They were likened to ghosts

Observed – ‘vanish like spectres’

Natives diminished – in less than the period of one

Generation they will not have a single untenanted spot left

Extermination

Revenge – ‘They bear a deadly animosity to the white inhabitants’

Lately they have commenced a system of destruction, which if preserved in, will involve many families in utter ruin, by destroying houses and barns by fire

Observed – ‘vanish like spectres’

Natives diminished – in less than the period of one

Generation they will not have a single untenanted spot left

Extirpate the white inhabitants. They entertain no such idea.

They were likened to ghosts

Effective

Refined – ‘moving to various places with almost incredible swiftness’

.