PLATE XXIIIrf. 



Figures all uatiiral size except 1 h, which is three halves natural size. 



Fig. 1. — PtUodus mediwvus. Eight mandibular ramus, external side; a, internal side; 6, from above. 



Page 173. 

 Fig. 2. — Catopsalis J'oliatus. Right mandibular ramus, right side; a, internal side ; 6, superior, and 0, 



posterior views. 

 Fig. 3. — Hyopsoclus pou'ellianus. Part of right mandible, external view ; a, inner side. Page 23.5. 

 Fig. 4. — Hijopsodus pou-dlianus. Part of left ramus, external side. Page 235. 

 Figs. 5-6. — Sijopsodus acolylus. 5, external view of posterior parts of maxillary and mandibular bones; 



6, part of right ramus mandibuli, with true molar teeth, inner side ; a, external side; b, superior 



view. Page 238. 

 Figs. 7-8. — Chriacus pelvidens. Fig. 7, posterior, four superior molars of right side ; fig. 8, left mandib- 

 ular ramus of another individual, external view. 

 Figs. 9-10. — Triisodon conidens. Page 274. 

 Fig. 9. — Last five superior molars of right side from below ; tig 10, right mandibular ramus of the same 



individual from above. 

 Fig. 11. — Part of right mandible of Triisodon heilprinianus, supporting second true molar tooth ; a, the 



same from above. Page 273. 

 Fig. 12. — Deltatherinm halduini. Part of right mandibular ramus, external view ; a, innerside. Page 282. 

 Fig. 13. — Deltatherium interriijttum. Part of mandibular ramus supporting three premolars and one 



true molar, external side. Page 262. 

 Figs. 14-15. — Periptychus carinidens. Fig. 14, right maxillary bone with teeth from below; fig. 15, left 



ramus of the mandible with teeth from above. Page 313. 

 Figs. U)-20. — Parrtohates brachystomiis. Page 721. 

 Fig. 16. — Left maxillary bone with last four molars from below. 

 Fig. 17. — Left ramus mandibuli, external side ; a, from above. 

 Fig. 18. — Lumbar vertebra; «, from below. 

 Fig. 19. — Left femur from front; a, from behind. 

 Fig. 20. — Distal extremity of tibia and fibula with tarsus and proximal part of metatarsus, external 



hide ; a, from front and outside ; b, posterior view ; c, inner side. 



