NANINA. 133 



N. HUNGERFORDIANA, Theobald. PI. 44, figs. 63, 64. 



Imperforate, closely striate above, smooth below ; whorls 6, 

 periphery acutely carinated ; lip thickened, with three large 

 teeth below, the middle and outer ones connected by a slight 

 callus. Diain. 11, alt. 5*5 mill. 



Near Moulmein, Burmali. 



X. TXERMIS, Theobald. PI. 44, figs. 56, 57. 



Very narrowly perforate, lightly striated above, shining; cor- 

 neous ; whorls 7, the last acutely filiformly carinated ; lip thick- 

 ened, sinuated, but without teeth. Diam. 1T6, alt. 4'8 mill. 



Near Moulmein, Burmah. 



X. ANNAMITICA, Crossc and Fischer. PL 44, figs. 61, 62. 



Scarcely rimate, rather thin, not shining, but closely costulate 

 above, becoming smooth towards the middle of the base, which 

 is shining ; light reddish brown above, 3 r ellowish corneous below ; 

 whorls 6, the last obtusely carinated; basal margin of aperture 

 a little thickened, not toothed. Diam. 12, alt. 7 mill. 



Ins. Poulo-Condor, Cochin China. 



X. SETILIRIS, Benson. PL 44, figs. 52, 53. 



Perforate, not shining, closely obliquely striulate, with more 

 remote occasionally hairy riblets, translucent, base smooth ; 

 reddish corneous ; whorls 6-6-J, periphery subangulated ; margin 

 of aperture a little thickened, especially below, the columellar 

 lip oblique, subdentatel} T thickened, the extremities of the peris- 

 tome connected b}- a parietal lamelliform callus. 



Diam. 8, axis 5 mill. 



Mauritius, Ins. Bourbon. 



X. Vintoni, Desh., is a synonym. 



Subgenus GUILLAINIA, Bourg., 1885. 



The following species, all unfigured, and inaccessible to me, 

 were found in the valley of the Oue'bi and environs of Guelidi, 

 in the interior; four or five days' journey from Moguedouchon, 

 East Africa. 



X. REVOILT, X. MAGNIFICA, N. CCERULANS, X. COMPRESSA, X. 

 GEORGI, X. ROCHEBRUNIANA, X. MABILLIANA, all of Bourguignat. 



