TROCHUS. 31 



young shells of this group. Color greyish, more or less green 

 tinged, and maculate with purplish brown, the lower part of each 

 whorl encircled by a purplish or red band ; base minutely macu- 

 late with reddish. Alt. 11-12, diam. 9-10 mill. 



Locality, Philippines. 



T. FASTIGIATUS A. Adams. Vol. x, PL 43, fig. 60. 



Shell conical, imperforate, red, variegated with longitudinal white 

 maculations ; whorls plane, concave in the middle, ornamented 

 above with three series of nodules, furnished with subspinous nod- 

 ules at the sutures; base plane, concentrically lirate, the line cren- 

 ulated ; columella posteriorly canaliculate, anteriorly truncated ; 

 lip angulate in the middle. (Adams.} 



Trochus fastigiatiLs A. ADAMS, P. Z. S., 1851, p. 150. REEVE 

 Conch. Icon., f. 87. 



Evidently allied to T. calcaratus Souv. 



T. LACINIATUS Reeve. PL 42, fig. 16. 



Shell excavately umbilicated, rather sharply conical, green, stained 

 with purple-brown ; whorls rather concavely flattened, regularly 

 spirally granulated, neatly plicately tubercled at the margin, tuber- 

 cles descending ; base flat, grain-ridged, ridges rather distant. 



(Reeve.) 



T. laciniatus REEVE, Conch. Icon., f. 76 (1861). 



Similar in form and sculpture to T. tubiferus, Kn., but differs in 

 the smooth-edged columella. 



T. TUBIFERUS Kiener. PL 6, figs. 62, 63. 



Shell conical, altitude and diameter about equal, false-umbilicate, 

 solid, thick ; spire with rectilinear or slightly convex outlines ; whorls 

 about 9, planulate, or a little concave, the last carinatcd and spinose 

 at the periphery ; color above grayish, maculated with purplish 

 brown and faint green ; base radiately striped, lineolate or maculate 

 with brown ; upper surface of whorls closely granulose, and each 

 whorl bearing at its periphery about 17 radiating perforated short 

 spines ; base slightly convex, with 10 to 12 narrow closely granulose 

 concentric line ; aperture white within, outer and parietal walls 

 strongly lirate, parietal wall the same color as the base, but overlaid 

 with a white callus; basal margin straight, very thick, dentate; col- 

 umella oblique, its edge convex, quadri-dentate, within spirally 



