SOWERBY : MARINE SHELLS OF SOUTH AFRICA. 9 



M. poucheti Petit {=M. vittata, Reeve).— Very rarely found 

 in good condition. 



M. piperata Hinds. — Several varieties. 



M. piperata var. albocincta Sowerby. 



M. lineoiata Sowerby, no v. sp. — Testa pyriformis, Icevis 

 cce7'idesce7ite-cinerea, punctis tenebrosis unbratis hie illic con- 

 spersa, lineis numerosis tefuiissimis luididaiislongitudinaliter 

 notata ; spira conica, apice obticso ; anfractits superne con- 

 cavo-declives, delude convexi ; anfr. til tint us convex us, superne 

 sub-hwnerosKS, infenie leviter attemiatus ; apertura latius- 

 cula; labruin refiexum, albidiun; colluniella rectiusci/la, quad- 

 riplicata. Long, jo, lat. i^. 



Shell pyriform, smooth, bluish ash colour, with here 

 and there a sprinking of dark shaded spots, and marked 

 with numerous very thin longitudinal waved lines ; spire 

 conical, with an obtuse apex ; whorls concavely sloping 

 above, thence convex; last whorl convex slightly shouldered 

 above and a little attenuated towards the base ; aperture 

 rather wide ; lip refiexed, whitish ; columella rather straight 

 four-plaited. 



Beach-rolled specimens of this species have been 

 familiar to me for some time, but a perfect specimen 

 having now come to hand, I describe it, as I could not 

 have done previously. 



M. bairstowi Sowerby, nov. sp. — Testa sub-ovata, albida, 

 maculis wnbratis, griseis undulatis picta ; spi?-a abbreviato- 

 conica, apice obtuso ; anfractus superne concavo declives ; 

 anfr. ultimus superne obtuse angulatus, infra angulimi 

 Icevissinie convexus, basin versus aliquanto aftenuatus ; aper- 

 tura mediocriter lata ; peristoma simplex ; labrum refiexicm, 

 incrassatujn, albutn vlx arcuatum ; columella rectluscula, 

 quadrlplicata. Long, zj", maj. lat. g mill. 



Very like M. ?nosalca in form, but much smaller, and 

 without the transverse rows of oblong dark brown spots so 

 characteristic of that species. 



