DRILLIA. 199 
D. CANTHARIS, Reeve. Pl. 15, fig. 22. 
Shell thick, solid, smooth; whorls oblique, nodosely plicated 
round the middle; sinus rather large; very dark brown, nodules 
whitish. Length, 11 mill. 
Philippines. 
Evidently described from a stunted specimen. The figure is 
double the natural size. 
D. niTipA, Kiener. Pl. 15, fig. 20. 
Shell ovate, rather stout, smooth, shining; yellowish, painted 
with brown revolving lines, rose-tinted at the apex ; upper whorls 
of the spire delicately plaited; lip simple, contracted in the 
middle. Length, 10 mill. 
Habitat unknown. 
D. ruBietINosA, Hinds. PI. 15, fig. 17. 
Whorls six, somewhat rounded, with revolving striz; reddish 
brown. Length 7°5 mill. 
Straits of Malacca, in mud, 17 fms. (Hinds). 
This and the preceding species are aberrant forms of the group 
Crassispira. 
D. MAraAvianaé, Bivona. PI. 8, fig. 12. 
Whorls usually somewhat round-shouldered, shell finely 
flexuously longitudinally plicate, plicze about twenty ; lip usually 
externally varicose, sinus wide; yellowish- or reddish-brown, 
shining, sometimes banded. Length, 12 mill. 
Mediterranean Sea, Bay'of Biscay. 
The synonymy includes Fusus semicostatus, Cantraine, Pl. 
incrassata, Dujardin, Pl. crebricostata, Hinds, Pl. incisa, Reeve 
(figured), Pl. elegans, Scacchi. 
The following are unfigured species of the Crassispirz, which 
I am unable to arrange. 
D. microstoMaA, E. A. Smith. Ceylon. 
D. MELANACME, E. A. Smith (? = young D. zebra). 
St. Vincent, W. TI. 
D. uatizonata, E. A. Smith. Habitat unknown. 
D. Carissa, EK. A. Smith. Cuba. 
D. ATRAMENTOSA, E. A. Smith. (Near P. discers, Sowb.) 
Panama. 
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