ELEPHANTID^. 51 



18788. An imperfect and half-worn second lower true molar. 



Cautley Collection. Presented, 1842. 



16381. Fragment of the left ramus of the mandible, with the im- 

 perfect m . 2 not fully protruded. 



Cautley Collection. Presented, 1842. 



Fi?. 12. 



Mastodon sivalensis. The first right lower true molar ; from the Pliocene of the 

 Siwalik Hills, f . The lower border of the figure is the outer border of 

 the specimen. 



M. 2874. Fragment of the right ramus of the mandible, containing 

 (Fig.) m73 in an early stage of wear. Figured by Falconer and 



Cautley, op. cit. pi. xxxvii. figs. 8, 8 a. The tooth has 



six ridges and a talon. 



Transferred from the Old Indian Museum, 1880. 



M. 2869. Fragment of the right ramus of the mandible, containing 

 (Fig.) the much-worn m73 (incomplete anteriorly). Figured by 

 Falconer and Cautley, op. cit. pi. xxxvii. figs. 7, 7 a. 



Cautley Collection. Presented, 1842. 



M. 2865. Fragment of the left ramus of the mandible, containing 



(Fig.) the first four ridges of m . 3. Figured by Falconer and 



Cautley, op. cit. pi. xxxvii. figs. 6, 6 a. the tooth being 



regarded as m72. Presented by Dr. Hugh Falconer. 



M. 2870. Fragment of the right ramus of the mandible, containing 

 (Fig.) the hinder part of the much-worn m . 3. Figured by 

 Falconer and Cautley, op. cit. pi. xxxvii. figs. 5, 5 a. 



Cautley Collection. Presented, 1842. 



