NANINA. 35 



X. FUSCOLUTEA, Grat. PI. 22, fig. 26. 



Scarcely perforated, thin, shining, pellucid, very delicately 

 longitudinally striated ; corneous brown above, yellowish white 

 below, last whorl with a pale peripheral band, and another just 

 below the suture, the latter showing on the spire ; whorls 5-6, 

 periphery rounded. Diam. 16, alt. 10 mill. 



Madagascar. 



Unfigured Species. 



X. RUBICUNDA, Pfr. Habitat unknown. 



X. CORROSA, Mousson. Java. 



X. HlLDEBRANDTI, N. THALIA, X. HESTIA, X. BASALTS, X. ANO- 



BRACHYS, Dohrn. Madagascar. 



The systematic position of these is doubtful. 



Section HEMIPLECTA, Albers, 1850. 

 X. STRTATULA, Semper. PI. 7, figs. 10-12. 



Imperforate, thin, yellowish horn-color, densely thread-striate 

 above ; whorls (i^, slowly increasing, the last not descending, 

 shining below. Diam. 22, alt. 15 mill. 



Ins. Luzon, Philippines. 

 X. ULOBOSA, Semper. PL 7, fig. 13. 



Covered perforate, thin, minutely granularly striate ; brown, 

 irregularly striate and maculate with darker brown ; whorls 5^, 

 the last obsoletely carinate, suture scarcely impressed, smooth 

 and shining below, a narrow brown band below the carina. 



Diam. 41, alt. 24 mill. 



Isl. Mindanao, Philippines. 



X. FUCHSTANA, Heude. PL 7, fig. 22. 



Umbilicated, solid, above thickly rugulosely striate, crossed 

 by spiral lines, nearly smooth below ; wine-red or brownish ; 

 whorls ,H, the last obsoletely carinate. Diam. 34, alt. 20 mill. 



Province of Hunan, China. 



X. CLATRVILLTA, Fer. PL 11, figs. 49, 50. 



Perforate, obliquely striate, base smoother; yellowish, be- 

 coming darker above and deepening into brown on the spire ; 

 whorls 6, the last tumid ; lip white, obtuse. 



Diam. 43, alt. 32 mill. 



Amboina. 



