\ 



A THIRD COLLECTION OF SIAMESE MAMMALS. 311 



Peninsular Siani, and tlie only difference between these squirrels and 

 Iconfjensis in dull phase appears to be that the former liave tiie outer 

 j'ellow stripes rather broader, lon;rer tufts to the ears and tail a little 

 more hoary. 



33. Ehinosciuriis laticaudatus tupaioides. 



JiJn'ii(isciiiriis tiipdioidfs, Blytli, .luurn. A-^iiit. Soo. Bengal, xxiv, p. 



477 (1855); Itobiiison ami Kloss, .loniii. F. ]\I. S. Mas., V, p. 



122(1914\ 

 J'liinoHciurun penicer, Thomas aiul Wioughton, Ann and Mag. Nat. 



Hist. (8), iii, p. 440 (1900): id., J.mrn. F. M. S. Mus., iv, [.. 119 



1909. 



2 9 ad. Bang Nara, Patani, Peninsular Siam. 1 and 2 August 

 1917. Messrs. Williamson and Smith's collectors [Nos. 249o-6]. 



Colour above mixed black and ochraceous, blackest along the 

 middle line of the back, yellowest on the sides : underparts white to 

 buffy- white. 



One specimen has the tail hairs tipped with whitish, the other 

 with buffy-ochraceous as in the spurious race iieraccr . 



The squiri'els of tiiis genus are ground animals of dull coloura- 

 tion with remarkably long muzzles : they feed largelj' on ants and 

 termites and their teeth rapidly wear awaj' OA-ing to the amount of 

 grit they take in with their food : the incisors are always remarkabl}- 

 weak and small, showing that they are not used for gnawing as with 

 most other squirrels. 



31. Chiropodomys gliroides. 



Max (jl{roicle», Blyth, .Journ. Asiat. Soc. Bengal, .xxiv, p. 721 

 (1855). 



Max periuetisis, Blyth, op. cit., xxviii, p. 295 (1859). 



ChirGpodomijs (ijliroides) pcfjunnsis., (Jairdner, Journ. N. H. 

 Soc. Siam, i, p. 253 (1915). 



1 6 ad. Lat Bua Kao, E. Siam. 22 Sept 191o. Messrs. Williamson 

 and Smith's collectors [No. 2502]. 



This little soft-furred mouse is Sayal brown above ( Uidgway ) 

 and white below and has the tail faiily thickly clad with hair posteriorly. 



Measurements :— Head and body, 89; tail, 117; hind-foot, 

 s. u., 19; ear, 17- Skull: greatest length, 25.0; condylo-basilar 



vol.. II, DEC. I'.'IT. 



