HI MA. li 



Subgcnuii Huna, Leiiub. 



N. STOLATA, Gincl. PI. 14, fi<r. 225. 



Whitish or yellowifcili, with a broad chocolate band on the 

 peripher}'^, and usually a narrower, subsutural one. 



Leno'th, "To-l inch. 



Indian Ocean. 

 N. l'A(JOOA. Heeve. PI. 14. lias. ■22(i-228. 



AVHiitish or yellow ish, stained or obscurely banded with l)rown. 



Length, 'S-P'i inches. 



GalapagoH Is., Panama to Mazatlan. 



Kiener's N.decusiiata{^g,.2'21)\s synonymous, and his locality 



*• W. Coast of Africa," as well as that given by Reeve for 



decussata " Brisbane Water, E. Australia," are both erroneous. 



N. angulife.ra, A. Ad. (fig. 228 \ is a juvenile shell; it comes 



from Galapagos (at ten fathoms), on the authority of Cuming. 



N. caneHcenii, C, B. Ad., and N. ac<<^a. Carpenter (not Say), both 



unfigured, are evidently the same species. 



X. Tritonifokmis, Kiener. PI. 14, tigs. 229, 280. 



Yellowish, ash-color, or light brown ; columella-callus and lip 

 white. Length, 1 inch. 



Philippini'K, on mud Hats— Cuming ; C'orisco Bay —Marrat. 

 N. futicata, A. Ad. (fig. 230), is probably the same species. 



N. MYRiSTiCA, Hinds, PI. 14, tigs. 231, 232. 



Light brown, the revolving ridges darker, sometimes dark- 

 spotted below the sutures. Length, 1 inch. 



Gape of Good Hope. 



Notwithstanding the greater prominence of the rcA'olving 

 ridges, more undulating longitudinal sculpture, and more rugose 

 columella, I doubt the distinctness of this from M. Triton i- 

 formU. 



Yar. RUFOLiiNEATA, Marrat. Fig. 232. 



Whitish or yellowish, stained or lineated with brown. 

 Length, '9 inch. 



Philippines. 

 It is the N. jjoli/gonata of Reeve (not Lamarck), and diflers 

 trom the typical N. myristica only in being shorter and broader. 



