224 MITRIDiE. RHIZOMYS. 



APLODONTIA. 



Teeth : — Incisors i^ ; Molars ~;=22. 



1-1 ' 4-4 



The Sewellel. Aplodontia leporina. 



Richardson, Faun. Bor.-Amer. p. 211. pi. 18c. figs. 7-14 (skull), 1829. 

 —Baird, Mamm. N. America, p. 353. pi. 49. tig. 2 (skull), 1859. 



*a. Skull. Chilakiveyak River, British Columbia. Presented by 

 Lord J. Russell. 



RHIZOMYS. 



Teeth :— Incisors [^ ; Molars f=| ; =16. 



The Malacca Pig Rat. Rhizomys sumatrensis. 



*a. Skull. Deccan. 



*b. Skull: young. Deccan. 



*c. Sknll. Malacca. Presented by Andrew Charlton, Esq. 



cL Skull. Mergui. Presented by Professor Oldham. 



The Chinese Bamboo Rat. Rhizomys sinensis. 

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



The Bay Bamboo Rat. Rhizomys badius. 



Cervical vertebrae 7 



Dorsal 13 



Lumbar 6 



Sacral 4 



Caudal 16 



*a. Skull. Darjeeling. Presented by Andrew Charlton, Esq. 



b. India. 



c. Skeleton. Pachebore. From M. Mouhot's Collection. 



The Abyssinian Bamboo Rat. Rhizomys macrocephalus. 

 Ruppell, Mus. Senckenberg, iii. taf. 10. figs, a, b, c (skull). 

 a. Part of the upper jaw. Schoa, Abyssinia. 



