14 ARKIV FÖR ZOOLOGI. BAND 8. NIO 23. 



of Tamiops macclellandi kongensis (Proc. Zool. Soc. 1901 

 p. 55). 



This subspecies is nearest to Tamiops macclellandi barbei 

 Blyth. from Burma and Tenasserim, but it may alvvays be 

 distinguished by »the general coloration being much greyer 

 and the outer light stripes of a much paler yellow». 



Some months ago I visited the British museum and by 

 the courtesy of Mr. Oldfield Thomas I was permitted to 

 study the large series — which also contained the type spe- 

 cimens — of the different races of Tamiops macclellandi. 



The skulls of T. m. barbei Blyth. and T. m. kongensis 

 Bonh. resemble each other very much, but that of T. m. 

 barbei seems to be of a smaller size than that of T. m. kong- 

 ensis. Their general appearance, however, is very much the 

 same. According to the coloration of the stripes, the outer 

 ones of T. m. kongensis are a little paler than those of the 

 other subspecies, but these characteristics are very faint, 

 and I almost believe that these two »subspecies» ought to 

 be united under the name of Tamiops macclellandi barbei 

 Blyth. 



However, I have accepted the name of T. m. kongensis 

 until I get some more material from Burma and Siarn in 

 order to make a careful examination of the seasonal pelages 

 of the species. 



Skull measurements of a female specimen from Den 

 Chai in Northern Siarn : 



Length from condylus to gnathion = 29,4 mm. 



Inferior margin of foramen magnum to tip of premaxillare = 2 5, o » 



Greatest zygomatic breadth = 20, o » 



Length of nasals = 9 5 i » 



Greatest breadth of nasals = 5,i » 



Least interorbital breadth =12,4 » 



Length of diastema = 6,8 » 



Breadth between meatus auditorius . = 14,2 » 



» of bulla to meatus auditorius = 4,3 » 



Distance between tympanic bulla (ant.) = 6,5 » 



» » tympanic bullce (port.) = 8, o » 



Length of upper molar series (alveolar) = 5,6 » 



