OCINEBRA. 121 



rather short, attenuated and recurved. White, stained with brown 

 between the varices. Length, 1-12 inches. 



Darnley Isl., Torres Sts., Austr. Only one specimen, dredged in 30 



fathoms. Not figured. 

 M. ANOMALA, Angas. PI. 36, fig. 422. 



Shell rather solid ; light brown, with a darker, black-spotted 

 median band, and undulating longitudinal stripes, which are more 

 prominent near the base of the last whorl. 



Port Jackson, Austr. Dredged in 25 fathoms. 



Described as a Cronia (Purpura), but appears to agree better 

 with Ocinebra. 



M. GRAVIDUS, Hinds. PI. 36, fig. 423. 



Five varicose, varices fimbriated by revolving ribs; canal rather 

 long, recurved to the left. Whitish, banded with brown above. 



Length, .85 inch. 



Cape Blanco, W. Coast of Africa ; 60 fathoms. 



Perhaps the young of some species of Phyllonotus. 



#** Group of M. tetragonus, Brod. Tropical. 

 M. TETRAGONUS, Brod. PI. 36, figs. 424, 425. 



Shell quadrangular, four varicose ; varices very prominent, 

 thickened, scaly fimbriated, interstices transversely ribbed ; canal 

 short, much recurved. White. Length, 1 inch. 

 Andaman Islands (E. A. Smith); Viti Isles (Polynesia], (A. J. Garrett); 

 Bet Island, Torres Sts., Australia, 11 fathoms (Brazier). 



I agree with Reeve in considering M. breviculus, Sowb., (fig. 

 425), a variety of this species, the growth being much more 

 pyramidal in some specimens than in others, and the varices 

 sometimes five in number. 



M. CYCLOSTOMA, Sowb. PL 36, fig. 426. 



Ovate, gibbous, six varicose, a little shouldered, varices crossed 

 by prominent ribs ; spire and canal short. Whitish, more or 

 less tinged with brown. Length, '8 inch. 



Red Sea, 11 fathoms ; Isle of Boliol, PJtillipines. 



M. MUNDUS, Reeve. PI. 36, fig. 42f . 



Five varicose, varices narrowly laciniated ; spire produced ; 

 canal very short. Yellowish-white. Length, -f inch. 



Isle of Zebu, Phillipines, Cuming. 



16 



