92 



URSID^E. 



" We find two kinds of humeri, both belonging to Bears, 

 and yet very different from each other ; John Hunter has 

 already represented them (Phil. Trans. 1794, pi. xx.) ; but 

 since that time no author has insisted upon their difference. 



Fig. 30. 



Fig. 31. 



URSUS SPEL&US, fossil. 



URSUS MARITIMUS, recent. 



The second kind of humerus from these caves is known to 

 me by a very perfect specimen in our Museum, by the 

 figure in Hunter, and by a drawing of a part, including the 

 lower three fourths of the bone, for which I am indebted to 

 the late Adrien Camper. It differs remarkably from the 



