252 Dr. D. G. Elliot on apparently new 



This Macaque, wliile liaving a geueral resemblance to 

 P. rhesus of India, differs in various ways from that species. 

 The tail is much shorter and the colouring on the rump and 

 about the scrotvun much brighter. The cranial chaiacters 

 difler widely. The oibital ridge is rounded, not depressed 

 and flattened, and consequently there should be an absence 

 of the scowling look so often seen in adults of P. rhesus. 

 Another character that instantly attracts the eye is the 

 greater width and lateral swellings of the rostrum of the 

 Indian species, the Hainan animal having a rather long 

 rostrum for its width, with the sides descending rather 

 abruptly from the nasals. The orbits of P. druchyurus are 

 circular, those of the allied species oblong ; the brain-case of 

 the Hainan Macacque is somewhat more bulging posteriorly 

 and the palate is deeper and narrower ; the bullae are shorter 

 and wider, while the tooth-rows of upper jaw are nearly 

 straight and the teeth much smaller ; the mastoid width 

 much less, and the mandible having proportionately greater 

 depth and less expansion at coronoid processes. This com- 

 parison is made between two skulls of males of about the 

 same age. 



Several specimens of this Macaque were received by the 

 American Museum in a collection from the Island of Hainan. 

 On examining the specimens in New York I was satisfied 

 that they represented a species distinct from P. rhesus, but 

 not having any examples of that animal for comparison, I 

 preferred to wait until the two species could be brought 

 together. Dr. Allen selected three which the Museum 

 forwarded to me in London, and after comparing these with 

 skins and skulls of P. rhesus in the British Museum^ the 

 distinctness of the Hainan Macaque was demonstrated. 



Pithecus validus, sp. n. 



Type locality. Cochin China, exact locality unknown. 



Ge7i. char. Body stout, heavy; limbs short ; tail not quite 

 so loug as the body. Skull with facial region almost as 

 long as the brain-case; rostrum longer than wide; palate 

 long and narrow ; tooth-rows straight ; sagittal crest 

 present ; second upper molar largest ; last lower molar with 

 prominent posterior cusp ; mandible heavy, comparatively 

 massive for its length ; canines stout. 



Colour. Middle of crown, nape, line over eyes, and line on 

 sides of head black speckled with buff; rest of crown and 

 entire upper paits Prout's brown washed with o\\\e, grading 

 to raw umber on sides and arms, ard all speckled with bufl'; 



