THE MAMMALS AT PRESENT KNOWN TO INHABIT SIAM. 13S 
173. CALLOSCIURUS ERYTHRAEUS RUBECULUS (Miller). 
Seiurus rubeculus, Miller. Smiths, Mise, Coll. vol. 45. 1903. p 22, 
(KXhao Sai Dow, Trang, Peninsular Siam). 
Inhabits Peninsular Siam where specimens have been reported 
from Trang, Khao Nawng and Khao Wang Hip. 
174, CALLOSCIURUS ERYTHRAEUS PRANIS (Kloss’. 
Scturus erythracus. pranis, Wloss, Journ, Nat. Hist. Soe, Siam, LI. 
1916. p. 1738, (Kohl Lak, 8. Siam). 
Found in the country north of the distributional area of the 
former race. 
175. CALLOSCLURUS ATRODORSALIS THAI (Kloss). 
Sciurus atrodorsalis tha’, Kloss. Journ, Nat. Hist. Soc. Siam, I. 
1917. p. 285. (Raheng, Central Siam). 
Apparently confined to Central Siam but extending southwards 
at least to about Lat, N. 12°., as specimens have been obtained at Hue 
Sak near the Siam—Tenasserim frontier. 
176. CALLOSCIURUS ATRODORSALIS ZIMMEENSIS Rob. & Wrought. 
Cullosciurus utrodorsalis zimmeensis, Robinson & Wroughton. Journ. 
I. M.S. Mus, VII, 197. p. 91. (Chiengmai, N. Siam). 
Inhabits Northern Siam but extends southwards on the western 
side of the MeDing river as far as Paknam Po. 
177. CALLOSCIURUS ATRODORSALIS TACHIN (Kloss). 
Sciurus atrodorsalis tachin, Kloss. Journ, Nat. Hist. Soc. Siam, IT. 
1916. p. 178 (Tachin, Central Siam). 
Found at, and originally described from Tachin, west of Bang- 
kok. Specimens from the Province of Ratburi may possibly belong to 
this race. . : 
178. CALLOSCIURUS FINLAYSONI FINLAYSONI (Hors f.). 
Sciurus finlaysoni, Horsfield. Zool, Res. in Java, 1824. (Koh Si 
Chang). 
The White Squirrel inhabiting Koh Si Chang, in the imner 
Gulf of Siam, should bear Horstield’s name and then C. 7. portus 
Kloss, becomes a synonym. 
179. CALLOSCIURUS FINLAYSONI TACHARDI Rob. 
Callosciurus finluysons tuchard?, Robinson, Journ, V. M. 8, Mas. VIL. 
1916. p. 386. (R. Mee Nan, Siam).* 
[*“Lhe Nan River. Eds.] 
ee 
VOL. III, NO. II, 1919, 
