26 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



[vol. 50 



measurements of the specimens in U. S. National Museum, see table, 

 page 29. 



Specimens examined. — Two from Trong, Lower Siam, and one 

 from the east coast of Johore. 



SCIURUS HIPPUROSUS, new species 



Type. — Skin and skull of adult female, Cat. No. 141,031, U. S. 

 N. M., collected at Tarussan Bay, west coast of Sumatra, December 

 18, 1904, by Dr. W. L. Abbott. Original number, 3826. 



Fig. 12.— a, Cat. No. 141,031, Type of Sciurus hippurosus^ Tarussan Bay, Su- 

 matra ; natural size. 



b, Cat. No. 142,274, Type of Sciurus hippurellus, Landak River, western 

 Borneo ; natural size. 



