PLEUROTOMA. ity gl 
P. sprrALis, H. A. Smith. PI. 4, fig. 44. 
Shell fusiform, pallid brown, cingulated with carinz, of which 
there are about twelve on the body-whorl, subequal, interstices 
obliquely striate; aperture narrow, collumella blackish brown; 
canal very short; outer lip thin, with a large sinus. 
ie idiam. 3 mill. 
Whydah, W. Africa. 
“This species belongs to the same group as P. violacea, 
Hinds.” Does it differ from the West African P. filosa of the 
same author? 
P. VALLATA, Gould. 
Shell small, lanceolate, lurid, with ten shouldered and carinate 
whorls, with elevated revolving lines—of which there are ten or 
twelve on the body-whorl; aperture one-third the total length 
of the shell, narrow; outer lip with a profound, wide sinus; 
columella smooth. L. 9, diam. 3 mill. 
Near Hong Kong, 10 fathoms, shelly mud (Stimpson). 
Unfigured. Said to be allied to P. violacea, and described as 
a Drillia. 
P. reciPpRocA, Gould. 
Shell small, lanceolate, with ten slightly convex whorls bear- 
ing revolving carinz, of which there are 4-5 on the spire-whorls, 
and 10-12 on the body-whorl; middle carina stronger, inter- 
spaces clathrate ; aperture one-fourth the total length, the sinus 
broad and deep; the canal short, wide and twisted. 
L. 12, diam. 4 mill. 
Ousima (Stimpson). 
Much like the preceding; but the color and relative size of 
caring are different. Unfigured, and unseen by me. 
P. suBATA, Hinds. PI. 4, fig. 46. 
. Whorls with several keels, of which the middle one is the 
largest, with a beaded row of granules immediately over it; 
yellowish brown. L. 25, diam. 11 mill. 
Malacca, China, Australia, 
P. acutigemmata, E. A. Smith, is an unfigured species, locality 
unknown. The describer says: ‘“ It is with considerable hesita- 
tion that I apply a name to this form, on account of its close 
