352 JOtTRNAT, OF CONCHOLOCY, VOL. I4, NO. tl, jtTI.V, T915. 



rather lightly impressed ; columella margin nearly vertically 

 descending, a little curved below, diffused above into a whitish, 

 well-defined, parietal callus, which reaches the upper margin of 

 the labrum ; labrum acute, dilated at the base, somewhat bent 

 inwards over the aperture above ; aperture ovate. 



Alt. 3 mm. ; diam. raaj., i'25 mm. 



Hab. : Port Famine, Straits of Magellan, from a muddy bottom 

 (Lionel E. Adams). 



Littoridina lioneli sp. nov.— 



Shell subulately fusiform, whitish, covered with a greenish- 

 yellow periostracum ; whorls six, the last slightly convex, smooth; 

 suture impressed ; columella obliquely descending above, then 

 rather sharply curved, and again obliquely descending in the 

 opposite direction below ; labrum acute, a little dilated at the 

 base, and slightly bent inwards over the aperture above ; aperture 

 rather elongately ovate. 



Alt., 4 mm. ; diam. maj., 175 mm. 



Hab. : Port Famine, Straits of Magellan, from a muddy bottom 

 (Lionel E. Adams). 



Littoridina faminensis sp. nov. — 



Shell subulate, whitish, covered with a greenish periostracum ; 

 whorls six, regularly increasing, somewhat flattened, smooth ; 

 suture impressed : columella descending in a curve, extending 

 above into a thickish, well-defined, parietal callus, which reaches 

 to the upper margin of the labrum ; labrum acute, dilated at the 

 base and in front ; aperture rather roundly ovate. 

 • Alt., 375 mm. ; diam. maj., i'5 mm. 



Hab. : Port Famine, Straits of Magellan, from a muddy bottom 

 (Lionel E. Adams). 



Littoridina angustiarum sp. nov. 



Shell allied to L. faminensis Preston, but much broader and 

 with more convex whorls ; the periostracum is of a hght reddish- 

 brown colour, and the aperture is rather more oblique and longer 

 than is the case in that species. 

 Alt., 4 mm. ; diam. maj., 2 mm. 



Hab. : Port Famine, Straits of Magellan, from a muddy bottom 

 (Lionel E. Adams). 



