391 



quadrij)licata ; apcrtiirii posticc aiigustatu, anticc siibexpaiisa ; 

 labio extcnio in medio sub-incurvo, extils vix incrassato. 



A miuute species difleriiig from M. cyllndrica in general form 

 having a much more produced spire. 



LocaKty uidi;nown. 



67. Marginella T/ENIata (pi. Ixxvi. f. 128, 129.), nohis, 

 Zool. Proc. 1846, 



M. ovali, cylin(bica, pallide fulva, fasciis fuscis tribus cincta ; 

 spira brevi, apertura elongata, posticc sub-angustata ; columella 

 plicis quatuor quarum duabus anticis majoribus ; labio externo 

 Iffivi, late reflexo. 



Differing from M. arena, in having a short spire, and the outer 

 lip more broadly reflected. 



In Mr. Cummg's Collection. Locality unknown. 



68. Marginella avena (pi. Ixxvi. f. 130,), Valenciennes^ 

 Kiener, Sp. gen. coq. \dv. Marginella, p. 17. 



M. parva, oblonga, sub-cylindrica, alba vel pallide flavida, sub- 

 diaphana ; spira conica ; columella quadriplicata ; labio externo 

 Isevi, prope medium incurvo, extiis paululijm varicoso. 



Small, oblong, rather cylindrical, white, or pale yello\\ash fawn- 

 coloured , the spire conical, the columella with four folds ; the 

 smooth outer hp bent inwards near the centre. 



In Mr. Cuming's Collection. From Baclayon, Isle of Bohol. 



69. Marginella Fauna (pi. Lxxvi. f. 126, 127.), nobis. 

 Zool. Proc. 1846. 



M. ovaii, sub-cylindrica, pallidissime carnea, spira brevi ; colu- 

 mella oblique quadriplicata ; labio externo prope medium incurvo, 

 extus sub-incrassato. 



SUghtly resembling M. pallida, but more oval ; the lower part 

 of the aperture less open, and the outer lip thicker. 



Mr. Cuming's Collection. Locahty unknown. 



70. Marginella rubella (pi. Ixxvi. f. 133.), ? 



M. elongato-ovali, pallidissime rosea, spira brevi; columella 

 oblique quadriplicata ; labio externo in medio incurvo, exti^is vix 

 incrassato. 



A smooth oval, pale pink species, with four folds on the colu- 

 mella, and the outer lip shghtly tliickened and bent inwards near 

 the centre. 



2k2 



