60 



Bulletin American Museum of Natural History, [^^ol. XXVII, 



Edentes. 



Fourmiliers (Myrmecophaga, Echidna, IManis). 



Orycterope. 



Tatous. 



Paressevix. 

 Elephans. 

 Pachydermes. 



Cochons. 



Tapir. 



Rhinoceros. 



Hippopotame. 

 Ruminans. 



Chameaux. 



Chevrotains. 



Cerf.s. 



Giraffe. 



Antilopes. 



Chevres. 



Brebis. 



Boeufs. 

 Sohpedes. 

 Amphibies. 



Phoques. 



Morses. 

 Cetaces. 



Dauphins. 



Cachalots. 



Baleines. 



NarvaL 



LACEPEDE, 1799. 



'Tableau des Divisions, Sous-Divisions, Ordres et Genres des Alammifercs,' 



pp. 1-18. Paris An. VII. 



As regards the major divisions Lacepede's classification does not seem 

 to be especially original either in content or in method, except in so far as it 

 combines the features of earlier systems. It agrees with many early systems 

 in grouping together all the "marine mammals." It agrees with Pennant's 

 svstem in elevating the "Cheiropteres" to the rank of a grand division. 

 In common witli the systems of Geoffroy and Cuvier (1795) and Cuvier 

 (1798) it suggests Storr's scheme in several respects, especially in the arrange- 

 ment of the Ungulates and in interposing several grades of divisions between 

 the class and the order. From Brisson, apparently, is borrowed the general 

 idea of dividing the mammals into many orders on the basis of the number 

 and kind of teeth. 



More detailed relations of Lacepede's classification to those of his con- 

 temporaries are shown in the subjoined table. 



