ATYS. 265 



twist so conspicuous in that species. My Chinese species is shaped 

 Irike a little fat Amphora (Ad.). 



A. scROBicuLATA A. Adams. Unfigured. 



Shell ovoid, ventricose, narrowed behind, acuminate in front, 

 dull white, broadly and profoundly urabilicated, margin of the um- 

 bilicus angulated ; aperture much produced at both ends ; colurael- 

 lar margin straight, simple; anteriorly rounded (Ad., I. c. p. 158). 



Tabn-Sima, Jaj^cm, 25 fms. 



The only shell which resembles this singular little species is A. 

 tortuosa A. Adams ; but the great peculiarity of the aperture, which 

 is pointed at both ends and produced beyond the body whorl, dis- 

 tinguishes it from all others (Ad.). 



Section Alicula Ehrenb., 1831. 



A. CYLiXDRiCA Helbling. PI. 33, figs. 60, 61, 62, 63, 64. 



Shell elongated, oblong-oval or subcylindrical, solid, white under 

 a very thin buff cuticle; apex closed; body whorl more or less con- 

 vex, sometimes indistinctly angular above the middle, sculptured 

 tvith incised spiral lines which become closer toward the ends, and 

 are absent from the smooth middle third. Lip heavy, rising oblique- 

 ly far above the vertex, contorted and angularly plicate; outer lip 

 gently convex; columella short, with a heavy, reflexed lunate cal- 

 lus, its outer edge not appressed, inner edge subconcave, without 

 fold or obvious trnncation. Alt. 27, diam. 13-14 mill. 



Philip2)ines to Torres Strait, eastward to Fiji Is.; westward to 

 Ceylon, Andaman Is., Red Sea, Mauritius and Seychelles Is. 



Bulla cylindrica Helbling, Abhandl. einer Privat Gesellsch in 

 Bohmen, iv, p. 122, pi. ii, f. 30, 31, 1779.— A. Ad., Thes. Conch, ii, 

 p. 585, pi. 125, f. 114. — Atys cylindrica Sowb., Conch. Icon. t. 1, f. 

 4.— Smith, P. Z. S. 1878, p. 819.— Martens, Meeres-fauna Maurit. 

 p. 303.— Brazier, P. L. S. N. S. W. ii, p. 85.— Watson, Chall. 

 Eep. Gastr. p. 639.— E. A. Smith, Ann. Mag. N. H. (4), ix, p. 

 ^U.— Bulla (Atys) elongata A. Ad., Thes. p. 587, pi. 125, f. 121.— 

 A. elongata Sowb., Conch. Icon, f 8. — Braz., P. L. S. N. S. W. ii, 

 p. 85.— Bulla solida Brug., Encycl. Meth. i, p. 374, pi. 146, f 1356, 

 1357.— Ad., Thes. p. 585, pi. 124, f. 112, 113.— .4. solida Sowb., C. 

 Icon. f. 4.— Braz., P. L. S. N. S. W. ii, p. 85.— Issel, Malac. Mar. 

 Rosso, p. 168. — Atys angustata Smith, Ann. Mag. N. H. (4), ix, p. 

 346. See Ann. Mag. (5), xvii, p. 132. — A. succisa A. Ad., Thes. ii. 



