120 BOOK OF SPECIES. 



longitudinally ; the upper part of the whorls whit- 

 ish^ palish olive^ or flesh-colour^ with rows of black 

 dots ; spire rather prominent ; lip crenated within; 

 pillar with four plaits. W. 20. 63. 



M. LONGivARicosA. Ovate-oblong, shining, 

 very pale fulvous, with minute irregular scattered 

 white spots ; varix of the lip long^ extending even 

 to the apex of the spire, spotted with yellow ; 

 spire very short ; pillar with four plaits ; lip obso- 

 letely crenated within. |. 



M. BivARicosA. Ovate, entire, smooth, white, 

 broadly marginated with tumid sides ; spire nearly 

 hidden; pillar four-plaited. I. W. 19.62. 

 ** Spire not salient. 



M. BULLATA. Ovate-oblong, cylindraceous, 

 whitish, with numerous cloudy livid bands ; apex 

 obtvise; lip smooth; pillar with four plaits. |. 

 W. 20. 70. 



M. PERsicuLA. Obovate, smooth, shining, 

 whitish, covered with dull yellow or red spots ; 

 apex obtuse and concave ; pillar with seven plaits ; 

 lip crenulated within, j. W. 19. 55. 



M. LTNEATA. Obovate, with the apex con- 

 cave and obtuse ; white, girded with rather dis- 



