculid^:. 27 



y. ? With the upper parietal plaits indistinct. 

 Melampus pallescens, Sow. in Beech. Voy. p. 146. pi. 38. f.28:" 

 H. and A. Adams in Proe. Zool, Soc. 1854, p. 10. n. 8 ? 

 Auricula pallescens, Kiist. Auric, p. 51. t. 7. f. 11 ? 



Hab. Vanikoro and Guam (Quoy) ; Lord Hood's Island (Cu- 

 ming) ; Nusa Baron, Java (3Iouss.) ; Turnaco, Columbia (An- 

 ton). Var. /3. Philippine Islands and Java. 



34. Melampus acromelas. 



Shell subperforate, ovate, somewhat elliptical, rather solid, 

 irregidarly striated, flesh-coloured greyish, with four brown 

 bands, which are more or less distinct ; spire convexly conoidal, 

 with the apex extremely pointed, blackish ; suture slight, some- 

 what irreg-ular ; whorls eight, nearly flat, the upper ones scarcely 

 to be distinguished, the last forming about four-fifths of the 

 total length, slightly angulated above, attenuated towards its 

 base ; aperture nearly perpendicular, narrow, elongate and very 

 acuminate posteriorly ; parietal teeth three, the first and third 

 minute, the second larger, rather transverse ; columellar plait 

 middle-sized, descending obliquely to the margin ; peristome 

 simple, straight; right margin bordered with brown, bearing 

 within numerous thin, elongate, white transverse plaits ; colu- 

 mellar margin callous, rather dilated, nearly adnate. Length 

 llf, greatest breadth 7 mill. 



Auricula (Conovulus) acromelas, Troschel in Archie f. Natur- 



gesch. 1852, i. p. 197. t. 6. f. 2. 

 Melampus acromelas, Pfr. Syn. Auric, n. 31 ; Mon. Auric, p. 37. 197. 

 H. and A. Adams, Gen. rec. Moll. ii. p. 243. 



Hab. Peru (Tschudi). 



" Similar in shape to Aur. lutea, but much smaller.' - 



35. Melampus Boholensis. 



Shell imperforate, ovate, somewhat fusiform, solid, smooth, 

 shining, marked with distant longitudinal grooves, chestnut- 

 coloured, pale-banded near the base ; spire convexly conoidal, 

 mucronate; suture irregular ; whorls eight, flat, the' last form- 

 ing three-fourths of the total length, inflated above and angu- 

 lated obsoletely, attenuated at base ; body of the penult whorl 

 bearing three minute teeth, the middle of which is somewhat 

 larger ; aperture rather oblique, linear ; columellar plait small, 

 oblique, produced outwards; peristome straight, acute; right 

 margin furnished within with a white callus, bearing six to 

 seven short teetli ; columellar margin slightly reflexed, adnate. 

 Length 14, breadth 7^ milL 



c2 



