534 



A NEW I'TEROPUS I'KOM ALDABIIA ISLAND- -TRUE. 



of the \viii<>s l)el(»\v the huineius, though the liairs have moic or less 

 yellowish -brown ti[)s 



The liairs of the crown of the head are very pale yellow at the base, 

 with darker tips. Those of the ferruginous (;ollar are ehoeolate-brown 

 at the base, exeept oxer tlie shoulder glands, where they are ferrugi- 

 nous throughout. All tlie hairs of the abd(»inen are gTayish-brown at 

 the bases, i)ale about the pubis, and darker anteriorly. 



The majoritv of the hairs of the back are pale gray at the base, witli 

 butf extrenuties; mingled with them are fewer dark-brown hairs. 



Skull. — Muzzle narrow. Orbits (•om])leted behind by the union ol 

 the i^ost-orbital process Avith the zygomatic arch. UpiDer incisors close 

 together, the outer pair nearly as large as the inner pair. LoAver in- 

 cisors crowded, the outer pair resting against the canines and the inner 

 l)air against these. The inner pair have about one-half the diameter of 

 the outer i)air, and are so placed that one-half their mass is external to 

 a line joining the anterior surfaces of the outer pair. First upper pre- 

 molar deciduous. 



Dimensions of the body. 



MpaHureinents. 



n eail aiul body 



Kar, lioui lower inargiu of oritico to tip 



Forearm 



Thumb (without claw) 



Uind foot (without claw) 



Calcaueum 



* These racasurcments are from the dry .skins. Dr. Abl)<)tt gives the following diniensious for the 

 same .specimens when fresh : 



Divieusions of the skiiU. 



Measurciiiciits. 



]>asi eraiiiiil h^ii^ith 



Kiid of pahUi' to post. 1)msc of incisois 



iireadth of pahite bcluicn iiiiiei' iiiarjiiiis of lirst miliars 



Extrciiiily of nasals to antci-ior margin of orbit 



(Jreatcst diaiiictir ot orliil '. 



Greatest zygomatir bread lb 



Length of jieiniltimate ii])|ier molar 



Length ot last up]ier imdar 



Length of mandible, from eondyb's lo anterior surface of iiici 



3605^ 

 20985" 



