PITHECUS 207 



Geogr. Distr. Tenasserim, Malay Peninsula. 



Genl. Char. Similar to P. nemestrinus, but hairs annulated. 



Color. Male. Crown blackish, neck, shoulders and upper parts 

 of back bright russet annulated with black ; lower back, and upper parts 

 of thighs light ochraceous buff, unspeckled near callosities ; faint dorsal 

 line, blackish ; arms and legs grizzled blackish and drab gray ; under 

 parts drab gray, darkest across belly ; hands and feet darker than limbs-; 

 buttocks yellowish white ; tail above black, beneath pale brownish yel- 

 low. Ex type United States National Museum. 



Female. The female is much paler in color, and is generally with- 

 out the conspicuous annulations on the upper parts, which are buff 

 and brownish black on lower back, and a buff brown on upper back, 

 shoulders, and top of head ; limbs, hands and feet yellowish brown, 

 quite pale ; radiating hairs from ears cream buff. No dorsal line. 

 Altogether she presents a striking contrast to the male. 



Mca.surements. Total length, 785 ; tail, 230 ; foot, 163. Skull : 

 greatest length, 136; occipito-nasal length, 111.5; breadth of braincase 

 above zygomata, 64.4; Hensel, 98.1; zygomatic breadth, 94; palatal 

 length, 54 ; median length of nasals. 30.7 ; length of upper molar series, 

 38; length of mandible, 99.5; length of lower molar series, 46. Ex 

 type United States National Museum. 



A rather remarkable species, with its long annulated hair falling 

 over the shoulders and sides like a mane. It represents the Sumatran 

 animal in Tenasserim. 



PiTHECUs iNsuLANus (Miller). 



Macaca insulana Miller, Proc. U. S. Nat. Mus., XXIX, 1906, 

 p. 560. 



CHANCE ISLAND MACAQUE. 



Type locality. Chance Island, Mergui Archipelago. 



Genl. Char. Similar to P. adustus but smaller, hair on shoulders 

 longer. 



Color. A perfect replica of P. adustus but smaller in size. 



Measurements. Total length, 717; tail, 183. Skull: total length, 

 130.8 ; occipito-nasal length, 109.3 ; intertemporal width, 44.2 ; zygo- 

 matic width, 93 ; palatal length, 55 ; median length of nasals, 28.2 ; 

 length of upper molar series, 32.3 ; length of mandible, 95.3 ; length of 

 lower molar series, 41.8. Ex type United States National Museum. 



This is a small island representative of the Tenasserim species, 

 with the hair over shoulders somewhat longer. In color there is prac- 



