xxxvi LIST OF ILLUSTEATIONS IN THE TEXT. 



I'ig. Page 



31. Arsinoitherium zitteli : left fibula 53 



32. „ „ left calcaneum and astragalus 55 



33. ,, „ left navicular 57 



34. „ ,, right cuboid 58 



35. „ „ metatarsals 59 



36. ,, „ restored skeleton 60 



37. „ „ pelvis and hind limbs 61 



38. „ andrewsi : left humerus 81 



39. (J)Megalohyrax eocwnus : posterior portion of skull 95 



40. Mceritherium, lyonsi : restored skull and mandible 100 



41. „ „ cast of the cranial cavity 106 



42. Mastodon americanus : cast of the cranial cavity 107 



43. Mmrithenum lyonsi : part of right ramus of an immature mandible Ill 



44. Alceritherium : anterior dorsal vertebra 114 



45. „ ' middle dorsal vertebra 114 



46. „ lumbar vertebra 115 



47. „ sacrum 116 



48.. Palceomastodon : semi-diagrammatic figure of the skull and mandible 13 L 



49. A. Palceomastodon ; B. Elephas : the base of the skull and part of the palate . . . 134 



50. A. Palceomastodon beadnelli ; B. P. wintoni ; C. P. parvus ; D. P- minor : the 



second and third lower molars 143 



51. Palceomastodon beadnelli : left calcaneum 148 



52. Palceomastodon : right astragalus 149 



53. Palceomastodon wintoni : mandible 157 



54. „ „ mandible 159 



55- „ parvus : right ramus of mandible 163 



56. (?) „ „ right humerus . . 164 



57. (?) „ „ right ulna 166 



58. (?) „ „ right tibia 167 



59. (?) ,, „ left astragalus 167 



60. Ancodon gornngei : left os innominatum 185 



61. „ „ right astragalus 188 



62. „ parvus : portion of right ramus of mandible 190 



63. Geniohyus major : left lower premolars 196 



64. Eosiren lihyca : portion of roof of skull 200 



65. „ ,» cast of the cranial cavity 202 



&Q. (?)Eotherium cegyptiacum : skull 205 



67. „ « „ mandible 211 



68. A. Halilherium ; B. Eosiren ; C. Eotherium (after Abel) ; D. Mceritherium : right 



ossa innominata . . 214 



69. (?)Pterodon africanus : anterior part of skull 222 



70. (?) ,, „ left humerus 223 



71. (?) „ „ right femur 224 



72. Apterodon macrognatlms : left ramus of mandible 226 



