19 



Cane ell aria tri t o jiidag. i Gabb, var. 

 ~ an^uljilfajiew var, 

 PT. 1, fig. 3. 



Si z e medium, spire elevated, apex absent, three 

 whorls presentl whorls angulated below suture; ornamented 

 by twleve transverse ribs on each whsrl, the ribs forming 

 nodes along the shoulder; lower part of the body whorl 

 concave outwardly in outline, and the vertical ridges 

 are absent from this part; shell spirally ornamented 

 by alternating coarse and fine lines; outer lip smooth, 

 inner lip encrusted; canal short and straight. 



This variety differs from . tritpnidae in smaller 

 prominence of the vertical ridges, and greater angulation. 

 In the angulation this variety resembles the earlier 

 whorls of . t r itpni dae . 



Altitude 20 mm.; width 17 mm.; height of mouth 

 opening equal to half total height of shell. 



