NO. 1317. 



MAMMALS OF NORTHWEST SUMATRA— MILLER. 



477 



Bemarks. — In color and size the .spec'imen.s from Simalur Lsland are 

 very constant, presenting no variation worthy of note. In the two 

 from Pulo Lasia the tail is considerably longer, making- the proportions 

 essentially the same as in Jfacacits umhrosus. They are readily separa- 

 ble from the Nicobar species, however, by their much smaller skulls. 



Measurements of Macacus. 



a Type. 



PRESBYTES" SUMATRANUS (Miiller and Schlegel). 



1839-1844. SeuiiioiiitJiccus smiiatraniis ML'ller and Sciilegel, Verhandel. over 

 de natuurlijke Geschiedenis der Nederl. overzeesche bezittingen, p. 73; 

 Sumatra. 



Four specimens taken at Tapanuli Bay, Sumatra, are essentially 

 identical with those previously collected by Dr. Abbott on the Indragiri 

 River, eastern Sumatra.'' For measurements see table, page 477. 



PRESBYTES CRISTATUS (Raffles). 

 1822. Simla cristata Raffles, Trans. Linn. 8oc. London, XIII, p. 244; Ben- 

 coolen, Sumatra. 



One skin from Loh Sidoh Bay and tive from Tapanuli Bay, Sumatra. 

 For measurements see table: 



"f Presbytes Eschscholtz, Kotzebue's Entdeckung's Reise, III, 1821, p. 196, type 

 P. mitmlu.". Eschscholtz, antedates Semiiopithrms F. Cuvier, Des Dents des ]Mammi- 

 feres, 1825, pp. 14, 247, the first pubUcation of the more familiar name in Latin form. 



ftSeeProc. Acad. Nat. Sci. Philadelphia, 1902, p. 159, June 11, 1902. 



