1900.] MA.1LM.ALS OF SIAM AND THE MALAX PENINSULA. 36l 



127. Chiropodomys gliroides (Blyth). The Pencil-tailed Tree- 

 Mouse. 



Chiropodomys gliroides, Blanf . Faun. Ind., Mamm. p. 403. 



O. Thomas (P. Z. S. 1886, p. 78) records a mouse from Jaram, 

 Selangor, collected by Darling, which probably belongs to this 

 species. 



Distribution. Burma, Malay Peninsula (Selangor), Java, Borneo. 



128. Mus rattus Linn. The Common Brown Eat of the East 

 Indies. 



Mus rufescens, Cantor, p. 4(5. 



Mus rattus, Blanf. Faun. Ind.. Mamm. p. 406. 



" Nu" of the Siamese (a term applied to all species of rats). 



W. L. Selater (Cat. Mamm. Indian Mus. ii. 1891, p. 67) records 

 a specimen of Mus rattus rufescens from Malacca, and one from 

 Penang from Cantor's collection. Hanitsch (Eep. Baffles Libr. & 

 Mus. 1887, p. 11) records this species from Singapore. 



I have caught this rat in Sepoy Lines, Penang (May 1895), on 

 Penang Hill (Nov. 1896 and March 1898), in Bangkok (April, 

 June, July, Aug., Nov. 1897, and Feb., Aug. 1898), and in Ayuthia 

 (Feb. 1898). 



Colour. Specimens from Penang Hill : Above reddish brown, 

 with longer dark hairs ; beneath pale yellowish, buff, or fawny 

 grey ; the two colours gradually shade into each other on the 

 sides. 



Specimens from Bangkok : Above reddish brown (varying from 

 bright rufous to yellowish), many of the larger hairs having black 

 tips (most noticeable in adult specimens), base of fur on back grey ; 

 beneath pure white (out of about 20 specimens examined, one was 

 yellowish beneath, one male grey, one female rufous grey w ith a 

 little white on the lower part of the abdomen, one young female 

 rufous grey) ; the line of demarcation between the darker upper 

 aDd white lower parts is very noticeable (except in a young female, 

 where they gradually shade into each other); bands and feet 

 flesh-coloured, with short white hairs on their upper surfaces, the 

 white hairs on the last segment of the toes may be longer than 

 the claws. 



Females from Penang and from Bangkok had each 5 pairs of 

 mammae. 



Distribution. Cosmopolitan. 



129. Mus concolor Blyth. The Little Burmese Eat. 

 Mus concolor, Blanf. Faun. Ind., Mamm. p. 408. 



W. L. Sclater (Cat. Mamm. Indian Mus. ii. 1891, p. 68) 

 mentions a skin from Malacca, collected in 1846. Hanitsch (Eep. 

 Baffles Libr. & Mus. 1897, p. 11) records this species from 

 Siogapore. The Siamese Museum contained three specimens from 

 Bangkok. 



Of this species I obtained three specimens from Penan 



