bably belonging to the present genus. This bone differs 

 from the ulna of Hycena crocuta in the less-complete deve- 

 lopment of the lower sigmoid cavity and in the wider 

 posterior surface ; the two are, however, in other respects 

 very similar. Cauiley Collection. Presented, 1842. 



Genus LEPTHY-ffiNA, Lydekker 1 . 

 Dentition : I. 1, C. \, Pm. ?, M. \. 



Lepthyaena sivalensis, Lydekker 2 . 

 Syn. Ictitherium sivalense, Lydekker 3 . 



Hub. India. 



1555-6. Casts of two associated fragments of the mandible, con- 

 taining the two last premolars, the carnassial (imperfect 

 posteriorly), and the alveolus of m. 2- The original of 

 this specimen, which is the type of the genus and species, 

 is preserved in the Indian Museum, Calcutta, and was 

 obtained from the Siwaliks of the Punjab. It is described 

 and figured by the present writer in the ' Palaeontologia 

 Indica,' ser. 10, vol. ii. p. 312, pi. xlv. figs. 8, 9, 9 a. 



Purchased, 1884. 



Family 



Genus ICTITHERIUM, Wagner 4 . 

 Syn. ThaUasictis, P. Gervais 5 (ex Nordmann). 

 Gakotkerium, Wagner 6 . 

 Palhyana, P. Gervais 7 . 



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



Ictitherium hippariontun (P. Gervais 8 ). 

 Syn. Hy&na hipparionum, P. Gervais 9 . 



Palhycena hipparionum, P. Gervais . 



Hab. Europe. 



PabEontologia Indica (Mem. Geol. Surv. Ind.), ser. 10, vol. ii. p. 312 (1884). 

 Kec. Geol. Surv. Ind. vol. x. p. 32 (1877), Ictitherium. 3 Loc. tit. 



Abh. math.-phys. 01. t-bay. Ak. Wiss. vol. v. pt. 2, p. 335 (1848). 

 Zool. et Pal. Fra^aises, 1st ed. vol. i. p. 120 (1848-52). 

 Abh. math.-phys. Cl. k.-bay. Ak. Wiss. vol. iii. pi. i. (1840). This name 

 has the priority over Ictitherium. 



7 Zool. et Pal. Frangaises, 2nd ed. p. 242 (1858). 



8 Ann. Sci. Nat. Zool. ser. 3, vol. v. p. 261 (1846), Hyena. 9 Ibid- 

 10 Zool. et Pal. Fran9aises, 2nd ed. p. 242 (1858). 



