NANINA. 35 



N. FUSCOLUTEA, Grat. PL 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. HfiSTIA, X. BASALTS, N. 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 6^, slowly increasing, the last not descending, 

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



/ft*. Luzon, Philippines. 

 X. GLOBOSA, Semper. PI. 7, fig. 13. 



Covered perforate, thin, minutely granular!}* 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 hand below the carina. 



Diam. 41, alt. 24 mill. 



7s/. Mindanao, Philippines. 



N. FUCHSIANA, Heude. PL 7, fig. 22. 



Umbilicated, solid, above thickly rugulosely striate, crossed 

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

 whorls 5|, the last obsoletely carinate. Diam. 34, alt. 20 mill. 



Province of Hunan, China. 



X. CLATRVILLTA, Fe'r. 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. 



