384 MURICID^. 



meiit of the canal ; pillar lip flcxuous, 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. 



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

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



