12 UNGULATA. 



potamice, and were obtained from the Siwaliks of Khu- 

 shalgarh, Punjab ; they are preserved in the Indian Museum, 

 Calcutta (Nos. A 1, A 2 1 ). The original of this specimen 

 is figured by the present writer in the ' Palaeontologia 

 Indica,' ser. 10, vol. i. pi. ix. fig. 1. It agrees in size 

 with pm. 3 of D. giganteum (No. 1749); but differs from 

 that and the other homologous teeth by the almost 

 total absence of the ridge connecting the antero-internal 

 column with the outer wall and by the form of the 

 anterior cingulum. Presented by 0. Falconer, Esq., 1867. 



40919 a. Cast of the imperfect first right upper true molar. The 

 original was associated with that of the preceding spe- 

 cimen, and is figured by the writer, op. cit. pi. ix. fig. 2. 

 Presented by C. Falconer, Esq., 1867. 



40775. The imperfect second right upper true molar; from the 



Siwaliks of Perim Island, Gulf of Cambay, India. This 



specimen is of very large size, and presents no characters 



by which it can be distinguished from m. 2 of D. giganteum. 



Presented by C. Falconer, Esq., 1867. 



M. 3437. The slightly worn first ridge of the second left upper true 

 molar ; from Perim Island. This specimen agrees in size 

 with the preceding. 



Presented by Col J. W. Watson, 1886. 



14739 a. The middle portion of the left ramus of the mandible, with 

 (Fig.) the crowns of the teeth hammered off; from Perim Island. 

 This specimen is described by Falconer in the Quart. Journ. 

 Geol. Soc. vol. i. p. 361, and is figured in the ' Fauna An- 

 tiqua Sivalensis,' pi. xxxv. fig. 6, and also in ' Falconer's 

 Palaeontological Memoirs,' vol. i. pi. xxxiii. fig. 5 ; it is of 

 great vertical depth and thickness, and agrees in the former 

 respect with a mandible of D. giganteum from Bohemia, 

 figured by Weinsheimer, op. cit. pi. i. fig. 1 and pi. ii. 

 fig. 7. Presented by Miss Pepper. Before 1846. 



40937. The imperfect third left lower premolar; from the Siwaliks 

 of Nurpur, India. This tooth is of large size, and differs 

 from pm. 3 of D. giganteum by the smallness of the postero- 

 internal and the absence of the antero-internal column, 

 No. 1735 s coming nearest in this respect. 



Presented by Professor T. H. Huxley, 1868. 



1 See Lydekker, Cat. Siwalik Vert. Ind. Mus. Calcutta, part i. pp. 104, 105 

 (1885). 



