230 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [Feb. 20, 



Fig. 5. Grinding surface of a left lower molar of the Rhinoceros Schleiermachet^i ? 



(From a Crag-pit, Felixstow : communicated by G. Ransome, Esq.) 



In these lower molars are marked — a the outer side of the front lobe, 



b the outer side of the back lobe, c the front ridge, d the mid ridge, e the 



back ridge, of the grinding surface,/ the front valley, g the back valley. 



Fig. 6 a. Grinding surface of unworn crown of a right lower molar of the Rhino- 

 ceros Schleiermacheri ? (From a Crag-pit, Sutton; communicated 

 by George Ransome, Esq.) 



Fig. 6 b. Anterior surface of the same. 



Fig. 6 c. Posterior surface of the same. 



Fig. 7. Grinding surface of second lower molar, right side, of the Rhinoceros 

 Schleiermacheri ? (From a Crag-pit, Sutton ; communicated by 

 W. C. Maclean, Esq.) 



Fig. 8 a. Grinding surface of a lower molar tooth of the Tapirus priscus, Kaup. 

 8 b. Side view of the same. (From a Crag-pit, Sutton ; communi- 

 cated by W. C. Maclean, Esq.) 



Fig. 9. Upper molar of Tapirus priscus, (From a Crag-pit, Suffolk : British 

 Museum.) 



Fig. 10. Grinding surface of the last left upper molar of the Sus palceochoerus. 

 (From a Crag-pit at Sutton ; communicated by W. C. Maclean, Esq.) 



Fig. 11. Part of a molar tooth of the Sus antiquus'i (From a Crag-pit at Rams- 

 holt ; communicated by W. C. Maclean, Esq.) 



Fig. 12 a. An upper molar of the Equus plicidens? (From a Crag-pit at Bawd- 

 sey ; communicated by Sir Charles Lyell.) 



Fig. 12 b. Polished section of the grinding surface of the same tooth. 



Fig. 13,0,6. A much-worn lower molar of a species of Equus: a, grinding sur- 

 face ; b, side view. (From the Fluvio-marine Crag at Norwich ; 

 communicated by W. C. Maclean, Esq.) 



Fig. 14, a, b. Portion of a shed antler of the Cervus dicranoeerus ', b, base of the 

 same. (From a Crag-pit, Sutton; communicated by George Ran- 

 some, Esq.) 



Fig. 15. Grinding surface of a lower molar of the Cervus dicranoeerus ^ (From a 

 Crag-pit, Sutton; communicated by Ed. Acton, Esq.) 



Fig. 16. Oblique basal view of a portion of a shed antler of a larger individual of 

 the Cervus dicranoeerus. (From a Crag-pit near Ipswich ; com- 

 municated by George Ransome, Esq.) 



Fig. 17 a, side view, 17 b, grinding surface, of an upper molar of the Cervus 

 dicranoeerus ? (From the same pit ; communicated by George Ran- 

 some, Esq.) 



Fig. 19. The lower carnassial tooth of the Felis pardoides. (From a Crag-pit, 

 Newbourn; communicated by W. C. Maclean, Esq.) 



Fig. 20. The lower carnassial tooth of a Carnivore, allied to Hycenodon and Ptero- 

 don. (From a Crag-pit, Woodbridge ; communicated by Ed. Acton, 

 Esq.) 



Fig. 21. The left upper carnassial tooth of a species of Canis: c, outer side ; a, 

 inner side ; b, fore-part. (From a Crag-pit, Woodbridge ; com- 

 municated by Ed. Acton, Esq.) 



Fig. 22, a, b. Two views of a portion of the lower jaw of a species of Canis. (From 

 a Crag-pit, Woodbridge ; communicated by Ed. Acton, Esq.) 



Fig. 23. The tooth of a Grampus {Phocdsna, sp. iud.). (From a Crag-pit, Bawd- 

 sey ; communicated by W. C. Maclean, Esq.) 



Fig. 24. Portion of the upper jaw of the Ziphius (Dioplodon, Gervais). a, Section 

 of the smaller end of ditto. (From a Crag-pit, Felixstow ; commu- 

 nicated by George Ransome, Esq.) 



All the foregoing ^gures are of the natural size. 



Fig. 18. The base of the antler of the Megaceros hibemicus, one-third the natural 

 size : a, the surface from which the brow-antler had been broken 

 off. (From a Crag-pit at Felixstow ; communicated by George Ran- 

 some, Esq.) 



