86 . G1BBUS. 



G. RODBIGUEZENSIS, Crosse. PL 21, fig. 91. 



Rimate, rather thin, subtranslucent, closely obliquely costnlate- 

 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 striate, 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. 



7s/. 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 Isl., 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. Morelet speaks of a variety which has a more cylindrical 

 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. 



