AKTIODACTYLA 



b'. Cranial appendages similar to those of 



Bovidw, but forked and deciduous. 



Crown of lower canine simple. North 



American ANTILOCAPRIDJE. 



c'. Cranial appendages in the form of simple 



skin- covered conical prominences, 



which may be capped with bare bone. 



Crown of lower canine cleft and 



lobatc (fig. 4 B). African GIRAFFID;E. 



FIG. 3. UNDER SURFACE OF SKULL OF RED DEER (Cervus elaphus), 



to show Ruminant upper dentition, 

 i Nat. size. From Miller's Cat. Mamm. West. Europe. 



d' . Cranial appendages in the form of branched 

 bony deciduous antlers supported 

 on permanent skin-covered pedicles. 

 Crown of lower canine simple. 

 Europe, North Africa, Asia, and North 



and South America CERVID.E. 



b. No horns or antlers ; main metacarpals and 

 metatarsals either fused or separate ; 

 those of lateral toes complete ; stomach 



3-charnbered TRAGULINA. 



South-east Asia and Africa . .. TRAGULID.E. 



