ELEPHAS PRIMIGENIUS.— MANDIBLE. 



141 



The crotchet on the brim, so pronounced in the Asiatic (Woodcut, fig. 37), is by no 

 means as prominent in the Mammoth, E. antiquus, and E. Africanus ; indeed, it is seem- 

 ingly sometimes scarcely pronounced and almost obsolete in the Mammoth, as shown 

 in figs. 33, 34, and 35, nor is it very prominent in E. Africanus (fig. 38). 



Fig. 33. 



E. primigenius, llford. 



(British Museum Collection, 



No. 44979, ■^%. 



Fig. 36. 



Fig. 34. 



m # *• . ' ^ 



E. primigenius, llford. (British 

 Museum Collection, No. ~-g.) 



Tig. 37. 



E. antiquus. (Museum of the E. Asiaticus. (Collection of Royal 

 Geological Society of London.) College of Surgeons, No. 2675.) 



Fig. 35. 



E. primigenius, llford. 



(British Museum Collection, 



No. ^%.) 



Fig. 38. 



E. Africanus. (Collection 

 of Royal College of Sur- 

 geons, No. 2847.) 



The contour of the condyle is subject to individual diff'erences even in the same jaw, 

 as shown in Woodcut, fig. 39 ; but usually the outlines of the head are relatively broader 

 in the Mammoth and Asiatic Elephant than in the African. The affinities between the 

 two former are no doubt close, as appears from Woodcuts, figs. 34 and 37, whilst that of 



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