286 



COMPENDIUM OF GKOGKAPHY AND TliAYKL 



is a Moluecau form, aud Ohha and Obbimc, which occur in 

 North Celebes, are purely Philippine. No peculiar genus 

 has hitherto been discovered, but the material is as yet 

 hardly sufficient to form deductions, and taking account 



THE BABIRUSA {Sus hihirusa). 



of both mammalia and Ijirds, of which two groups alone 

 we possess sufficiently detailed information, we cannot 

 doubt the great antiquity and extreme isolation of this 

 island from the rest of the archipelago. The two re- 

 markable mammals — the ape-baboon {Cynopithecus) and 

 the four-tusked pig (Bahlrasa), as well as a curious bee- 



