38 AUBICULID^E. 



§ 8. Labrum not plaited ; body of the penultimate whorl 



smooth, 



54. Melampus coronatus. 



Shell obconic, reddish-purple, with several spiral punctate 

 and distant transverse stripe, and a deciduous epidermis, which 

 is produced into a small spine at each of the principal trans- 

 verse striae on the spire ; spire rather short, with slightly con- 

 cave outlines ; apex very acute ; whorls about seven, slightly 

 angled, with a moderately impressed suture ; aperture with 

 a large solid spiral prominent callus or tooth on the columella. 

 The two specimens before me may be young shells, but proba- 

 bly belong to a new species. Length Oil, breadth 0-07 inch. 

 (Adams.) 



Melampus coronatus, C. B. Adams, Contrib. to Conch, no. 3. p. 41. 



Pfr. Sun. Auric, n. 49 ; Mon. Auric, p. 51. 



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

 Melampus coronulus, H. and A. Adams in Proc. Zool. Soc. 1854, 



p. 10. n. 10. 

 Hab. Jamaica. 



Mr. Shuttleworth declares this species to be the young of the 

 Mel. monilis. 



55. Melampus ? tjniplicatus. 



Shell small, ovate-oblong, solid, often eroded, whitish-yellow, 

 very minutely striated longitudinally ; spire short, conic ; whorls 

 five, convex ; aperture subovate ; columella white at its base, 

 with a single plait ; labrum simple, thickened. Length 12, 

 breadth 4 mill. (Mittre.) 



Auricula uniplicata, Mittre in Revue Zool. 1841, p. 67. 

 Melampus ? uniplicatus, Pfr. Syn. Auric, n. 50 ; Mon. Auric. 



p. 52. 

 Hab. St. Louis, Senegal. 



§9. Labrum not plaited; body of the penultimate whorl icith a 



single plait. 



56. Melampus australis. 



Shell imperforate, ovate-conic, rather solid, almost smooth, 

 greenish horn-coloured, for the most part with brownish bands ; 

 spire elongated, conic, pointed, often eroded ; suture linear ; 

 whorls nine, flat, sculptured with slight arcuate striae near the 



