GEOLOGICAL SOCIETY. 



CLASS MAMMALIA. 



47 



ORDER PACHYDERMATA. 

 Genus Mastodon, Cuv. 

 M. giganteum or maximus of Cuv. 



Recherches sur les Osseraens Fossiles, Vol. I. 3d edition ; S. L. Mitchill's edi- 

 tion of Cuvier's Theory of the Earth ; Harlan's Fauna Americana ; Cooper's 

 Notice of Big-bone Lick, Am. Monthly Journal of Geology ; Peale's account 

 of the Skeleton of the Mammoth, 4to.; Trans. Am.Philos. Soc; Ann. of Lyc. 

 Nat. Hist. N. York ; Syn. Tetracaulodon, of Godman, Trans. Am. Philos. 

 Soc. Vol. III. new series ; Mammoth of the Anglo-Americans, "Father of the 

 Buffaloes''' of the Indians, Animal oVOhio of the French. 



Locality. Confined to North America, principally 

 in the valley of the Ohio, Big-bone Lick, Kentucky, 

 but occurring in every state of the Union. Specimens 

 of the teeth and bones in most cabinets of Natural 

 History. A skeleton nearly complete, .both in the Phi- 

 ladelphia and Baltimore museums. 



Place in the geological Series. Not yet ascertained 

 with sufficient accuracy. According to Be la Beche, 

 " Geolog. Manual," occurring not later than his " Er- 

 ratic Block Group," which also includes the elephant or 

 mammoth and five other species of Mastodon, together 

 with the genera Hippopotamus, Rhinoceros, Tapir, 

 Cervus, Bos, Hyena, Ursus, Megalonyx, Megathe- 

 rium &c. 



Mr. De la Beche remarks, p. 169 : — " The relative 

 age of the deposit in which the American Mastodons 

 are found, cannot be considered as satisfactorily ascer- 

 tained. Some geologists are of opinion that these animals 



