384 



MURICID^. 



ment of the canal ; pillar lip flcxiious, concave above, and to the be- 

 ginning of the canal where it twists outwards, causing a bluntly 

 rounded projection, and forming the inner margin of the canal, 



Fig. 646. 



J5. carica. 



•which is gently curved upwards, and to the right ; interior bright 

 brick-red or light fawn color; operculum unguiform, apex at one 



