320 SUPPLEMENT. 



Order RODENTIA. 



Suborder RODENTIA SIMPLICIDENTATA. 



Section MYOMOHPHA. 



Family M.VUIDM (pt. i. p. 225). 



Genus GERBILLUS9 Desmarest \ 



The incisors narrow, and grooved in the upper jaw ; molars lami- 

 nated, the first having three ridges, the second two, and the third 

 one ridge. 



ffierbilluig tntrtfu^ (Hardwicke ^). 

 Syn. Dipus indicus, Hardwicke ^. 

 Hah. India. 



M. 3497. Two specimens of the left ramus of the mandible ; from a 

 cave at Billa-Surgam, Karnul district, Madras. Other 

 specimens are described and figured by the writer in 

 the ' Palseontologia Indica.' ser. 10, vol. iv. p. 35, woodcut 



Fig. 50. 



Gerbillus indicus.— The left ramus of the mandible (1) and grinding-surfaces of 

 the lower molars (|) ; from a cave in the Karmil district. (From the 

 ' Palseontologia Indica.') 



fig. 1 ; one of the figures being reproduced in the accom- 

 panying woodcut. Presented hy the Director of the 

 Geological Swrvey of India, 1886. 



^ Nouv. Diet. d'Hist. Nat. vol. xxiv. p. 22 (1804). 



2 Trans. Linn. Soc. vol. viii. p. 279 (1804-7). — Dijpus, 



^ Loc. ci(. 



