( 512 ) 



Dimensions of Skulls of D. maximus, D. inusths, D. ursini's, and 



d. bennettlanus. 



Note. — The skull of /K hennettianus De Vis is in ()roportion to IK mnxiimm 

 much shorter ami liroader. The iiiisals are very broad at the frontal sntniv, and 

 become gradually narrower towards the anterior portion, not being constricted in the 

 centre as in D. inaximus. Forehead not inflated. Fronto-nasal suture not curved 

 backwards or recurved forwards, but (juite horizontal. 



P' much broader than m', its posterior but little greater than its anterior 

 transverse diameter. 



I' twice as large as i' and i' : i-anine iarsrer than i'-. 



2. Dorcopsis rufolateralis sp. uov. 



Male adult. — Head and face dark greyisli brown, a darkei- line over head, an<l 

 face black. Rhinarium and lower jiart of nose and face, from nostrils two inches 

 back towards the eyes, black and naked. Shoulders and centre of back from the 

 withers to iialfway between the withers and the mot of the tail greyish black, 

 slightly brownish in some lights, liest cif back, liiiiiks, hips, and iiiiidlegs to the 

 knees brownish rufous. Ears black, naked inside, and the upper third of outside is 

 also naked. Remainder of outside of ears covered with a heavy black pile of velvety 

 hairs. Forelimbs naked, black, showing a few scattered short silky hairs. Hands 

 and wrists white and naked. Hindfeet black. T/iwer rump, root of tail, and tail 

 lirownish black: last four inches of tail naked and white. From the root of the tail, 

 extending along it for three inches on the uj)per surface, is a naked almost circular 

 pink shield of rough and corrugated skin. Scrotum attached to body by a long and 

 thin contractile cord ; whole of cord and scrotum nakeil and pale sky-blue. On each 

 side of rectum are two large, pcar-sluijied, red, and naked callosities. Throat, chest, 

 and under surface bright buff. 



This description is taken from a living e.\ami)le, and so no measurements can 

 be given ; it appears, however, larger than /.'. mxellei-i. 



Hub. Northern Xew Guinea. 



