136 THE ANTIQUITY OF MAN 
replaced, with the dawn of the Aurignacian period, by 
men of the same type as now occupy Europe. What 
happened at the end of the Mousterian period we can 
only guess, but those who observe the fate of the 
aboriginal races of America and of Australia will have 
no difficulty in accounting for the disappearance ot 
Homo neanderthalensh. A more virile form extinguished 
him. He suddenly appears in Europe — from whence, 
future investigations may disclose ; the one thing we 
are now certain of is that he was not suddenly converted 
into the modern type of man. 
