214 PROCEEDINGS OF THE ACADEMY OP 



About sevent}' specimens of this beautiful species were gathered 

 from the beach sand at Kiva Island. 



ViTRiNELLA scuLPTiLis, Garr., pi. 2, fig. 15. 



Shell depressly orbicular, whitish, ratlier thick, spire broadly 

 and depressly conical ; whorls 5, tabulate, regularly and rapidly 

 increasing, last one very large, rounded, girdled with eight promi- 

 nent ribs, the second one on the shoulder crenulate, all narrower 

 than their interstices, excepting those on the base, which are 

 more closely set ; the crenulate and the upper plain ridge ascend- 

 ing the whorls of the spire; the concave interstices with crowded 

 oblique raised strife ; suture margined b}- tlie upper ridge ; umbili- 

 cus deep, exhibiting the volutions, margined b}^ the last rib, 

 striated with coarse oblique raised lines, and about one-third the 

 greatest diameter of the shell ; aperture circular, diagonal ; peri- 

 stome thick, united by a callus. 



Diam. Greatest 4^, height 3 mill. 



Hab. Viti Isles. (Coll. Phil. Acad. Xat. Sciences.) 



An elegantl}^ sculptured species of which we found twenty 

 examples on a sandj- mud flat ou the north coast of Natawa Bay, 

 Vanna Levu. 



ViTRiNELLA CiELATA, Garr., pi. 2, fig. 16. 



Shell small, depressly orbicular, vitreous, shining, sub-pellucid, 

 white, spire depressly conoid ; whorls 2>h angular, last one trigonal, 

 angles slightly carinate, crossed b}- small closely-set rounded 

 slightl^^flexuous ribs; umbilicus small, pervious; aperture diagonal, 

 rounded ; peristome thick, continuous. 



Diam. Greatest 2, height 1 mill. 



Hah. Viti Isles. (Coll. Garrett.) 



A very rare and beautiful species, of whicli we found four exam- 

 ples in beach sand at Kiva Island. 



ViTRiNELLA NODOSA, Garr., pi. 2, fig. 17. 



Shell small, discoid, white, spire flat ; whorls 3^, convex, rapidly 

 and regularly increasing, last one rounded, sub-trigonal, trans- 

 versel}'^ nodose, crossed by crowded thin elevated striae ; umbilicus 

 large, crenulate, freely exposing the whorls ; aperture oblique, 

 rounded ; peristome nearl}' continuous. 



Diam. Greatest 2, height ^ mill. 



Hah. Viti Isles, (Coll. Garrett.) 



One perfect and two imperfect examples found. 



