112 CLASSIFICATION OF THE AXIMAL KINGDOM. 



OKDER VII. *TOXODONTIA. Toxodon. 



(Owen, Fossil Mammalia of the Voyage of the Beagle, 1840.) 



ORDER VIII. HYRACOIDEA. 

 Fain. Hyracidse. Hyrax. 



(Owen, On the Anatomy of tlie Gape Hyrax, Proc. Zool. Soc., 1832 ; 

 Schreber, Naturgeschichte der Saiigethiere, 1775-1855.) 



ORDER IX. PROBOSCIDEA. 



Fam. a. Elephantidae. Elephas, *Mastodon. 

 Fam. &. *Deiuotheridse. Deinotherium. 



(Cuvier, Recherches sur les Ossemens fossiles, Paris, 1846 ; Mayer, Beit- 

 rage zur anatomie des Elephanten, Nova Acta, 1847 ; Kaup, Deinotherium 

 giganteum, Isis, Ed. IV., 1829 ; Falconer, Palceontological Memoirs, 1868 ; 

 Leith Adams, Monograph of the British Fossil Ekphants, Palseontograph. 

 Soc., 1877-78.) 



Fig. 101. Lower jaw of the Indian Elephant (Elephas Indicus), viewed, from above, 

 showing the molar teeth. Greatly reduced in size. 



