336 CORAL AND ATOLLS 



of the body, but tbe hind limbs are of the general rich red- 

 brown. The under surface is only slightly lighter than the 

 back, and is a light warm brown, not grey ; the chin and 

 throat are somewhat lighter. The under surface of the 

 scrotum of the male is covered with long bright red-brown 

 hairs, brighter than those of any other part of the body ; the 

 distal extremity of the scrotum is bald, the naked skin being 

 a dark purplish brown. 



The vibrissa3 — many of them more than 60 mm. long — 

 are numerous and dark-coloured. The ears are almost naked, 

 they are oval and prominent and average 22 by 15 mm. The 

 hind feet are large and long, their soles are dark, almost 

 purple in colour ; the digits are slender, the claws are long 

 and much curved. The tail very slightly exceeds the length 

 of the head and body, it is darker than the body colour ; it is 

 finely scaled, 12 rows to the centimetre, and sprinkled with 

 numerous fine black hairs. There are two pairs of pectoral 

 mammte, and three inguinal pairs, 2-3 = 10. The tibias are 

 almost straight, having practically no " bow " forwards. 



The Skull. — The skull is long and narrow, and is delicately 

 built. The nasals, which extend posteriorly to the anterior 

 margin of the orbit, are 15*5 mm. long, and 2*8 mm. wide 

 at their broadest part. Basal length of skull 35-38 mm.; 

 greatest breadth 1 8 mm. Interorbital constriction, least breadth 

 6 mm. Interparietal, length 5 mm., breadth 10 mm. Length 

 of base of anterior root of zygoma 6 mm. Palate, length 20 

 mm. ; breadth, outside m^ 9 mm., inside m^ 4 mm. Palatine 

 foramina 8 mm., extending 1 mm. hcJiind the anterior edge of m^ 

 ' — this is a constant feature. Alveoli (back of incisors to m^) 

 12 mm. Upper molar series 6"5 mm. Incisors pale yellow 

 in the lower jaw, orange in the upper jaw. 



The measurements in millimetres of a series of specimens 

 are as follow : 



