488 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. xxvin. 



(ry)iniHra^ are progressively smaller from before backwards, with 

 laterally expanded cusps, very ditierent from those in the upper jaw; 

 sing-le-rooted lower canines much smaller than upper; lower pre- 

 molars flattened, apparently 2-rooted, cingula prominent; molars 

 decreasing' in size from before ])ackward, essentiall}' 4-cuspidate. 



This species is named in honor of Or. Frederick W. True, head 

 curator of the department of biology in the U. S. National Museum. 



( Winial iiiriisun'iiif'iilii of Oie tijpe, lui adall female, from southern Mindanao. 



Measurement. 



Zygomatic breadth (about) n 



Lt'UMt iuterorl)ital breadth 



Median lengtli of palate 



Lentrtli of intcrnasal suture 



(ireate>t lenutli of nasiil bone 



Greatfst breadth of nasals 



Hei,i,dit of narial opfninj,' 



Breadth of narial opening 



Brea<lth of palate lietweeii anterior molars 



(ireatest breadth of i)idate (aitside of teeth 



Diastema bet wcfti lirst niJper incisors 



Distanee between outer IJorcler of lirst ui)per incisors 



Between upper canines 



Between outer border of upper canines 



From anterior border of first upper incisor to posterior margin of last molar 



From aiderior border of upper canine to posterior margin of last molar 



From anterior border of tirst upper incisor to canine 



United lengths of three upper molars 



Length of tirst ujjper molar 



Breadth of tirst upper molar 



Length of tirst upper incisor from alveolus 



Length of tirst upper canine from alveolus 



From anterior liorder of tirst lower incisor to posterior border of last lower molar 



Combined lengths of three lower molars 



First lower molar 



No. 12528t;, 



U.S.N.M., 



type. 



18 

 9 



21 



13.6 



15.1 

 2.5 

 4.9 

 3.5 

 5 



10.3 

 "2 



3.3 

 4.1 

 ti. 1 



20 



15 

 5 



G.5 

 2.5 

 2.6 

 2.3 

 3.1 



18 

 7.5 

 5x1.8 



(1 Braincase of type and only specimen smashed by trap. 

 External measuremevt?. of the type, an adult female, from sonlliern Mindanao. 

 [Taken from fresh specimen.] 



Measurement. 



No. 125286, 



U.S.N. M., 

 type. 



Total length 



Tail vertebne 



Hind foot 



Fore foot 



Head (about) 



Kar from crown 



Ear from notch at base 



From tip of nose to eye 



From lip of no.se to angle of mouth 



From tip of nose to ear 



Diameter of eye 



Tibial joint 



Forearm 



