46 TORELLIA — SEGUENZIA. 



Genus TORELLIA, Loven, 18Gt. 

 T. VESTiTA, Jeffreys. PL 8, fig. 66. 



Narrowly umbilicated, subglobose, rather thin, semitrans- 

 parent, chalky white, under a pale yellowish brown, velvety 

 epidermis ; whorls 5-6, tumid, ra[)idly enlarging, with numerous 

 fine spiral and less conspicuous longitudinal striiie ; aperture 

 nearly entire, round. Diam, 15 mill. 



Norway, Shetland, Marlha'^s Vineyard, etc. 



First described by Jeffreys as Becluzia nperta. 



T. DELICATA, Phil. PI. 8, fig. 67. 



Narrowly umbilicated, very tiiin ; whorls 6, well-rounded, with 



deep suture, very finely reticulated by longitudinal and s[)iral 



striae. 



Messina, Sicily. 



T. FiMBRiATA, YerriU and Smith. PI. 8, fig. 68. 



Narrowly umbilicated, thin, fragile, suture deep ; whorls 5, 

 very convex, rapidly enlarging, witli spiral, hairy cariure, about 

 ten of them on the last whorl, the interspaces finely, nodulously 

 reticulated by growth and spii-al lines ; columella callously 

 thickened below. Diam. 17 mill. 



0^ Martha'' s Vineyard, Mass. 

 Yar. TIARELLA, Yerrill. 



Subsutural carina well developed and hairj-, the other carinae 

 nearly obsolete. 



Genus SEGUENZIA, Jeffreys, 1876. 

 S. MONOCiNGULATA, Segucuza. PI. 8, figs. 71-73. 



Imperforate; whorls with revolving ribs, of which the la«thas 

 about four distant prominent ones, besides minor stiiai on the 

 base ; white. Length, 6 mill. 



JV. Atlantic, New England, Bay of Biscay, 



S. W. of Bermudas, Gulf of Mexico. 

 S. formosa, JeftreA'S, is a synonym. 



Yar. LiNEATA, Watson. Figs. 72, 73. 

 Same localities as the type. 



