146 CONTRIBUTIONS 



the middle ; canal rather long and flexed ; outer lip sub- 

 crenate, within sulcate. 

 Length .6, Breadth .3, of an inch. 



Observations. This is a beautiful little species, rough 

 ened nearly all over by decussate striae. On the large 

 transverse stria3 there is a series of small nodules at the 

 point of section. 



F. bicarinatus. Plate 5. Fig. 147. 



Description. Shell subturbinate, minutely and trans 

 versely striate, longitudinally and minutely folded above ; 

 substance of the shell rather thick ; suture linear ; whorls 



, rather inflated, bicarinate in the middle ; canal 



rather long and straight ; outer lip striate within. 

 Length .5, Breadth .2, of an inch. 



Observations. The lower part of a single individual of 

 this species only has come under my notice. It is distinct 

 from any other herein described. Its minute folds may 

 be seen round the largest part of the whorls. 



F. venustus. Plate 5. Fig. 148. 



Description. Shell fusiform, furnished with large lon 

 gitudinal folds cut by small transverse striae ; substance of 

 the shell rather thin ; spire elevated and acute at the 

 apex ; whorls six, convex ; canal rather short ; mouth 

 narrow, one half the length of the shell ; outer lip sharp. 



Length .4, Breadth 3-20ths, of an inch. 



