375 



latis; columella quadriplicatu ; labio externo crenulato, crasso, 



pauliilum arcuato, postice angulato, antice emaro-inato, attenuato. 



Much more angular than the true M. Faba, aiid lias the anterior 



part of the body whorl tapering and bent upwards. Prom Senegal. 



6. Marginella Adansoni (pl.lxxiv. f. 3, 4, 5.), Kiener, Sp. 

 gen. coq. Marginella, p. 5, M. bifasciata, {Lam.), Sow. Gen. of Sh. 



M. angulata, postice sub-attenuata, sub-recurva ; grisea, lineis 

 nigris oblique longitudinaliter fasciata ; vel rubra, lineis iuscis , 

 vel fasciis duabus interruptis, et liniis obliquis fuscis ; spira promi- 

 nulil ; aniVactibus angulatis, ad angulum leviter crenulatis ; colu- 

 mella quadriplicate, labio externo crasso, crenulato ; postice sub- 

 angulato, antice emarginato, attenuato. 



Much like M.j^-^eudo-faba in general form, but decidedly angular 

 and more elongated ; there are several varieties in colouring, but 

 all have the undulated oblique lines. 



Isle of Gorea, Senegal. 



7. Marginella splendens (pi. Ixxiv. f. 23, 24.), Reeve, Zool. 

 Proc. 1842, and Conch. Si/st. 



M. ovali, creberrime plicata, pallide rosea, griseo vel rubro nebu- 

 lata, maculis griseis vel roseis curvatis per seriebus tribus dispo- 

 sitis; spira producta, anfractibus rotundatis; columella plicis 

 quatuor sub-quadratis, ultimis duabus obliquis; labio externo 

 antice emarginato, intiis crenulato, extiis punctato. 



Like M. glabella in general form, but finely ridged, and having 

 three rows of curved spots on the back, besides the minute dots 

 which cover the shell. 



In Mr. Cuming's Collection ; from Guinea. 



8. Marginella Bellii (pi. Ixxiv. f. 28, 29.), nobis. 



^ M^ angulata, plicata, grisea, fasciis duabus nigrescentibus 

 cincta, lineis nigris elongatis, creberrime undata ; spira i)roducta ; 

 columella oblique quadriplicata ; labio externo crasso, intiis crenu- 

 lato. 



The plicse or ribs are lengthened so as nearly to reach the ante- 

 rior part of the whorl; the aperture is shorter in proportion to the 

 spire, and the outer lip thicker, than in if. Adansoni ; there arc 

 very minute w^aved hues all over the shell. 



From Professor Bell's Collection ; locality unknown. 



9. Marginella striata (pi. Ixxv. f. 81, 82.) noils. 



M. parva, ovali, alba ; anfractibus crenulatis; columella quadri- 

 pHcata, labio externo crenulato. 



2 i[2 



