346 Bulletin American Museum of Natural History. [Vol. XXVIl, 



(3) Solipedes. Chevaux. 

 Ruminans. 



(a) Sans cornes. Chameaux, Chevrotains. 



(b) Avec cornes. Cerfs, Giraffes, Antilopes, Chevres [Goats], Moutons^ 

 Boeufs. 



In this classification there is a closer association of the various ungulate 

 groups than in the classification of 1800. 



The anatomical relationships of the horses ^¥ith the tapirs and Palfe- 

 otheres is recognized. 



1821. Gray, J. E.^ 



Ungulata. 



Orel. Tardigrada [Sloths.] 



Oligodontae. Dasypus, Orycteropus. 



Edentulae. Myrmecophaga, Manis, Tamandua, Cyclopes. 



Proboscidiae. [Proboscideans.] 



Tesserachenae. Hippopotamidae, Suidae. 



Trichenia. Rhinoceridae, Hyracidse, Tapiridae. 



Monochaena. Eqiius. 



Hydrophora. Camelidae. 



Rumiuatia. 



Gray regarded the Edentates as allied to the Ungulates. 

 1830. Wagler. - 



Order Scrofae. [Suina, Elephas, Rhinoceros]. 

 Hyraces, Hyrax. 

 Cameli [Tylopoda and Giraffe]. 

 Equi. 



(Hyraces given ordinal rank.) 

 1834. De Blainville (o/. p. 83). 



V. Gravigrades. 



Normaux terrestres. Proboscidei. Elephans. 

 Anomaux pour nager. Sirenei. Lamantins. 

 VI. Ongulogrades. 

 a doigts 



impairs 



3 doigts. Pachydermes. 



1 doigt. Solipedes. Cheval. 

 pairs 



4 doigts. Brutse. Cochon, etc. 



2 doigts. Ruminant ia. 



. 1 Medical Repository, 1821, p. 304. 

 2 Naturl. System. Amphibien, 1830, quoted by Gray. 



