new Mammals from French Indo-China and Siam. 1 
Beneath ochraceous orange, slightly washed with bay on 
the abdomen, to bay; distinctly margined on the sides. 
Above varying from burnt-sienna grizzled with black, 
chestnut on the rump and darkest on the median line, to 
rufous with the median line chestnut ; a pale rufous thigh- 
patch. Tail ochraceous orange to chestnut much blackened ; 
terminal portion creamy to ochraceous orange. 
Type.—Adult male (skin and skull) obtained at Hup Bon, 
near Sriracha, S.E. Siam, on 25th July, 1915, by Mr. E. G. 
Herbert’s collector, No. 2017/CBK. The type is the darker 
extreme, the paler specimen, No. 2018/CBK, has the same 
history and was collected on 27th July. 
For measurements see table on p. 93. 
7. Callosciurus ferrugineus pierre?, subsp. n. 
Like the form inhabiting Cambodia, but decidedly darker, 
especially on the median area of the back, limbs not annu- 
lated or grizzled; sides of the head and muzzle dark 
grizzled black and ferruginous, very black in the neigh- 
bourhood of the vibrissz. Tail with a clear pale buffy tip. 
Feet and hands rather lighter than the rest of the pelage, 
ungrizzled. 
Type. —Adult (skin and imperfect skull) collected by Pierre 
on Phu Quoc Island, off the coast of Cambodia, in February 
1874 (ex Paris Museum). Brit. Mus. No. 78, 6. 17. 27. 
Measurements.— Hind foot (dry) 47°5 mm. 
Skull: palatilar length 23°2 ; diastema 13:0; upper molar 
row including pm‘ (alveolar) 11:0 ; least interorbital breadth 
19:2; zygomatic breadth 34:0; median nasal length 17°83. 
8. Callosciurus ferrugineus phanrangis, subsp. n. 
Above a grizzle of black and pale buff, blackest along 
the median line, the general effect being a buffy grey 
changing through pale buff and ivory to white on the feet. 
Top of muzzle and sides of head paler grey, ears brighter 
and more buffy, their bases at the back whitish grey. 
Chin and sides of neck buffy greyish, remaining under 
parts cream-colour to warm buff. ‘Tail like upper parts, but 
more coarsely annulated. 
Type.—Adult female (skin and skull) with moderately- 
worn teeth, collected at Tour Cham, near Phanrang, 
S. Annam, on 23rd May, 1918, by C. Boden Kloss. No. 
3660/CBK. 
