PLATE V. 



All figures natural size, except 19 6., and all from the lied Crag Nodule-bed, except 

 7, 18, 19, which are Norwich Crag. 



1, a, b. RHINOCEROS INCISIVUS, Kaup. Upper premolar; a, 



grinding surface, b, inner side. Woodbridge. 

 M. P. G. 



2, RHINOCEROS INCISIVUS, Kaup. Upper premolar, inner sur- 



face. Suffolk. Ipswich Mas. 



3, RHINOCEROS INCISIVUS, Kaup. Upper premolar, grinding 



surface, figured by Sir R. Owen as R. Schleier- 

 macheri. Wolverton, Suffolk. (After Owen.) 



4, a, 6. RHINOCEROS SCHLEIERMACHERI, Kaup. Upper premolar ; 



0, grinding surface, , inner side. Suffolk, Ipswich 

 Mus. 



5, HALITHERIUM CANHAMI, Flower. Cheek tooth, grinding 



surface. Suffolk. Reed Coll., York Mus. 



6, HYRACOTHERIUM LEPORINUM, Owen. Right upper molars, 



grinding surface. Boyton. ; M. P. G. 



7, a, b. EQUUS STENONIS, Cocchi. Upper cheek tooth ; a, grinding 



surface, b, inner side. The two corners marked 

 by white lines (have been restored. Norwich Crag, 

 Thorpe. M. P. G. 



8, a, b. HIPPARION GRACILE, Kaup. Lower cheek tooth ; a, outer 



side, ^ grinding surface. Woodbridge. M. P. Or. 



9, a, b. HIPPARION GRACILE, Kaup. Upper cheek tooth, unworn, 



, inner side, b, transverse section. Woodbridge. 



M. P. G. 

 10, , b. TAPIRUS ARVERNENSIS ? Dev. and Sou. Lower cheek 



tooth ; a, grinding surface, b, side view. Wood- 

 bridge. M. P. G. 

 11, a, b. TAPIRUS ARVERNENSIS? D. and B. Upper cheektooth; a, 



grinding surface, b, end view. Boyton. M. P. G. 

 12, , b. CORYPHODON. Upper cheek tooth ; a, grinding surface, 



b, side view. Woodbridge. M. P. G. 

 13, , b, c. CASTOR VETERIOR, Lankester. Left upper fourth premolar ; 



a f inner side, b, outer side, c, grinding surface. 



Newbourn. Moor Coll., Great Bealings. 



1 4, a, b, c. CASTOR VETERIOR, L. Left upper fourth premolar, type 



specimen ; a, inner side, b, outer side, c, grinding 

 surface. Near Sutton. Reed Coll., York Mus. 



15, a, b. CASTOR VETERIOR, Lankester. Incisor provisionally referred 



to this species ; a, outline, 6, transverse section. 

 Sutton. Ipswich Mus. 



16, a, b. CASTOR FIBER, Linnceus. Left lower fourth premolar ; 



a, inner side, 6, grinding surface. Boyton. M. P. G. 



17, a, b. TROGONTHERIUM MINUS, Newton. Right maxilla with pre- 



molar 4 and molars 1 and 2 in place ; , outer side, 

 6, grinding surfaces of teeth. Felixstow. Moor 

 Coll., Great Bealings. 



18, a, 6. TROGONTHERIUM MINUS ? Incisor tooth provisionally re- 



ferred to this species ; a, side view, 6, transverse 

 section. Norwich Crag, Size well Gap. Geol. Soc. 

 Mus. 



19, a, 6. RODENT, genus ? Cheek tooth ; , side view ; 6, transverse 



section, enlarged. Norwich Crag, Bramerton. 



Reeve Coll., Norwich. 



o 63855. 



