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37. Right manus of Astrapotherium magnum 171 



38. Left pes of Astrapotherium magnum 173 



39. Skeleton of Astrapotherium magnum 177 



40. Four meteorites tested for bacteria 185 



41. Mortar and pestle for bacterial investigation 189 



42. Bacillus subtilis 193 



43. Staphylococcus albus 195 



44. Auditory region of Hegetotherium mirabile 201 



45. Auditory region of Pachyrukhos moyani 203 



46. Auditory region of Interatherium robustum 205 



47. Auditory region of Protypotherium australe 206 



48. Auditory region of Pseudotypotherium pseudopachygnathum 208 



49. Auditory region of Nesodon imbricatus ■. . 211 



50. Auditory region of Adinotherium ovinum 213 



51. Auditory region of Ancylocoelus frequens 216 



52. Auditory region of Homalodotherium cunninghami 217 



53. Skull of Homalodotherium cunninghami 219 



54. Auditory ossicles of Adinotherium ovinum and Nesodon imbricatus 221 



55. Skeleton of Homalodotherium cunninghami 235 



56. Pelvis and hind legs of Homalodotherium cunninghami 238 



57. Fore foot of Homalodotherium cunninghami 239 



58. Trapezium of Homalodotherium cunninghami 240 



59. Pisiform bone of Homalodotherium cunninghami 241 



60. Maxilla fragments of Domnina gradata 249 



61. Mandible of Domnina gradata 250 



62. Mandible of Domnina gradata 251 



63. Right ramus of Domnina gradata 252 



64. Mandible of Domnina gradata 253 



65. Facial region of Domnina gradata 254 



66. Maxilla of Metacodon mellingeri 259 



67. Ramus and molars of Metacodon mellingeri 260 



68. Maxilla of (1)Metacodon sp 261 



69. Ramus with symphysis of Metacodon mellingeri 262 



70. Ramus with symphysis of Metacodon mellingeri •. 263 



71. Mandible of Metacodon mellingeri 265 



72. Portion of ramus of Metacodon mellingeri 266 



