THE NEOG^IC REALM. 



[CHAP. 



FlG. II. SKELETON OF HIND FOOT OF AN EXTINCT SPECIES OF RHINOCEROS. 



(To exhibit Perissodactyle type of structure.} 



FlG. 12. LEFT CARPUS AND METACARPUS OF HYRAX AND ELEPHANT. 



(Showing linear and alternating arrangements of carpal bones.} 



