NANINA. 91 



mantle yellowish, the lobes darker ; foot two inches long and a 

 fifth of an inch wide, the under surface pale gray, with a } T ellow- 

 ish stripe along each side. 



N. PETROSA, Hutton, PL 30, figs. 66. 67. 



Perforate, thin, fragile, pellucid, vitreous, polished ; light 



brown ; whorls 6-7. Diam. 1 inch. 



Mirzapoorj India. 



It is N. Indica, Benson (in part), and Vitrina subcentralis, 

 Beck. 



N. JAINIANA, Godwin-Austen. PL 30, figs. 68, 69. 



Umbilicated, thin, glassy, smooth, discoidal ; dark brown, 

 paler beneath ; whorls 6, periphery rounded. 



Diam. 20, alt. 6 mill. 



Manbhum, and Parisnath, India. 



N. PLATYCHLAMYS, Blanforcl. PL 30, figs. 70, 71. 



Perforate, somewhat thin, smooth, shining, lightly obsoletely 

 striatulate ; brownish corneous ; whorls 5, suture lightly margined, 



periphery rounded. Diam. 11, axis 5'5 mill. 



Bombay. 



Eliminated from the group of allied shells usualty confounded 

 under the name of N. Vitrinoides, Desh. 



N. PEDINA, Benson. PL 30, fig. 72. 



Perforate, very thin, irregularly striatulate, translucent, more 

 shining below ; fulvous to light corneous ; whorls 6, suture nar- 

 rowly margined, and very obscurely angulated on the periphery. 



Diam. 32, axis 14 mill. 



Bombay and Ahmednugger, India. 



N. RESPLENDENS, Phil. PL 30, figs. 73-76. 



Subperforate, smooth, translucent, thin ; yellowish corneous, 

 lighter below; whorls 6^. Diam. 19, alt. 9 mill. 



Burmah, Cambodia. 

 N. expolita, Desh., is a synonym. 



Yar. OBESIOR, von Martens. Fig. 76. 



Very narrowly perforate ; whorls 6-6^, suture narrowly mar- 

 gined with pale violaceous. Diam. 24, alt. 12'5 mill. 



Siam. 



