1 20 NASSTNiE. 



Sub-gen. cjhsia, H. and A. Adams. 



Spire elevated, whorls rugose or cancellated, rounded; inner 

 lip with the callus defined; outer lip thin, simple. 



corrugata, A. Adams. perpinguis, Hinds. 



Japonica, A. Adams. Roissyi, Desk. 



limataj Che^n. turrita, A. Adam^. 

 obliquiplicata, Dkr. 



Sub-gen. uzita, H. and A. Adams. 



Spire acuminate, whorls striated, longitudinally ribbed or pli- 

 cate ; inner lip with the callus defined, with a single plait at the 

 fore part ; outer lip simple. 



angulifera, A. Adams. nucleolus, Phil. 



cinctella, A. Adams. nodulifera, Phil. 



clathratula, A. Adams. obtusata, A. Adams. 



denticulata, A. Adams. pallida, Potvis. 



glauca, C. B. Adams. proxima, C. B. Adams. 



miga, A dans. pulchella, A. Adams. 



Morrissii, Dhr. rufocincta, A. Adams. 



nivea, A. Adams. speciosa, A. Adams. 



nodata. Hinds. striata, C B. Adams. 



nodicincta, A. Adams. Sanctae Helense, A. Adams. 



nodifera, Powis. versicolor, C. B. Adams. 



Sub-gen. hebra, H. and A. Adams. 



Spire elevated, whorls spinose, muricated or tubercular ; inner 

 lip with the callus defined ; outer lip simple, not variced or den- 

 ticulate. 



crenicostata, A. Adams. geniculata, A. Adams. 



echinata, A. Adams. Gruneri, Dh\ 



