TROCHUS. 45 



at the periphery ; color whitish, h)n<;itudiiially flanimuhite with 

 brown, base radiately marked with narrow brown stripes, often 

 broken into tcsselhvtions ; sculpture consisting of about four spiral 

 cinguli, of which the middle two are granidose ; the ui)per and lower 

 are wider, smooth or obsoletely granose ; base convex, with 6 or 7 

 concentric narrow^ feebly granose lirse, the interstices minutely 

 concentrically striate ; aperture oblique, rounded rhoraboidal, outer 

 lip lirate within, columella and basal lips thickened, denticulate ; 

 columella folded above ; umbilical area white, false umbilicus very 

 narrow, with a spiral sulcus and fold within. 



Alt. 15-17, diam. 14-16 mill 



Indian Ocean; Bombay; Ghina{f). 

 T. scabrosus Philippi, Zeitschr. f. Mai. 1850, p. WO.— ConcJnjl. 

 Cab. p. 29 ^ t. 43, f. 3.— Fischer, Coq. Viv. p. 335, t. 104, f 2. 



V 



Unfigared, insafficleidly described species of Trochns, Polydoiita, etc. 

 P. PALLiDULA A. Adams. (PL 42, fig. 6.) 



P. testa elevato-conica, albida, maculis luteolis picta ; anfractibus 

 planis, cingulis tuberculorum ornata, tui)erculis inferne in costas 

 excurrentibus ; basi convexa, cingulis granosis ornata, cavitate con- 

 torta uml)ilicum simulante; columella superne soluta, niargine 

 tuberculato-dentato ; labro iutus lirato, inferne denticulato. 

 Ad., p. Z. S. 1851, p. 155.— Reeve, Conch. Icon., f. 92. 



Habitat unliuotvn. 



P. CORRUGATA A. AdauiS. 



P. testa elevato-conica, albida, rufo-fusco variegata; anfractibus 

 planiuseulus, sulcis transversis sulcisque obliquis nodoso-reticulatis; 

 inferne oblique costatis, costis nodosis ornatis ; basi plauiuscula, in 

 medio concava, excavata, umbilicum mentiente ; columella superne 

 soluta, margine tuberculato-dentato ; labro intus lirato, inferne 



denticulato. (A. Ad., P. Z. S. 1851, p. 155.) 



Habitat unknown. 



P. (Infundibulum) neptuni a. Adams. 



P. testa elevato-conica, lateribus convexiusculis, viridi-fusca ; an- 

 fractibus planis, cingulis granosis transversis ornatis, ultimo angulato, 

 basi planiusculo, cingulis granosis instructo, centre excavato, 

 umbilicum mentiente ; columella superne soluta, margine tuberculato- 

 dentato, labro intus lirato, ad marginem intus laivigato. 



(A. Ad., P, Z. S. 1854, p. 132.) 



China (Mus, Cuming.) 



