PLATE V. 



Ziphim tenuirostris. 



Fig. 



1. Side view of rostrum, wanting the end. 



2. Upper view of ditto. 



2*. Outline of transverse section of ditto at the part marked * ni figs. 1 

 and 2. 



Uphills coinpremia. 



3. Side view of rostrum, wanting the end. 



3*. Outline of transverse section of ditto at the part marked * in hg. 3. 



Fossils, from the Red Crag of Suffolk. 



Ill the British Museum. 



