THE JROYAL TIGEB, OF BENGAL. 5 



temporal nmseles, is proportionately large. The 

 muscles are all very powerful, and arise from large 

 and deep fossae, which have well-marked ridges of 

 bone. The zygoinas form expanded arches, under 

 which the temporal muscles pass, and they give 

 attachment to certain bundles of muscular fibres. 

 The masseter muscles, which aid the temporals in the 

 Fig. 1. 



DENTITION OP TIGEE. 



A, TJfpbb Jaw : — I, Molar ; 2, Premolar, sectorial ; 3, Premolar ; 

 4, Premolar ; 5, Canine or Laniary ; 6, Incisors. 



B, LowEB Jaw : — 1, Molar, sectorial; 2, Premolar ; 3, Premolar ; 

 4, Canine or Laniary ; 5, Incisors. 



movements of the lower jaw, are also large, whilst 

 the pterygoids are relatively small. The teeth are 

 of the diphyodont type ; that is, they are first de- 

 ciduous and then permanent. They are firmly im- 



