381 



roseis, nigro pone marginatis ornata ; spira producta^ anfractibus 

 angulatis ; apice obtuso ; apertura lata ; columella quadriplicatu ; 

 labio externo Isevi, postice sub-emargiriato, turn angulato, aiitice 

 vix emarginato, pone leviter varicoso. 



Conical, smooth, with broad patches of a greyish or rosy colour, 

 edged by dark zigzag lines ; the whorls have an angle at some dis- 

 tance from the suture ; the outer lip is smooth, and its external 

 margin is not very prominent. 



From the east coast of Africa. 



28. Marginella intekmedia (pi. Ixxiv.f. 6. pi. Ixxvi. f. 90.), 

 Sow. Jwti. Zool. Proc, 1846. M. nubecula, var. alba, Kiener ? 



M. ovali, subangulata, ventricosa, obliqua, alba, leevi ; spird 

 producta; anfractibus rotundato-angulatis ; columella quadripli- 

 cata ; labio externo laevi, crassa, late retlexa. 



A more oblique and less conical shell than M. nubeculata, and 

 the outer lip is more broadly and strongly reflected. 



Mr. Sowerby^s Collection. 



29. Marginella mosaica (pi. Ixxv. f. 58, 59.), nobis. 



M. conica, laevi, ventricosa, maculis griseis subquadratis, an- 

 gulatim ornate ; spira breviusculaj anfractibus angulatis; aper- 

 tura lata ; columella quadriplicata, labio externo Isevi, postice emar- 

 ginato, tum angulato, deinde prope angulum emarginato, in medio 

 sub-incrassato, pone vix varicoso. 



This species has a much shorter spire than 31. nubeculata, and the 

 outer lip has a notch near the posterior angle. 



30. Marginella rosea (pi. Ixxv. f. 56, 57.), Lam. Anim. 

 s. vert. V. vii. 



M. ovali, laevi, macuKs roseis vel fulvis, nigro-marginatis ornata; 

 spira producta, apice obtusa, anfractibus sub-rotundatis, vel leviter 

 angulatis ; apertura lata ; columella quadriplicata ; labio externo 

 laevi, postice emarginato, tum angulato, deinde late emarginato, 

 pone fasciatim maculato. 



More oval than M. nubeculata, and much less an gular ; the 

 outer lip has a notch near the angle. 



West Africa. 



31. Marginella piperita (pi. Ixxv. f. 40, 44.), Hinds, Zool. 

 Proc. 1 844. 



"M. testa obovata, maculis parvis nigris et albidis, interdum 

 longitudinalitcr coalitis, confertim ornata; spira retusa, conica; 



2i 



