404 PROCEEDINGS <>r Till: X\TK>\\L Ml si;i I/. vol.38. 



braiD case over roots of zygomata, 12.0; depth of brain case al middle, 

 8.0; nasal, 9.0; diastema, 6.0; mandible, L3.8; maxillary tooth row 

 (alveoli), 4.6; mandibular tooth row (alveoli), 4.2. 

 Specimens examined. — Two, both from Baguio. 



TARSIUS FRATERCULUS, new species. 



Type^specimen. — Adult female (skin and skeleton) No. 04, P. B. S., 

 Sevilla, Bohol, April 9, 1906. A. Celestino and M. Canton, collectors. 



Diagnosis. — Like Tarsius pMlippensis of Mindanao but smaller. 

 Hind foot about 60 mm.; greatest length of skull about 38 mm. 



Color. — Upper parts, sides of body, and outer surface of limbs dull 

 ochraceous buff, more yellowish posteriorly and on legs, more grayish 

 anteriorly and on arms: the posterior half of back clouded with a 

 slight irregular wash of dark brown: under color light slaty gray 

 (about gray No. 6 of Ridgway); chin and throat essentially naked, 

 the short, scant hairs dull bully gray: chest and belly slaty gray. 

 washed w ith dull bud' anteriorly and with pale cream-bull' posteriorly : 

 pubic region and inner surface of thighs (dear buff; tail blackish, the 

 hairs On terminal third mixed brownish and bully; ears light brown 

 at base, blackening distally. 



Skull and teeth. Except for their uniformly smaller size the skull 

 and teeth resemble those of T. pMlippensis. 



M(<isurements. — Type (from skeleton): Head and body, 120 mm.; 

 tail vertebrae, 210; hind foot, 60±. A second specimen (also female) 

 from the type-locality: Hind foot (dry), 61. Cranial measurements 

 of the two specimens (those of type first): Greatest length, 38.0, 38.0 

 050.8) ; a condylobasal length. 30.5, 30.8 (32.4): zygomatic breadth, 

 26.5, 27.2 (27.4); greatest orbital breadth, 31.2, 31.6 (33.4); least 

 in'terorbital breadth. 1.5, 1.8 (1.8); breadth of brain case over roots 

 of zygomata. 21 .0, 22.3 (23.0) ; depth of brain case at middle. 10.0. 15.3 

 (17.6); breadth of rostrum over roots of canines, 6.6, 0.2 (0.4); man- 

 dible, 25.0. 24.9 (20). 4); maxillary tooth row (entire), 10.6, 10.5 (17.0): 

 mandibular tooth row (entire), 13.8, L3.9 (15.4). 



Specimens. Two from Bohol, both females, with teeth beginning 

 to wear. 



" Measurements in parentheses are those of a female Tarsias pMlippensis of ill" sunt' 

 age, from Zamboanga, Mindanao (Cat No. L44643,! .S.N.M.). 



