NOTES ON SOME PRIMITIVE PHILIPPINE TRIBES 293 



themselves with it until they could hold no more, getting up 

 and running round from time to time in order to stimulate 

 appetite and increase capacity. The grewsome meal ended, 

 they lay down to sleep it off. Why it did not kill them I could 

 never make out. 



The lowland Mangyans signal to each other by pounding upon 

 the roots of certain trees with large clubs, thereby producing a 

 booming sound which can be heard for several miles under favor- 

 able circumstances. Their standard for measuring distance is 

 based on the carrying power of the human voice, a given thing 

 being so many " calls " away; 



Their numerals usually stop at three, but their professors of 

 mathematics are able to count up to twenty by making use of 

 fingers and toes. As they alwaj's count in a definite direction, 



JIANGYAN STOREHOUSE FOR GRAIN — JIT HALCON, JIINDORO 



