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Mammals of Eastern Asia 
Sladen's Tree Squirrel, Callosciiirus sladeni, is typically 
colored grizzled olive-gray on the back. The muzzle and face 
are reddish orange almost to the ears, the feet and hands also 
orange, with the tips of the ringers and toes black. The ears are 
buffy, mixed with black. The tail is like the body except its tip, 
Fig. 51. Sladen's Tree Squirrel, Callosciurus sladeni. 
which is red. The underparts are orange. The length of the head 
and body is 10 inches, of the tail 8 inches. The typical form 
occurs at Thizyain and Kindat, both on the Chindwin River, 
Burma. 
Callosciurus sladeni is perhaps the most highly variable species 
of Tree Squirrel known. The numerous many-colored races 
include C. s. midas from Myitkina, in which the red of the face 
does not reach the forehead and the feet are more rufous ; C. s. 
bartoni from fifty miles east of Homalin, which has black lat- 
eral stripes and the muzzle and feet cream-colored ; C. s. short- 
