NANINA. 107 



N. POWERT, H. Adams. PI. 36, fig. 60. 



Narrowly perforate, thin, subpellucid, very closely lightly 

 decussated, somewhat shining; greenish corneous; whorls 4 1 ,, 

 suture margined, the last subangulate. Diam. 8, alt. 3'5 mill. 



Peter Botte Mt., Mauritius. 

 N. PERLUCIDA, H. Adams. PI. 36, fig. (51. 



Narrowly perforate, thin, smooth, pellucid, shining ; yellowish 

 green ; whorls 5^, suture margined. Diam. 6, alt. 4 mill. 



Mauritius. 

 N. MICA, Morelet. PI. 36, fig. 66. 



Perforate, thin, smooth ; brownish corneous ; whorls 5. 

 Diam. 4, alt. 3 mill. 



Anjouin, Comoro Islands. 



N. CORDEMOYI, Nevill (unfigured). Ins. Bourbon. 



Section MACROCERAS, Semper, 1870. 



N. SPECTABILIS, Pfr. PI. 36, figs. 62-65. 



Subperforate, rather solid, very shining ; yellowish corneous, 

 with a chestnut or chocolate-colored band ; whorls 5^, the last 

 angulated below the band. Diam. 17, alt. 10 mill. 



Ins. Samar, Philippines. 

 Var. FUSCO-SUCCINEA, Beck. 



Unicolored, greenish yellow. Ins. Leyte, Philippines. 



Section BENSONIA, Pfr., 1855. 



N. LABIATA, Pfr. PI. 36, fig. 67. 



Openly perforate, thin, obsoletely decussated above, base 

 smooth, shining ; fulvous above, lighter-colored below, peris- 

 tome chestnut, callously margined within. Diam. 40, alt. 20 mill. 



Landoar. 



The color varies to whitish, unicolored or with an obscure 

 darker peripheral band. It is N. Bensoni, Hutton MS., and 

 may be identical with N. monticola, Hutton, as, surmised by 

 Theobald and others. 



N. MONTICOLA, Hutton. PI. 36, fig. 68. 



Perforate, striate, very minutely decussated by spiral lines ; 

 yellowish corneous, occasional^ strigate with chestnut, peri- 

 phery chestnut-colored, labiate with white within; whorls 6, the 

 last obsoletely angulated on the periphery. 



Diam. 36, alt. 18 mill. Landour ; Mahassu, Himalayas. 



