REVIEWS. 



225 



teresting notice of the Tetracaulodon, and the various opi- 

 nions which have been expressed as to its pecuUarities. 

 He concludes by stating, that from its osteological structure 

 and general characters. Professor Owen declared it to be 

 no new animal, but a very fine specimen of a species of 

 Mastodon, already known and figured by Cuvier, as the 

 Mastodon Giganteum. As to the justice of these remarks 

 the world seems to have been left — (as we have had oc- 

 casion to remark elsewhere) — in a state of perplexity and 

 doubt; we are, however, glad to be enabled to insert the 

 figures of the two animals, from Mr. Richardson's work. 



Mastodon Giganteum, as now exhibited in Piccadilly, 



