Footnote,page 303.The Formosans,former headhunters,had a reputation for utter fearlessness and astonishing endurance.Some still carried their bolo knives,which in earlier times were used to severe their victims' heads.Most had volunteered for the Japanese Army...and some wrote their enlistment applications in their own blood.The Formosan government explicitly requested of the Japanese not to pay their bonuses"as big wages might spoil them in future".
More on these "Malayo-Polynesian Aborigines" here:
http://www.answers.com/topic/taiwanese-aborigine
http://www.eriksedge.com/taiwanarticle.html