196 TORNATINA. 



Has been reported from Japan by A. Adams, and from the Gulf 

 of Suez by Cooke. 



T. LACTUCA G. & H. Nevill. PL 27, fig. 1. 



Shell narrowly cylindrical, solid, smooth, shining, white ; whorls 

 3, channelled at the suture ; spire very short, a little exserted, the 

 nucleus mamillate; last whorl a little constricted in the middle. 

 Aperture narrow and linear above, incised at the suture, moderately 

 dilated and rounded below ; lip acute, a little produced in the 

 middle; the inner lip slightly convex, a little thickened ; columella 

 bearing one very oblique strong fold. 



Alt. 8i, diam. 4J mill. (Nev.). 



S. Province of Ceylon. 



Cylichna lactuca G. & H. NEV., Journ. Asiat. Soc. Beng. xl. p. 

 2,pl.l,f.2,2a. 



T. INVOLUTA G. & H. Nevill. PL 27, fig. 91. 



Shell cylindrical, solid, white, smooth and shining ; whorls 3, 

 joined by a somewhat channelled suture; spire subconic, exserted, 

 the apex submammillate. Lip nearly straight, thin ; inner lip 

 somewhat thickened, incurved below ; columella uniplicate. 



Alt, 83. diam. 3 mill. (Nev.). 



S. Province of Ceylon ; Bombay; Penang. 



Cylichna involuta NEV., Journ. Asiat. Soc. Beng. xl. p. 3, pi. 1, 

 f. 3, 3a. 



T. TERES Philippi. Un figured. 



Shell small, cylindrical, very smooth, milk-white ; spire very short, 

 nearly retuse ; spire whorls channelled ; aperture linear, the base 

 dilated and distinctly uniplicate. Alt. 21, diam. 11 lines. (Phil.). 



Habitat unknown. 



Bulla teres PHIL., Zeitschr. f. Mai. 1851, p. 65. 



Shell exactly cylindrical, as in B. cylindracea, but spire distinct, 

 showing all the whorls, which are strongly marked by the canali- 

 culation. It is quite solid for the size. (Phil.). 



T. AMBOINENSIS Watson. PL 25, fig. 43. 



Shell small, oblong, truncated at the top and a little so in front, 

 with whorls sharply and expressedly angulated above, and very 

 faintly spiralled, a channelled suture, a minute regularly incoiled 





