VOLUTA. MARGINELLA. 119 



lines, between which, and above the upper, are 

 numerous rows of dark spots, which are divided 

 from the lines by a row of larger distant black 

 spots ; body-whorl above and the whorls of the 

 spire noduliferous ; pillar with the plaits, except 

 the lower ones, very small. 2f. W. 21. 147. 



MARGINELLA. 



Shell ovate-oblong, smooth ; spire short ; outer lip 

 with a thickened margin; aperture sub-emargi- 

 nate at base; columella plaited ; folds sub-equal. 



* Spire salient. 

 M. GLABELLA. Ovatc-oblong, fulvous grey, 

 with redder zones and minute white scattered 

 dots ; spire short and conic, with its apex obtuse ; 

 pillar with four plaits. 1^. W. 26. 64. 



M. CERULESCENS. Obloug, bluish or green- 

 ish grey, with a small conical spire ; mouth pur- 

 plish brown ; lip smooth ; pillar with four plaits. 

 W. 20. 68. 



M. NUBECULATA. Ovate-obloiig, sub-turbi- 

 nated, whitish, with pale fulvous longitudinal 

 waved flammules, edged with black on one side ; 

 body-whorl obtusely angular above ; spire short, 

 conic, rather obtuse ; sutures indistinct ; pillar 

 with four plaits ; lip smooth within. Ij. W. 

 20. 65. 



M. FABA. Sub-ovate, smooth, slightly plaited 



