18 



AITUCULIDJE. 



Melampus Zealandicus, Pfr. Syn. Auric, n. 13; Novit. Conch. 



i. p. 20. n. 33. t. 6. f. 7-9; Mon. Auric, p. 25. 

 Hab. New Zealand. 



16. Melampus? Janmei. 



Shell conoidal, smooth, horn-coloured yellowish, slightly 

 striated longitudinally ; spire short, obtuse, often eroded ; aper- 

 ture elongate, extremely narrow; columella white at its base, 

 two-plaited ; peristome thin, sharp, toothed and furrowed within. 

 Length 3-4 mill. (Mittre). 



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

 Melampus ? Janmei, Pfr. Syn. Auric, n. 14 ; Mon. Auric, p. 25. 

 Hab. Near Hampton, Virginia. 



17. Melampus globulus. B.M. 

 Shell imperforate, elliptical, ventricose, thin, minutely striated, 



shining fulvous, with narrow chestnut-coloured bands ; spire 

 conoidal, minutely mucronulate ; suture linear ; whorls ten, flat, 

 narrow, rather equal, the last forming two-thirds of the total 

 length, inflated, rounded at its base; aperture perpendicular, 

 extremely narrow, angled and channeled at base ; body of the 

 penultimate whorl bearing a single, knot-shaped plait, which is 

 situated deeply, and sometimes obsolete ; columellar plait large, 

 lamelliform, white, arcuately produced to the base ; peristome 

 simple, straight; right margin sharp, furnished within with 

 deeply placed thin transverse plaits. Length 10, greatest 

 breadth 6 mill. 



Auricula globulus, Fer. MSS. 



D'Orb. Synops. p. 23. n. 4 ; Voy. Amer. p. 327. 

 Melampus margarita, Beck, Ind. p. i07. n. 10 ? 

 Melampus (Tralia) globulus, H. & A. Adams in Proc. Z. S. 1854, 

 p. 11. n. 28. 



Pfr. Syn. Auric, n. 5 ; Novit. Conch, i. p. 23. t. 6. f. 23-25 ; 

 Mon. Auric, p. 26. 

 Tralia (Tifata) globulus, H. § A.Adams, Gen.rec.3Ml. ii. p. 245. 



Hab. Guayaquil, Columbia (Z)' Orbigny) ; Isle of Tumaco, 

 W. Columbia (H. Cuming), 



§ 3. Labrum furnished with more or less distant parallel trans- 

 verse ribs ; body of the penultimate whorl bearing two plaits. 



Melampus, De Montf. 



18. Melampus Cumingianus. 



Shell unequally biconical, smooth, shining, chestnut-coloured 



