TORINIA. 23 



impressed spiral lines ; color yellowish brown ; base slightly con- 

 vex, havino; numerous fine spiral lines near the periphery, also 

 covered with low ribs radiating from the umbilicus, near which 



they are nodulous. Diam. 12 mill. 



Coaat of New England. 

 T. ROSULENTA, Watson, PI. fi, fig. 34. 



Umbilicus very wide; whoi-ls 5, shouldered Avith three or four 



elevated spiral threads, last whorl with numerous spiral threads, 



the upper four of which are very strong; color ruddy-yellow 



with bright crimson spots; umbilical wall with numerous spiral 



threads; aperture round. Diam. G mill. 



Port Jackson. 



TJnfujiired and Doubtful Species. 



T. RiiSEi, Morch. West Indies, 



T. SULCIFBRA, Pease. Polynesia. 



T. BicARiNATA, Phil. China Sea. 



Probably not a member of this famil3\ 



T. TRiciNCTA, Phil. Guinea. 



T. IMPLEXA, Migh. Oahu. 



Subgenus Pseudomalaxis, Fisch., 1883. 



T. Zanclea, Phil. PL 6, figs. 2(5-28. 



Shell minute, planorbiforra ; whorls quadrangular, periphery 

 broad, w'ith a rib above and another below; color fulvous, 

 clouded with alternate light and dark ; umbilicus ver}^ wide ; 

 aperture nearly square. Operculum as in topical Torinia. 



Diam. 35 mill. 



Iledilerranean. 



Subgenus Gyriscus, Tiberi, 18G7. 

 T. Jeffreysiana, Tiberi. PI. 6, figs. 29, 30 ; PI. 1, fig. IT. 



Shell turbinate; whorls 7, rounded, granular in spiral series, 

 suture profound, last whoi'l slightly depressed at the base; color 

 yellowish, passing into a pale reddish brown ; umbilicus moder- 

 ate, deep; aperture subrotund, the margins united by a callous 

 deposit, columellar lip sinuous, reflected, closing a part of the 

 umbilicus. Diam. 8-9, alt. 10-11 mill. 



Mediterranean, 



