EVOLUTION OF THE SKELETON OF EOCENE AND OLIGOCENE TITANOTHERES 



613 



A--V ! 



Figure 520. — Comparison of pes in four species of middle Eocene titanotheres 



A, Limnohyops monocorms; B, Palaeosyops leiiyi: C, Mesatirhinus petersoni; T>, Mesatirliinust (Seep. 643.) 

 One-tbird natural size. The pes of TelmatJierium is unknown except in the upper Eocene T. ultimwrri' 

 that of Manteoceras is linown only from the astragalus. 



