GUDK : LAND SHELLS FKOM COLOMBIA. 23 



convex, increasing rather slowly at first, the last increasing rapidly, 

 and dilated towards the mouth ; the earlier whorls pale brown, 

 becoming gradually darker, the last dark brown with blackish streaks 

 at the lines of growth, descending slowly in front. Aperture circular, 

 scarcely oblique ; peristome simple, acute, slightly sinuate at the 

 junction of the upper and columellar margins; operculum slightly 

 concave. Diam. maj. 39-5, min. 30 mm. ; alt. 30 mm. 



Type in the British Museum, presented by Major Peile. 



Its nearest ally appears to be Neocyclotus Belli, Beddome,' but that 

 species is considerably larger, and lacks the coarse granules so 

 conspicuous a feature in the present species. 



^ These Proceedings, vol. viii, p. 20, 1908. 



