206 Records of flic Indian Museum. [Vol. XY, 



c. atrodorsalis shanicus (Ryley). 



Journ. Nat. Hist. Soc. Bombay, XXII, p. 603 (1913). 



Typical locality. — Gokteik, North Shan States, Upper Burma. 

 Type. — In British Mnseum. 



8431. Mong Ha, North Shan States, April 1907 (J. Coggin Brown) [C] ; skin and 

 skull (fragments). 



d. atrodorsalis zimmeensis (Rob. and Wrought.). 



Journ. Fed. Malay States Mus., VII, p. 91 (1916). 



Typical locality. — Chiengmai, North Siam. 

 Type. — In British Museum. 



7595-6. Kolado, Salwin Hill tracts, Siamese border, January 1898 (Dr. A. R. S. 

 Anderson) [C.l ; skins and skulls. 



At present I am incHned to regard these specimens as in the " eclipse " 

 pelage of the above race though at one time both Mr. Wroughton and 

 myself took the view that similar specimens from near the same locality 

 represented yet another form. 



Above a fairly uniform grizzle of black and buffy olivaceous more 

 yellowish on the hands and feet. Sides of the face and back of the ears 

 rufescent, vibrissae black. Tail regularly barred black and buffy ochra- 

 ceous with an indication of a black tip. Beneath a drabby buff more 

 rufescent in the axillary and inguinal region not very sharply defined 

 from the sides. 



e. atrodorsalis tachin (Kloss). 



Journ. Nat. Hist. Soc. Siam, II, p. 178 (1916). 



Typical locality. — Tachin, Central Siam. 

 Type. — In private possession. 



f. atrodorsalis pranis (Kloss). 



Loc. cit. supra, 11, p. 178 (1916). 



Typical locality. — Koh Lak, South-west Siam. 

 Type. — In private possession. 



Callosciurus caniceps. 

 a. caniceps caniceps (Gray). 



Typical locality. — Bhutan (erroneous) substitute North Tenasserim. 

 Type. — In British Museum. 



9308-15. S 2 o Moulmein District, Lower Burma (T. H. Hood) [C.]; 9 skins 

 and 2 skulls. 



9474-7 (A. S. B.). Amherst, Tenasserim, 1846 (Revd. J. Barbe and E. O'Ryley) 

 fP.l ; Types ot Sciurus rhrt/so)iotus (Blyth) (Journ. Asiat. Sor. Bengal, 

 XVI, p! 873, pi. xxxvii, fig. 1 ; 1847) "; skins and skulls. 



9329. No history ; skin and skull. 



7672. Probably Salwin Hill Tracts (A. R. S. Anderson) [C] ; skin only. 



Comparison of these specimens and of others from Central and West- 

 ern Siam in the possession of one of us have convinced us that the 



