xiii 



Section POEPHAGA. 



Tribe Gravigrada. p age 



Genus Diprotodon 189 



Species Diprotodon australis 189 



Introduction 189 



skuii ; 191 



Mandible 196 



Dentition : 198 



Spinal column 209 



Scapula 218 



Humerus and ulna 221 



Pelvis 224 



Femur 230 



Tibia 234 



Restoration of skeleton 236 



Localities of remains of Diprotodon 240 



Table of admeasurements 243 



Genus NoToxnERiTJii 249 



Introduction 249 



Skull 251 



ilandible : A. Nototherium Alitchelii 259 



B. Nototherium Victoria 269 



C. Nototherium inerme 271 



D. Comparison of the mandible in those species 272 



Dentition 273 



Conclusion 285 



Localities of remains of Nototherium 287 



GENERAL OSTEOLOGICAL CHARACTERS OF MARSUPIALIA. 



Skull 291 



Cavity of the cranium 295 



Vertebral column 297 



Pectoral extremities 300 



Pelvic extremities 302 



Tribe Fossoria. 



Genus Phascolomys 305 



Osteology and dentition of the existing species 305 



Species 1. Phascolomys vombutus 317, 323 



2. P. platyrhinus 317,334 



3. P.latifrons 317,323 



Extinct Species resembling existing ones in size. 

 Species 1. Phascolomys Mitchelli 318 



2. P. Krefftii 319, 332 



3. P. Thomsoni 333 



4. P. parvus 334 



