TURBONILLA. 33 7 



T. NITIDISSIMA, Issel. PI. 75, fig. 2. 



White, translucid, very shining, rather strongly distantly 

 longitudinally plicate, and no spiral lines; whorls 9-10, a little 

 convex, with well-impressed suture, the ribs evanescent on lower 

 part of body-whorl ; aperture a little obliquely channeled below. 



Length, 3 mill. 



Red Sea. 

 T. VENUSTA, Issel. PL 75, fig. 100. 



White, a little shining, with numerous, vertical costse ; whorls 

 8-9, somewhat convex, with impressed suture, last whorl suban- 



gulated, and without costse below. Length, 3'25 mill. 



Eed Sea. 

 T. CHRYSOZONA, Martens. PI. 76, fig. 48. 



Densely cancellated, white, with a single narrow orange band 

 on the upper whorls, two on the middle ones, three on the last; 

 whorls 12-13, convex, occasional!}^ varicose, last whorl subangu- 

 late ; coluraella slightly plicate at the base, where the aperture 

 is a little channeled. Length, 15 mill. 



Mauritius. 

 T. LACTEA, Krauss. ?L 76, fig. 49. 



Solid, white, closely, obliquely, obtusely plicate, with equal 

 smooth interstices; whorls 10-12, slightly convex, lower half 



of body-whorl smooth. Length, 3*5 mill. 



Cape of Good Hope. 



Unfigured Species. 

 T. TRACHEALIS, T. OBELiscus, Gould. Simon's Bay, So. Africa. 



T. LIRATA, T. DECUSSATA, T. TRIL1NEATA, A. Ad. Ceylon. 



T. WOOD-MASONT, T. VITTATA, T. T2ENIATA, T. SUBEMARGINATA, 



T. MICROCHEILOS, T. 1NTUSLIRATA, T. CORPULENTA and var. 

 MINIMA, all of Folin. (Desc. and figures inaccessible to me.) 



Andaman Is. 



Subgenus DUNKERTA, Carp., 1857. 



T. CANCELLATA, d'Orb. PL 76, fig. 50. 



Thin, corneous, spirally ribbed, with equal interspaces, ribs 

 decussated into granules by longitudinal sulcations ; whorls 5, 



suture channeled. Length, 2 mill. 



Cuba. 



22 



