391 



quadriplicate ; aperture postice angustate, antice subexpansa ; 

 labio externo in medio sub-incurvo, extus vix incrassato. 



A minute species differing from M. cylindrica in general form 

 having a much more produced spire. 



Locality unknown. 



67. Marginella t^eniata (pi. lxxvi. f. 128, 129.), nobis. 

 Zool. Proc. 184-6. 



M. ovali, cylindrica, pallide fulva, fasciis fuscis tribus cincta ; 

 spira brevi, aperture elongate, postice sub-angustata ; columella 

 plicis quatuor quarum duabus anticis majoribus ; labio externo 

 ltBvi, late reflexo. 



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

 lip more broadly reflected. 



In Mr. Cuming's Collection. Locality unknown. 



68. Marginella avena (pi. lxxvi. f. 130.), Valenciennes, 

 Kiencr, Sp. gen. coq. viv. Marginella, p. 17. 



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

 diaphana ; spira conica ; columella quadriplicate ; labio externo 

 lsevi, prope medium incurvo, extus paululum varicoso. 



Small, oblong, rather cylindrical, white, or pale yellowish fawn- 

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

 smooth outer lip 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. ovali, sub-eylindrica, pallidissime carnea, spira brevi ; colu- 

 mella oblique quadriplicate ; labio externo prope medium incurvo, 

 extus sub-incrassato. 



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

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



Mr. Cuming's Collection. Locality unknown. 



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



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

 oblique quadriplicate; labio externo in medio incurvo, extus vix 

 incrassato. 



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

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

 the centre. 



2 k 2 



