1875.] Rats and Mice. 41 



104. M. BAnrus. 

 Mus hadius, Blyth, J. A. S. B. xxviii. p. 295. 

 Valley of the Sitang. 

 It is allied to M. oleraceus of India, the type of Dr. Gray's genus 



Other species of Rat and Mouse doubtless remain to be discovered, and 

 it is desirable that they should be minutely described when fresh. Of the 

 former, a very likely species to occur is the M. andamanensis, Blyth,* a 

 subspinous Rat which proves to be the M. setifer apud Cantor,f but not 

 M. setifer of Horsfield, which is identical with M. bandicota. Three 

 well-distinguished species of Mice from the Khasia hills are described 

 as M. eunieularis, M. erythrotis, and M. gliroides, Blyth.J According to 

 Mason, "there is a "Water Rat throughout the country which burrows in the 

 banks of streams, and takes -to the water when pursued." 



105. Rhizomts sumateensis. 

 Mus sumatrensis, Raffles; R. cinereus, M'Clelland, Calc. Journ. N. H. ii. p. 456, 

 and pi. xiv. not good; Spalazjavanus et Ifyctocleptes dekan, Temminck. Pwai, Tenasserim, 

 Mason. 



Tenasserim provinces ; Malayan peninsula and islands. Arakan ? § 



*106. R. CASTANETS. 



Rhizomys castaneus, Blyth, J. A. S. B. xii. p. 1007, xxxvi. p. 198 ; M. hadius apud 

 Blyth. 



Arakan, Pegu. 



Barely separable from M. hadius (J. 201), from which it seems to differ 

 only in its much brighter colouring. 



107. R. PBUTNOST7S. 



Rhizomys pruinosus, Blyth, J. A. S. B. xx. p. 509. 



Originally described from the KMsias, and obtained by Dr. Anderson 

 in the vicinity of Bhamo. || 



108. R. minor (J. 201). 



Shizomys minor, Gray, Ann. M. N. H. a. p. 226 ; Borsfield's Catal. No. 228. 

 Allied to the two preceding species, but of a dusky brown colour, with 

 white muzzle and around the eye, and pale naked feet. I obtained a living 



* J. A. S. B.xxix. p. 103. f ibid. xv. p. 254. % ibid. xxiv. p. 721. 



§ Calc. Journ. N. H. ii. p. 297. || Journ. of Exped. p. 256. 



