MAMMALS FROM BORNEO AND VICINITY— LYON. 



141 



Measurements of Pygathrix. 



1 Collector's measurements. 



2 Collector's measurements in pounds and quarters computed in kilograms. 

 8 Type. 



NASALIS LARVATUS (Wurmb). 



1907. Nasalis larvatus, Lyon, Proc. U. S. Nat. Mus., vol. 33, p. 569, December 

 24, 1907. 



Ten specimens from the Kapuas River region, four from southwest- 

 ern and five from southeastern Borneo. 



(For exact localities and measurements see table, p. 142. 



In southeastern Borneo Nasalis larvatus was common in the swampy lowlands at the 

 edges (scarcely banks) of rivers and creeks. They understand the art of "sitting 

 tight." I have often gone within a few feet of them in the Nipa Palms without 

 noticing them. — W. L. A. 



