THE BRITISH MAMMALS PAST AND PRESENT. 95 



EQUIDM. 



Hipparion gracile (Red Crag). 



Equus caballus (Forest Bed, Pleistocene, Caves, and 



Existent in Central Asia), Wild Horse. 

 Equus stenonis (Norwich Crag and Forest Bed), 



Steno's Horse. 



RHINOCEROTID&. 



Rhinoceros antiquitatis (Pleistocene and Caves), 



Woolly Rhinoceros. 

 Rhinoceros etruscus (Forest Bed). 

 Rhinoceros incisivus (Red Crag). 

 Rhinoceros leptorhinus (Pleistocene and Caves). 

 Rhinoceros megarhinus (Pleistocene and Caves). 

 Rhinoceros schleiermacheri (Red Crag). 



COR YPHODONTIDJE. 



Coryphodon croydonensis (Lower Eocene). 

 Coryphodon eocsenus (Lower Eocene). 



ELEPHANT ID m. 



Mastodon arvernensis (Red Crag and Norwich Crag) : 



Mastodon borsoni (Red Crag). 



Mastodon longirostris (Red Crag). 



Elephas antiquus (Norwich Crag, Forest Bed, Pleis- 

 tocene, and Caves), Straight-tusked Elephant. 



Elephas rneridionalis (Red Crag, Forest Bed, and 

 Pleistocene), Southern Elephant. 



Elephas primigenius (Forest Bed, Pleistocene, and 

 Caves), Mammoth. 



SIRENIA. 



HALITHERIIDJE. 



Halitherium canhami (Red Crag). 



CETACEA. 



BAL&NID&. 



Balsena affinis (Red Crag). 



53. Balaena australis (Forest Bed and Existent), Biscay 

 Whale. 



