DRILLIA. 199 



D. CANTHARIS, Reeve. PI. 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. 



Evidentl} 7 described from a stunted specimen. The figure is 

 double the natural size. 



D. NITIDA, 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. RUBIGINOSA, Hinds. PL 15, fig. 17. 



Whorls six, somewhat rounded, with revolving striae; 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. MARAVIGN^;, Bivona. PL 8, fig. 12. 



Whorls usually somewhat round-shouldered, shell finely 

 flexuously longitudinally plicate, plicae about twenty ; lip usually 

 externally varicose, sinus wide ; yellowish- or reddish-brown, 

 shining, sometimes banded. Length, 12 mill. 



Mediterranean Sea, Bay of Biscay. 



The synon3 r my includes Fasus semicostatus, Cantraine, PI. 

 incrassata, Dujardin, PL crebricostata, Hinds, PL incisa, Reeve 

 (figured), PL elegans, Scacchi. 



The following are unfigured species of the Crassispiree, which 

 I am unable to arrange. 



D. MICROSTOMA, E. A. Smith. Ceylon. 



D. MELANACME, E. A. Smith (? = young D. zebra). 



St. Vinvent, W. I. 



D. LATIZONATA, E. A. Smith. Habitat unknown. 



D. CARIBB^A, E. A. Smith. Cuba. 



D. ATRAMENTOSA, E. A. Smith. (Near P. discors, Sowb.) 



Panama. 

 14 



