[898.] O shorn, Evolution of the Ajublypoda. Parti. 1 85 



Fore-limb strongly 

 bent outwards at el- 

 bow (as in Creodonta 

 and Carnivora), ma- 

 nus everted. Humer- 

 us with powerful del- 

 toid, pronator (ente- 

 picondylar) and supi- 

 nator (ectepicondylar) 

 crests ; ulna with a 

 convex posterior bor- 

 der ; carpus with an 

 OS centrale, an ex- 

 tremely small mag- 

 num and short trape- 

 zoid, causing the me- 

 tacarpal IV to be in- 

 serted proximally be- 

 tween the trapezoid 

 and magnum (Fig. 

 12). 



Hind-limb straight, 

 with three trochanters 

 upon the femur (Fig. 

 11). Tibia with a 

 rudimentary spine, a 

 very long cnemial crest 

 (Hg. 11) and femoral 

 facets approximate. 

 Tibia (Fig. 11) articu- 

 lating with calcaneum. 

 Frol)ably an os-tibiaie 

 (Fig. 12). Mesocu- 

 neiform short (analo- 

 gous to trapezoid in 

 the carpus), so that 

 metatarsal IV articu- 

 lates between ento- 

 aVi d ectocuneiforms 

 (analogous to meta- 

 carpal IV). Articu- 

 lation between tibia 



and astragalus slant- p;^, ^^ Pantnlambda batltiiuuion. Anterior view of fore 



ing obliquely inwards, and hind limbs showing powerful development of crests and tro- 



'^ ^ •' chanters as in the Creodonta. Humerus, No 2349. I'emur, Mo. 



very limited in extent, 252^ (2551. 2540). Tibia, No. 2551. Ulna. Nos. 2550, 2547. Ra- 



. J j« t • 1 dius. No. z=;47 (2546). Am. Mus. Coll. 



bounded^ posteriorly ' s*/ v at ' 



