The novelist and even the essayist may commendably eke out the scantiness of facts by a free indulgence in the wide field of supposition and conjecture: but the historian is not entitled to stray into this enchanted ground.

He must be content to remain within the tame and narrow circle of established fact.

Where his materials are abundant.
he is entitled to draw graphic sketches of the general condition of the people; but where they are scanty, as in the present instance, he must be content to forego such pleasant pictures, in which the coloring and the filling-up would necessarily be derived, not from authentic data, but from his own fancy..