66 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 45. 



difference, however, T. lacernata wiUdnsoni iii point of color appears 

 as an almost perfect intermediate between Tupaia glis ferruginea 

 and T. helangeri. With the certain rather doubtful specimens from 

 Tenasserim it may ultimately develop that but a single species 

 of Tupaia occurs on continental Asia ranging from Singapore to 

 Meechee and from Nepal to Tonkin, but wherever there are sufficient 

 climatic or physiographic differences subspecies have been produced, 

 of which five continental forms have been described — T. glis ferrugi- 

 nea, lacernata wilkinsoni, helangeri, chinensis, concolor. 



Measurements of Tupaia chinensis. 

 [A. M. N. H.=American Museum of Natural History, New York. B. M.=British Museum.] 



ipm 1 half through alveolus. 



2 Preserved in alcohol. 



^pm''' halfway through. 



*m 1 last tooth In place. 



^Nestof four youngones In hollow bamboo. 



<dc > still in place. 



' Not typical; may be T. concolor. 



8 Skeleton, British Museum. 



9 TO 2 just appearing. 



'" Not typical, rostrum short and heavy, teethlarge and heavy. 

 » Skull only; no skin. 



