150 



MAMMALS OF THE PACIFIC WORLD 



Fig. 64 — Mouse Deer 



land to island by man, have often reverted to the wild, which 

 accounts for their presence on most of the inhabited Pacific 

 islands. The common wild pig {Sus cristatus), found on the 

 mainland of Asia, also occurs on Sumatra, Java, and many of 

 the associated islands. In Japan, the Luchu Islands, and For- 

 mosa, the Japanese boar (Sus leucomystax) occurs. This ani- 

 mal has a white streak on its muzzle. The Javan pig {Sus ver- 

 rucosus) is distinguished by the presence of three small warts 

 on each side of its face. The bearded pig {Sus harbatus) is 

 recognized by the long fringe of hair on the cheeks. It is found 

 in Borneo, Sumatra, some of the smaller islands, and also on 

 the Malay Peninsula. The giant pig (Sus gargantua) is known 

 only from a skull from southeast Borneo. The Celebes pig 

 {Sus celehensis) has warts on the face. It is related to the Javan 

 pig {Sus verrucosus). 



The Babirusa (Babirussa babyrussa) is a remarkable pig of 

 Celebes and Burn. The males have very long tusks in the upper 



