172 MURIDJJ. CRICETUS. 



The Fawn-coloured Hapalotis. Hapalotis cervina. 



*a. Skull. Australia. From Mr. Gould's Collection. 

 b, c. Skulls. 



Gould's Rabbit Rat. Hapalotis gouldii. 



Cervical vertebra? 7 



Dorsal 13 



Lumbar 7 



Sacral 3 



Caudal 36 or 37 



a. Skeleton. Port Essington. From Mr. Gould's Collection. 



b. Skull. 



CRICETUS. 



Teeth :— Incisors ~ ; Molars jgj ; = 16. 



The Hamster. Cricetus frumentarius. 



Cricetus vulgaris, Pander unci U Alton, Vergleichende Osteologie, pi. 7 

 (skeleton), pi. 8 (skull).— Guv., Oss. Foss. v. pi. 1. fig. 5 (teeth, 

 young). — Bla&ius, Faun. Wirb. Deutschl. p. 305. figs. 169, 170 (skull). 

 —F. Cuv., Dents des Mamm. p. 170. no. 01 (dentition). — Fischer, 

 Prodi. Cran. Comp. tab. 2. fig. 9 (skull), 1811. 



Hamster, Buff., Hist. Nat. xiii. p. 134. pi. 17 (skeleton). 



Cervical vertebra? 7 



Dorsal 13 



Lumbar 6 



Sacral 3 



Caudal 16 or 17 



*a. Skull. Europe. 



b. Skull. From the Zoological Society's Collection. 



c. Skeleton. From Mr. "Warwick's Collection. 



d ' ™ kl ^\' 1 From the Zoological Society's Collection. 



e. Skeleton. J J 



f, g. Skulls: tf $ . Silesia. From Dr. A. Giinther's Collection. 

 h. Skull. From the Zoological Society's Collection. 



The Katuguna. Cricetus songarus. 

 *a. Skull. Siberia. 



The Golden Hamster. Cricetus auratus. 



Waterhouse, Proc. Zool. Soc. 1839 ; Mag. Nat. Hist, 1839, p. 13. fig. e 

 (skull). 



*a. Skull. Aleppo. From the Zoological Society's Collection. 



Cricetus cinereus. 



*a. Skull. Erzeroom. From the Zoological Society's Collection. 



