364 



MAMMALIA. 



roughness round the base due to the peculiar method of growth 

 of such defences. For the first time in the Upper Miocene and 

 Lower Pliocene certain antlers acquired three or four prongs 



FIG. 207. 

 Antlers of Cervidse. b, beam ; br., burr; p, permanent bony pedicle ; t, tynes. 



A. Dicroceros elegans. M. Miocene ; Sansan, Gers, France. One-quarter nat. 

 size. 



B. Cervus (? Capreolus) pentelici. L. Pliocene; Pikermi, Greece. One-quarter 

 nat. size. (After Dames.) 



C. Cervus perrieri. U. Pliocene ; Mont Perrier, Puy-.de-D6me, France. One- 

 eighth nat. size, (After Dawkins.) 



(or tynes) projecting from the main stem (or beam); while in 

 the Upper Pliocene, as these appendages began to increase 

 in relative dimensions and the bony pedicles supporting them 



