18 



C an c e 1 1 ar i a e 1 1 sme r e n s i s , new sp. 

 PI. 2, fig. 2. 



Shell fusiform, spire elevated, whorls five to six, 

 slightly angulated "below the suture; suture impressed, 

 angulation absent on the body whorl; mouth opening narrow 

 equal to half the height of shell; whorls ornamented with 

 ten to twelve longitudinal ridges, on body whorl these 

 become irregular in shape, and the angulation is absent; 

 whorls show three or four extremely faint radial lines, 

 which are absent in body whorl except for small area on 

 posterior part of columella; outer lip thin, columella 

 encrusted, smooth except for two acute plications anterior- 

 ly; canal short straight. 



This species is similar to _C. copper! t Gabb, from 

 which it differs by smaller size, absence of angulation 

 on body whorl, and the irregular growth lines on body whorl. 



Altitude 25 mm.; width 12mm.; mouth opening length 

 equal to about half total height of shell, width 5 



