AURICULIDiE. 29 



37. Melampus caffer. B.M. 



Shell subriniate, ovate, solid, rather smooth and shinino-, 

 brownish-yellow, with two broad chestnut-coloured bands, one of 

 which is above, the other near the base, and sometimes a brown 

 basal spot; spire short, chestnut-coloured, convexly conoidal, 

 slightly mucronate ; suture linear ; whorls seven, the upper 

 ones scarcely convex, the last forming three-fourths of the total 

 length, slightly striated near the suture, rather attenuated to- 

 wards the base ; aperture nearly perpendicular, narrow, a little 

 dilated in front ; parietal teeth two, middle-sized near the colu- 

 mella, and a third smaller above ; columellar plait middle- 

 sized, produced outwards ; peristome simple, acute, brown; right 

 margin slightly arcuate, thickened within by a longitudinal 

 callus, sending off five to six distant transverse ridges ; colu- 

 mellar margin short, slightly thickened, appressed. Length 13, 

 greatest breadth 8 mill. 



Auricula caffra, Kiist. Auric, p. 36. t. 5. f. 6-8. 



Krauss, Sudafr. Moll, p. 82. 

 Melampus ater, H. and A. Adams in Proc. Zool. Soc. 1854, p. 10. 



n. 13 ; Gen. rec. Moll. ii. p. 243. 

 Melampus caffer, Pfr. Syn, Auric, n. 34 ; Mon. Auric, p. 40. 



|9. Smaller, rather uniformly blackish. 



Conovulus ater, Miihlf. MSS. 



Anton, Verzeichn. p. 48. n. 1773. 



Hob. Natal (Krauss) ; Bohol and Capul, Philippines (H. Cu- 

 ming). Var. j3. Isle of Oheatora. 



38. Melampus livtdus. 



Shell subimperforate, conoidally ovate, solid, smooth, livid or 

 brownish ; spire short, convexly conoidal, mucronate ; suture 

 linear ; whorls nine to ten, rather flat, the last forming two- 

 thirds of the total length, indistinctly angled above, scarcely 

 attenuated in front ; aperture nearly perpendicular, elongatelv 

 semiovate, dilated and rounded at base ; parietal plaits three, 

 small, deeply placed, dentiform ; columellar plait a little stronger, 

 chestnut-coloured ; peristome acute, with the margins not 

 united ; right margin furnished within with seven small white 

 teeth, the lower of which are somewhat elongated inwards ; 

 columellar margin slightly reflexed, chestnut-coloured. Length 

 15-18, breadth 9i-ll mill. 



Auricula livida, Deshayes in Enc. Meth. ii. p. 91. n. 10. 

 Lam. Hist. viii. p. 338. n. 26. 

 Kiist. Auric, p. 44. t. 6. f. 21-25. 

 Krauss, Sudafr. Moll. p. 81. 



