195 



giganteum, showing the great thickness of the enamel, and the course of 

 the tubuli of the dentine. 



From the miocene tertiary formations at Epplesheim, Hesse Darm- 

 stadt. Presented by Dr. Kaup. 



816. The crown of the last molar tooth of the left side of the lower jaw of the 

 Dinotherium giganteum. 



From the miocene tertiary formations at Epplesheim, Hesse Darm- 

 stadt. Presented by Dr. Kaup. 



817- The last molar of the left side of the lower jaw of the Dinotherium gigan- 

 teuni. The tuberculate summits of the transverse ridges of the crown 

 have been worn away by mastication, and the two long and thick fangs 

 have been completed. 



From the miocene tertiary formations at Epplesheim. The original is 

 described and figured in Dr. Kaup's ' Ossemens Fossiles du Museum de 

 Darmstadt,' l re Cah., p. 9. pi. 3. fig. 6. Presented by Dr. Kaup. 



818. The second premolar, right side, upper jaw, of the Dinotherium Cuvieri, 



Kaup. The grinding surface of the crown is modified more completely 

 into the form of two transverse ridges than in the corresponding tooth 

 of the Dinotherium giganteum, and the transverse and antero-posterior 

 diameters of the crown are equal. 



From the miocene tertiary deposits at Epplesheim. 



The original of this cast is mentioned by Dr. Kaup in his ' Description 

 d'Ossemens Fossiles du Museum de Darmstadt,' l r Cah., p. 15, and 

 a corresponding molar tooth from the miocene tertiary beds at Carlat-le- 

 Compte, is described and figured by Cuvier in the ' Ossemens Fossiles,' 

 torn. ii. pi. 1. p. 170, pi. 8. fig. 4, and referred to a species allied to the 

 Tapir. Presented by Dr. Kaup. 



819. A cast of both rami, mutilated, of the lower jaw of the Dinotherium Cuvieri, 



Kaup. The right ramus contains the four posterior molar teeth ; the left 

 contains the three posterior molars and the socket of the fourth in advance : 



2 c 2 



