186 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



33, 34. Fragments of ribs {Macropus Titan ?). 



35. Metacarpal, large Macrojpus. 



36, 37, 38, 40, 42. fragments of ribs, Nototherium or Diprotodon. 

 39. Shaft of radius, large Macrojpus. 



41. Shaft of femur, large Macropus. 



43. Proximal end of right ulna, Nototherium or Biprotodon. 



44. Fragment of ischium. 



45. Caudal vertebra of Diprotodon, 



46. Right calcaneum, Macropus Titan ? 



47. Proximal half of large metatarsal of Macropus Titan. 



48. Large metatarsal of Macropus. 



DESCRIPTION OF PLATE IX. , 



[The originals of figs. 1, 2, 4, and 5 are in the British Museum ; those of 

 figs. 3 and 6 are in the Museum of Natural History, Worcester.] 



Pig. 1. Upper view of a mutilated lower jaw of Nototherium MitcheUi; one- 

 fourth natural size. 



Fig. 2. Side-view of the same jaw. i, socket of incisor ; p 3, first molar, answer- 

 ing to the third premolar of the Diphyodont type ; di, second molar 

 (socket of), answering to the last deciduous molar ; m\, m. 2, and m 3, 

 Nototherium, answering to the first, second, and third true molars 

 of the same type : one-fourth natural size. 



Fig. 3. Upper view of mutilated right ramus of the jaw of Nototherium inerme ; 

 one-fourth natural size. 



Fig. 4. Side view of three teeth, upper jaw, oi Nototherium MitcheUi; half natural 

 size. 



Fig. 5. Under view of the same portion of upper jaw, showing the broad base 

 of the front root of the zygoma ; one-third natural size. 



Fig. 6. Portion of the upper jaw, with a grinding tooth, showing the narrow 

 base of the front-root of the zygoma, Biprotodon australis ; one-third 

 natural size. 



