381 



roseis, nigro pone marginatis ornata ; spira producta, anfractibus 

 angulatis ; apice obtuso ; apertura lata j columella quadriplicate ; 

 labio externo laevi, postice sub-emarginato, turn angulato, antice 

 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 intermedia (pi. lxxiv.f. 6. pi. lxxvi. f. 90.), 

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



M. ovali, subangulata, ventricosa, obliqua, alba, laevi ; spira 

 producta ; anfractibus rotundato-angulatis ; columella quadripli- 

 cata ; labio externo laevi, crassa, late reflexa. 



A more oblique and less conical shell than 31. nubeculata, and 

 the outer lip is more broadly and strongly reflected. 



Mr. Sowerby's Collection. 



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



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

 gulatim ornata ; spira, breviuscula ; anfractibus angulatis ; aper- 

 tura lata ; columella quadriplicata, labio externo la;vi, postice emar- 

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

 sub-incrassato, pone vix varicoso. 



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

 outer lip has a notch near the posterior angle. 



30. Marginella rosea (pi. lxxv. f. 56, 57.), Lam. Anitn. 

 s. vert. v. vii. 



M. ovali, lasvi, macubs roseis vel fulvis, nigro-marginatis ornata; 

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

 angulatis; apertura lata; columeUa quadriplicata ; labio externo 

 lasvi, postice emarginato, turn angulato, deinde late emarginato, 

 pone fasciatim maculato. 



More oval than 31. nubeculata, and much less an gular ; the 

 outer lip has a notch near the angle. 



West Africa. 



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

 Proc. 1 844. 



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

 longitudinaliter coabtis, confertim ornata; spira retusa, conica; 



2 i 



