86 , G1BBUS. 



G. RODRIGUEZENSIS, Crosse. PI. 21, fig. 91. 



Rimate, rather thin, subtranslucent, closely obliquely costulate- 

 striate, milk-white, somewhat shining ; lip white, hardly reflected. 



Length, 12*5 mill. 



Isl. Rodriguez. 

 G. TURGIDULUS, Deshayes. PL 21, fig. 90. 



Perforate, undulately thinly striafe, suture well-impressed. 

 Length, 7 mill. 



Isle of Bourbon. 

 G. CHLORIS, Crosse. PL 21, fig. 92. 



Profoundly rimate-perforate, thin, translucent, obliquely 

 costulate, scarcely shining ; livid yellowish white ; lip rather 

 thin, scarcely reflected. Length, 6 mill. 



Isl. of Rodriguez. 



Lighter colored, with more oblique aperture than the prece- 

 ding species, and also differs in the lip-margin being subinflected 

 above. 



G. MORELETI, H. Adams. PL 21, fig. 87. 



Rimate, moderately solid, obliquely closely striate; dirty 

 white; suture submarginate ; lip expanded and slightly reflected, 

 a little constricted in the middle, columella slightly dilated 

 above. Length, 11 mill. 



Silhouette /s/., Seychelles Archip. 



G. PALANGA, Fer. PL 21, figs. 89, 94. 



Rimate, moderately solid, closely striate, whitish under a 

 yellowish or light brownish epidermis ; columella deeply obso- 

 letely plicate, parietal margin often toothed ; lip a little 

 thickened, shortly expanded. Length, 1 inch. 



Mauritius. 



This is G.fusus, of Lamarck, Kiister, etc., but not of Miiller. 

 M. Morel et speaks of a variety which has a more C3^1indrical 

 spire, greater diameter, and more rounded apex ; it rarely 

 retains its epidermis. 



G. NEVILLI, H. Adams. PL 21, fig. 93.. 



Rimate, obliquely sinuately ribbed ; aperture with an obsolete 

 columellar plica, and a compressed entering parietal tooth ; lip 

 shortly expanded, slightly labiate within ; whitish. 



Length, 1 inch. Mauritius. 



