RIS80IA. 355 



R. pcn.YciiROMA, Folm. PI. 70, fig. 6.3. 



Smooth, a little shining, apex obtuse, scarcely longitudinally 

 striate, with a very minute spiral thread on the periphery; whorls 

 5, the first two witli very minute quadrangular impressions, reddish, 

 yellowish or violaceous, or corneous white, with obscure darker 

 bands ; aperture subcircular, peristome simple, sharp. 



Length, 1"7 mill. 



Bay of Panama. 

 R. PULiCARiA, Folin. PI. 71, fig. 96. 



Veiy smooth, shining, white, with a series of oblong chocolate 

 spots on the periphery and spire, base with a dark band ; whorls 5, 

 subglobose, suture linear, scarcely imjjressed ; aperture subcrrcular, 

 lip simple. Length, 1'3 mill. 



MauHtius. 

 R. Brazieri, Tenison AVoods. PI. 71, fig. 97. 



Rimate, smooth, white, broadly banded with fulvous above the 

 periphery, narrowly banded below it, under an olive epidermis; 

 whorls 5, rounded, the last with sharply angulated periphery ; lip 

 sharp. Length, 3 mill. 



Tasmania. 

 R. xiTENS, Dunker. PI. 71, fig. 100. 



Umbilicated, smooth, shining, subpellucid, white, with two in- 

 cons[)icuous pale fulvous bands ; whorls 4, convex, with incised su- 

 ture, columella often violet tinted. Length, 1*4 mill. 



Botany Bay, Australia. 



R. ATROPURPUREA, Dunker. PI. 71, fig. 1. 



Unibilicated, smooth, pellucid, polished, dark purple; whorls 4, 

 rapidly increasing, suture incised ; W'p subthickened. 



Botany Bay and Sydney, Australia. 



R. LiMBATA, Hutton. PI. 71, fig. 98. 



Narrowly umbilicated, polished, smooth ; whorls flatly convex, 

 the last with angulated periphery ; pale olivaceous with zigzag 

 white strigations, most ap])arent as a sutural and a jieripheral band. 



Length, 3 mill. 



New Zealand. 



Unfigured Species Referred to Microsetia. 



R! MACiLENTA, R. PUMiLA, R. ccELATA, Mouts. Mediterranean. 



R. OCHROLEUCA, and R. Ficaratiensis, Brugnone. Mediterranean. 



