26 TROCHUS. 



constricted around the upper part ; aperture strongly lirate within, 

 parietal wall lirate, or bearing a single acute spiral lamella. 



Indian Ocean; Zanzibar (Reeve) ; Java (Fischer) ; Viti Is. (Acad. 

 Coll.) 



T. verrucosa Gmel., Syst. Nat. xiii, p. 3572. 



The following variety is probably identical with this. It also is 

 connected with the typical maculatus by intermediate examples. 



Var. GRANOSUS Lamarck. PL 6, figs. 51, 60. 



Convexly conical, solid, thick, the last whorl constricted around 

 the upper portion ; periphery obtuse. 



Alt. 30, diam. 33 mill. ; alt. 45, diam. 40 mill. 



Indian 0.; New Caledonia (Montrouzier) ; Philippines (Acad. 

 Coll.) 



T. granosus Lam., An. sans Vert., vii, p. 20. Polydonta gibber- 

 ula A. Ad., P. Z. S., 1851, p. 155. 



The last locality, measurement and figures are for P. gibberula Ad. 



Var. INCARNATUS Philippi. PL 8, figs. 80, 81. 



Conical, altitude and diameter about equal ; roseate ; upper sur- 

 face granulate, and on the lower whorls and around the periphery 

 strongly plicate-tuberculate ; base flat, concentrically lirate, the 

 lirse feebly granose, seven or eight in number. Alt. 26 mill. 



T. incarnatus Phil., Zeitschr. f. Mai. 1846, p. IQS.Kust. Conch. 

 Cab., t. 16, f. 3. 



Var. SUBINCARNATUS Fischer. PL 8, fig. 77. 



Allied, according to Fischer, T. maculatus, but differing in the 

 following characters : the form is more conic, last whorl less convex, 

 less elevated, the spiral lirse on the inferior part of the last whorl 

 less conspicuous, the longitudinal folds strongly developed, render- 

 ing the periphery dentate ; T. incarnatus differs from this species in 

 being less conical, smaller, more elongate, with fewer lira? on the 

 base (7 or 8 instead of 12), etc. Alt. 32, diam. 39 mill. 



Indian 0. Mossi-Be, near Madagascar. 



T. subincarnatus Fischer, Journ. de Conch., 1878, p. 24. Coquil- 

 les Vivantes, t. 119, f. 6. T. incarnatus Rve. (lion Phil.), Conch. 

 Icon. sp. 68. 



T. INCRASSATUS Lamarck. PL 6, figs. 48-50. 



Conical, thick, heavy, solid, whitish, radiately striped above and 

 below with purplish red ; outlines of spire convex ; whorls 7 to 8, 



