PLEUROTOMA. 167 
P. ABBREVIATA, Reeve. PI. 3, fig. 25. 
Shell rather stout, with a prominent shoulder-keel, composed 
of two approximate ribs, and less prominent revolving ribs and 
lines below it, articulated with dark chestnut; above the keel 
concave, with a strong rounded sutural rib, marked by large dark 
chestnut spots. L. 33, diam. 12-15 mill. 
Red Sea, Mauritius, Philippines, Viti Islands. 
P. usTuLATA, Reeve. PI. 3, fig. 26. 
Shell short and stout, with channeled sutures and a carination 
composed of a pair of ribs, above and below which the surface is 
irregularly lirulate; pale burnt-brown, with transverse chestnut 
spots, and darker spots on the keel. L. 32, diam. 13 mill. 
Mauritius. 
P. PuHtipinert, Tenison-Woods. PI. 34, fig. 82. 
Shell elongately fusiform, ovate, turreted, rather solid, shining, 
palé chestnut, at the suture dotted fulvous; spire conical, a little 
longer than the aperture: whorls nine, convex, sloping, angular 
above and canaliculate, granular at the angle and sutures; 
spirally lirate and very finely striate lengthwise; lire broad, 
rounded ; interstices furnished with two or three lirule; apex 
acute, nucleus smooth, rounded; aperture widely ovate, labrum 
acute, sinus broad and deep, lip reflected, white, throat polished, 
canal short, scarcely recurved. The granules at the angle wide 
and numerous. L. 34, diam. 15; long. apert. 15, lat. 8 mill. 
Tasmania. 
Figured from a specimen kindly sent by Mr. C. E. Beddome. 
P. virnGINEA, Valenciennes. PI. 34, fig. 80. 
Shell short, with obtuse canal and spire, with strong revolving 
ribs ; whitish, maculated and spotted with chestnut. 
Length, 19 mill. Japan (Schrenck). 
Peculiar in its stumpy form: it is very different from Clava- 
tula virginea, Beck. 
Cingulate. 
Shell usually brownish or horn-color, unspotted, with 
strong, sharp revolving ribs. 
A. With long canal. 
P. racina, Ads. and Reeve. PI. 3, fig. 22. 
Shell dark chestnut-brown, with close, equal revolving ribs and 
narrower equal grooves, aperture purple. Length, 70 mill. 
12 China Sea. 
