148 



VOICE AND "LANGUAGE ' OF CHIMPANZEES 



His complete call, beginning, as has been seen, with the 

 soft deep-toned phrases, oo-woo-woo, continued with wah- 

 hoos that increased in animation and tempo until he reached 

 his cHmax — a prolonged yell of shrill, deafening quality 

 difficult to describe: 



■^ 



^ 



W: 



f 



oo - - woo - woo - woo - wah 



- ff ^ 

 hoo wah 



m 



¥- 



hoo 



sjz 

 wah - hoo wah - hoo {yell) 



w. 



'¥=^ 



/ 



- woo 



wah - hoo - wah - - hoo - wah - - hoo 



8va. 



^=U: 



^ 



// - — :•-• - — 1- -_2^ «/- 



290 wah - - hoo - wah - - hoo - wah - hoo iyell) 



i 



V} 



W=^ 



f-^- ' sfz sfz 



291 ^^ — ^^^ — ^^^ — ^^^ ^^^ (yell) (yell) 



While yelHng he would frequently jump to the floor, run 

 about, and stamp a violent rhythmic accompaniment; then, 

 resting his weight on his hands, would beat a clanging tattoo 



