PYRAMIDELLA.— Plate V. 



ovali, lavigatd, anfraciibus paucis, subplanulatis, su- 

 tiird impressd, anfractu ultimo ovali, aperluru parvd, 

 ovatd, columella biplicatd, labro tenui. 

 The neat little Pyeamidella. Shell small, white, 

 rather oval, smooth, whorls few, rather flat, sutm-e 

 irapi-essed, last whoi'l rather oval, aperture small, 

 oval, columella with two plaits, outer lip thin. 



A. Adams, Ann. and Mag. Nat. Hist. 1860. 

 Hab. Japan. 



Differing from P. pusilla m the absence of internal 

 plaits. 



