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ALLEN’S NATURALIST’S LIBRARY. 
Face, neck, hands, and feet black ; fur all over the body and 
limbs jet-black ; callosities bright flesh-colour. 
In the skull the maxillary bones are developed into stronz 
lateral ridges corresponding in structure to those of the most 
typical Baboons. 
Distribution.—This species 1s found far away from the habitat 
of the true Baboons, whose home is in the Ethiopian Region. 
The Black Baboon is an inhabitant of Celebes, one of the islands 
of the eastern portion of the Malay Archipelago. It is found, 
ho vever, also in the neighbouring island of Batchian, further to 
the east—indeed the most easterly range of the Quadrumana— 
as well as in some of the Philippine Islands to the west. In both 
of the e regions it is supposed to have been accidentally intro- 
duced by the Malays. In Batchian, Mr. Wallace remarks, ‘‘it 
seems so much out of place that it is difficult to imagine how it 
could have reached the island by any natural means of dispersal, 
and yet not have passed by the same means over the narrow 
strait to Gilolo—so that it seems more likely to have origi- 
nated from some individuals which had escaped from confine- 
ment, these and similar animals being often kept as pets by the 
Malays and carried about in their praus.” Analogous to the 
distribution of this animal in the Philippines and Celebes is 
that of a genus of Parrots—/Pyioniturus—with racquet-shaped 
tails. The species of the latter genus are divided between 
Celebes and its small adjacent islands and the Philippines and 
the small islands adjacent to that archipelago, and present a 
curious case of the restricted range of a well-marked group. 
Habits.—This interesting animal, geographically so isolated, ~ 
lives in the luxuriant forests in small companies, and feeds 
chiefly on the abundant fruits which these forests provide. In its 
