﻿CYLINDRELLA.— Plate XIII. 



Species 119. (Mas. Brit). 



Cylindeella recticosta. Gi/l. testa alhidd, costis 

 solidis, rectis, distantibus scidptd, medio infraque 

 ci/liiidricd, supemc sensim contractd ; anfractibv^ 



'-'■r 



trills inferiorihus suh- 

 tiir,l 2>rnfundd, ultimo 

 inafi'i, lata, margine 



The steaight-eibbed Cylindeella. Shell whitish, 

 sculptured with solid, straight, distant ribs, 

 cylindrical in the middle and below, sensibly 

 contracted above ; permanent whorls thirteen, 

 seven lower nearly equal, hardly convex ; suture 

 deep, last notched ; aperture approximate, broad, 

 margin thick. 



Pfeiffee. Mon. II. p. oGy. 



Hah. Oajaca, Mexico. 



