40 



AURICULIDiE. 



58. Melampus sttlcatus. 



Shell subrimate, ovate, solid, sculptured above with crowded 

 granular ridges, brown, with three pale bands ; spire conic, ob- 

 tuse ; suture linear, slightly canaliculate ; whorls five, flat, the 

 last forming two-thirds of the total length, slightly angulated 

 above, then more distinctly grooved spirally, furnished at base 

 with a very slight keel surrounding the umbilical region ; 

 aperture scarcely oblique, semiovate, showing the same colour 

 and bands within ; parietal plait one, compressed, transverse ; 

 columellar plait scarcely smaller, rather oblique; peristome 

 straight, sharp ; columellar margin somewhat spreading in adult 

 specimens. Length 12, greatest breadth 6 mill. 



Ophicardelus (Laimodonta) sulcata, H. and A. Adams in Proc. 



Z. S. 1854, p. 34. n. 6. 

 Melampus sulcatus, Pfr. Si/n. Auric, n. 53 ; Mon. Auric, p. 54. 

 Laimodonta sulcata, H. and A. Adams, Gen. rec. Moll. ii. p. 246. 

 Hab. New Zealand. 



59. Melampus exabattjs. 



Shell imperforate, fusiformly ovate, rather solid, sculptured 

 with spiral ridges, which ai-e rather distant near the suture, 

 but close-set in the remaining part, and with extremely crowded 

 longitudinal striae, dirty fulvous ; spire convexly conical, obtuse ; 

 whorls five, flat, rather imbricate, the last forming three-fifths 

 of the total length, slightly inflated above the middle, some- 

 what compressed at base ; aperture rather oblique, acuminately 

 semiovate, modified by two almost equal plaits, one below the 

 middle of the body of penidt whorl, the other columellar, trans- 

 verse ; peristome sharp, straight ; right margin sinuated above ; 

 columellar margin narrow, affixed. Length 1\, breadth 4f mill. 



Melampus (Tralia) exaratus, H. and A. Adams in Proc. Z. S. 

 1854, p. 13. n. 39. 



Pfr. Syn. Auric, n. 54 ; Novit. Conch, i. p. 22. n. 37. t. 6. 

 * f. 17-19; Mon. Auric, p. 54. 

 Tralia (Signia) exarata, H. and A. Adams, Gen. rec. Moll. ii. 

 p. 245. 



Hab. Calabonga, Isle of Samar, Philippines. 



(30. Melampus inerequens. 



Shell imperforate, ellipsoidally ovate, thin, striated, brown, 

 with an indistinct pale band near the suture, which is deeply 

 impressed ; spire convexly conic, pointed ; whorls six, convex, 

 slightly angulated above, the last forming three-fifths of the 



