22 TORINIA. 



T. BISULCATA, d'Orb. PI. 6, figs. 14-16. 



Shell depressed, conic ; whorls 5, longitudinally striated, spir- 

 ally sulcate and five-ribbed above, periphery two-ribbed, base 

 six-ribbed ; color dirty white ; umbilicus moderate, margin cren- 



ulated, umbilical wall without ribs. Diam. 10 mill. 



West Indies. 



Hanley's figure of this species in Thes. Conch, is very poor. 



T. DELPHI NULOIDES, d'Orb. PI. 6, figs. 17-19. 



Shell depressed, conic ; whorls 4-ribbed,bod3 ir -whorl 12-ribbed ; 

 color uniform whitish ; umbilicus broad, margin slightly cren- 

 ulated, not channeled, costate ; aperture round. Diam. 7 '5 mill. 



West Indies. 



This and the preceding may be different stages of growth of 

 the same species. 



T. NANA, Koch. PI. 6, figs. 20, 21. 



Shell depressed, globular; whorls rounded, angular above, 

 upper part of the whorl with four elevated ribs ; color white with 

 radiating red blotches ; base smooth ; umbilicus moderate, cup- 

 shaped, margin strongly crenulated, umbilical wall radiately 

 striated, and having spiral, granular ribs; aperture roundly 

 quadrangular. Diam. 6 mill. 



Chili. 

 T. EGENA, Gould. PI. 6, figs. 22, 23. 



Shell globose; whorls rounded, channeled at the suture, spir- 

 ally sulcate near the umbilicus, last whorl 5-ribbed, the two 

 nearest the suture "being granular ; color nearly white ; base 

 convex ; umbilicus wide, margin strongty crenulated.; aperture 

 subcircular. Diam. 7 '5 mill. 



New Zealand. 



This and the preceding species present such an intermixture 

 of the characters of Torinia and Solarium that I am in doubt as 

 to which genus they should be referred. 



T. BOREALIS, Yerrill and Smith. PI. 6, figs. 24, 25. 



Shell depressed ; whorls 4, crossed by numerous, flexuous, low 

 ribs, with shorter ribs interpolated near the peripheiy, periphery 

 strongly ribbed, body-whorl flattened just above the periphery 

 and having about 6 small spiral ribs which are separated by 



