8 



Prof. Owen on the Remains of a 



sources of the Darling river and at a great height above the 

 level of the sea, up^vards of 4000 feet. I am informed that 

 these huge bones, of which I send you but fragments, are 

 found in some abundance." 



These fragments, when their broken surfaces were re- 

 adjusted, composed the very considerable part of the right 

 femur, of which the subjoined cut, fig. 1, gives a view of the 

 posterior and most entire surface, one-fifth the natural size ; 



Fig. 1. 



4 



1|7 



the contour of the circumference at {a) illustrates the principal 

 characteristic of the bone, viz. its being flattened from before 

 backwards. 



Among the larger quadrupeds the femur presents a simi- 

 lar antero-posterior compression in the elephant, mastodon, 

 and rhinoceros, but the latter animal is distinguished -by a 



