llowed by the Cave-dwellers some thousands of years later; the latter man having his abode fixed to a locality, and his wanderings within prescribed limits.
He may have, this prehistoric man, this Cave-dweller, chattered like a monkey in a patois understood only by his own family; but what is more reasonable to suppose than that the Drift-men of the marshes and coastlines had only a restricted use for vocal sounds, sign-language being expressive enough to meet their few wants? Meagre social conditions, peculiar isolation, savagery, strife for life, call for no complex language, but sign-language has the authority of people living on the globe to-day, not only amongst uncivilised races, but traces are seen in our very midst.
The few examples of custom and signs given below will better illustrate the force of the statement.
"Amongst the Uvinza, when two grandees meet, the junior leans forward, bends his knees, and places the palms of his hands on the ground, one on either side his feet, whi