PITH ECUS 241 



28.1; length of upper molar series, 30.1; length of mandible, 85.6; 

 length of lower molar series, i7.2. Ex type United States National 

 Museum. 



This is a very large Macaque with a very long tail, and of a 

 general grayish brown color. It does not closely resemble any known 

 species. 



PiTHECUS BAWEANUS EUiot. 



Pithecus baweanus Elliot, Proc. U. S. Nat. Mus., XXXVIII, 1910, 

 p. 347; Lyon, Proc. U. S. Nat. Mus., XL, 1911, p. 137. 



B A WE AN ISLAND MACAQUE. 



Type locality. Bawean Island, Java Sea. Type in United States 

 National Museum. 



Genl. Char. Larger than P. cupidus from Mata Siri, but tail dark 

 hair brown with an olive tinge. General hue more yellowish. 



Color. Nude spot above eyes yellowish ; face covered with short 

 gray hairs ; short black bar above eyes ; top of head and entire upper 

 parts, dark buff yellow and black, hairs gray at base, and banded with 

 buff yellow and black on apical portion, and tipped with black ; outer 

 side of arms and hands more grayish than upper parts, base of hairs 

 being bluish gray and barred with cream buff and tipped with black ; 

 outer side of thighs like back ; legs from knees to ankles, and feet gray, 

 with cream buff annulations, less numerous and distinct than on arms ; 

 hairs radiating forward and downward from ears, showing their under 

 side to base, whitish gray with a cream buff edging ; throat, under parts 

 of body, and inner side of limbs yellowish white; tail above, blackish 

 brown at base speckled with buff, remainder dark hair brown, beneath 

 olive gray. Ex type United States National Museum. 



Measurements. Total length, 1,052; tail, 580; foot, 141. Skull: 

 total length, 127; occipito-nasal length, 106.7; Hensel, 90; intertem- 

 poral width, 41.3; zygomatic width, 88.9; palatal length, 51.9; median 

 length of nasals, 22.3 ; length of upper molar series, 34.9 ; length of 

 mandible, 89.1 ; length of lower molar series, 36.9. Ex type United 

 States National Museum. 



This species differs from P. cupidus from Mata Siri Island in the 

 bands on hairs being much paler, giving a yellow tone to the upper 

 parts, and in the paler and more olive tail. It is also somewhat larger. 

 The skull is entirely unlike that of its relative from Mata Siri. It is 

 much larger in every way. The rostrum is broader and heavier ; nasals 

 wider ; orbital ridges heavier and more elevated in center ; crest higher 



