150 



CARNIVORA. 



Subfamily URSINE. 



A8 already mentioned, it is difficult to say whether the genus 

 Dinocyon should be referred to the present or the preceding sub- 

 Genus DINOCYON, Jourdan 1 . 



Dentition:-!. ], 0. \, Pm. J, M. *-&. The dentition is very 

 similar to that of Hycenarctos, the most important difference being 

 the more dog-like form of the upper true molars. 



Dinocyon thenardi, Jourdan 2 . 

 Hob. France. 



41140. Cast of the hinder part of the left ramus of the mandible, 

 showing the carnassial and the two tubercular molars. 

 The original of this specimen; which is one of the types of 

 the genus and species, was obtained from the Middle 

 Miocene of Grive-St.-Alban (Isere), France, and is pre- 

 served in the Museum of Natural History at Lyons. It 

 is figured by Filhol in the Arch. Mus. Lyon, vol. iii. 

 pi. iii. figs. 4, 5. Purchased, 1868. 



Genus HYJENARCTOS, Falconer and Cautley 3 . 

 Syn. Agriotherium, A. Wagner 4 (teste P. Gervais). 

 Amphiarctos, Blainville 5 . 

 Sivalarctos (Sivalours), Blainville 6 . 



Hysenarctos sivalensis, Falconer and Cautley 7 . 

 Syn. Ursus sivalensis, Falconer and Cautley 8 . 

 Agriotherium smalense, Wagner. 

 Amphiarctos sivalensis, Blainville. 

 Sivalarctos sivalensis, Blainville. 



Dentition : I. f , C. \, Pm. |, M. |. 

 Hob. India. 



1 Comptes Kendus, vol. liii. p. 962 (1861). 2 Loo. cif. 



3 In Owen's ' Odontography,' p. 505 (1840-45). For the history of this 

 genus see ' Palasontologia Indica,' ser. 10, vol. ii. p. 219. 



4 Gelehrte Anzeigen, 1837. The present writer has been unable to find the 



6 Osteographie, genus Subursus, p. 102 (1841). 



6 Comptes Rendus, vol. xiii. p. 165 (1841); Osteographie, genus Sub- 

 ursus, p. 114 (1841). 



7 Asiatic Eesearches, vol. xix. p. 193 (1836), Ursus. 



8 TM t 



