As these regions have been known a few years only, the universality of this depravity disproves most emphatically the ridiculous notion that savages are naturally pure in their conduct and owe their degradation to intercourse with corrupt white men.

Johnston (409) says: "A medical missionary who was at work for some time on the west coast of Lake Nyassa gave me information regarding the depravity prevalent among the young boys in the Atonga tribe of a character not even to be described in obscure Latin.