. A guide to the fossil mammals and birds in the Department of Geology and Palæontology in the British Museum (Natural History) .. . teral length the two anterior molarscombined, with from 11 to 13 external grooves. The upper canineis also present, though small. This rat-kangaroo thus clearly Marsupialia—Thylacoleo, etc. 83 explains the origin of the large last premolar in Thylacoleo as Table-casebeing not so much a carnivorous as it is a Marsupial Diprotodont No. , merely exaggerated.* Of the Macropodidce, found fossil in Australia, the followingspecies are preserved in the collec
. A guide to the fossil mammals and birds in the Department of Geology and Palæontology in the British Museum (Natural History) .. . teral length the two anterior molarscombined, with from 11 to 13 external grooves. The upper canineis also present, though small. This rat-kangaroo thus clearly Marsupialia—Thylacoleo, etc. 83 explains the origin of the large last premolar in Thylacoleo as Table-casebeing not so much a carnivorous as it is a Marsupial Diprotodont No. , merely exaggerated.* Of the Macropodidce, found fossil in Australia, the followingspecies are preserved in the collection, viz.:— JEpyprymnus rujescens. Macropus, many species, of whichthe names titan, alius, anak, are intended to convey Sir .RichardOwens idea of the great size which some of these old kangaroosattained. They were all herbivorous, subsisting on grass androots. Most of the remarkable series of remains from Australia wereobtained from caves, or from lacustrine and river deposits onDarling- Downs, Queensland, associated with estuarine shells of JVCarsu-the genus Melania, and from the Wellington Caves, New South Fio. 10ft.—Imperfect left ramus of mandible of Spalacotlierium tricuspidens (Owen), the Table-case,outline figure is of the nat. size, c, d, lateral and upper views of a molar tooth. No. the Middle Purbeck, Swanage, Dorset. Great Mammals, Jn the Great Oolite of Stonesfield, near Oxford, the jaws of Phascoloseveral small mammals were discovered and named Amphi- tberium, etctlierium, Phascolotherium, and Stereognathus. Mr. S. H. Beckles, subsequently obtained a series of Mammalian remainsfrom the Freshwater Limestone of Purbeck, Dorset, mostly con-sisting of lower jaws. According to Owen they belong to somefourteen genera, the largest of which did not exceed in size a rator a mouse. The genus Spalacotherium belongs to a small groupof Mammals whose affinities are at present uncertain. Group The Multitu
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmammals, bookyear1896
