A Story Outline of Evolution 



of the earliest known human skulls, evidence is both cumula- 

 tive and persuasive that primitive man traveled In herds and 

 was guided and directed by instinctive impulses much in the 

 same manner as are the wild animals of today. 



The emotions of both fear and anger will cause the hair 

 of many of the animals to "stand on end" and this nervous 

 reflex is accompanied by a warning growl. The purpose of 

 this Is, perhaps, to present the most hideous appearance to 

 the approaching enemy and to warn it of the danger of an 

 attack. Dogs will bare their teeth, raise their hair, stiffen 

 their muscles and growl before beginning a fight. A bull 

 will bellow, paw and horn the earth and stiffen his muscles 

 before beginning an attack. These are animal means of 

 communicating warnings of a purpose to overcome their 

 enemies by means of force and with the natural weapons 

 that they possess. 



When articulate speech was in its infancy a single word 

 was used to express an Idea. Many of the first words 

 coined, as we have already seen, were used to represent 

 some Imitative sound and articulate sounds were applied 

 to represent certain objects or things and thus objects and 

 things were recognized by certain names. The expression 

 "bear" meant to primitive man "I see a bear" or "There is 

 a bear." If his companions were not In a position to see 

 the bear, then the one uttering the expression Indicated the 

 position or direction of the bear from the group by pointing 

 his arm or finger in the direction of the bear. It was in this 

 pantomlne manner that signalling became a means of com- 

 municating Ideas by primitive man. But there were times 

 when natural objects obscured the vision of the group of 



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