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, Pi. 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 lirre cren- 

 ulated ; columella posteriorly canaliculate, anteriorly truncated ; 

 lip angulate in the middle. (^Adams.~) 



Trochus fasUgiatus A. Adams, P. Z. S., 1851, p. 150. — Reeve 

 Conch. Icon., f. 87. 



Evidently allied to T. calcaratns Souv. 



T. L ACINI ATus Reeve. PI. 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 ; l)ase flat, grain-ridged, ridges rather distant. 



(Reeve.) 



T. laciniatus Reeve, Conch. Icon., f 7G (1861). 



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

 the smooth-edged columella. 



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



Shell conical, altitude and diameter pbout equal, false-unibilicate, 

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

 about 9, planulate, or a little concave, the last carinatcd and sj)inose 

 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 lirte ; 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 



