396 On the Fossil Bones, <Src. of New Holland. 



4. That the large bone resembling the radial bone of the hip- 

 popotamus, shews that Australia formerly possessed animals 

 much larger than any of the present existing species, equalling 

 or even exceeding in magnitude the hippopotamus : a fact of 

 high importance, when we recollect that the quadruped popula- 

 tion of New Holland is at present but meagre, the largest spe- 

 cies being the kangaroo. 



5. That the bone caves and bone-breccia contain, along with 

 animals at present known, others that appear to be extinct, as 

 is the case with the caves and breccia of Europe. 



6. That the same agent or agents that brought together the 

 remains of animals met with in bone-caves and bone-breccia in 

 Europe, operated on New Holland, 



7. Lastly, that the animals in the Australian caves and brec- 

 cia were destroyed and became fossil, if not at the same precise 

 time as the European, during a similar series of geological 

 changes. 



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