of dealing with particular aspects or doctrines of it. Both methods have their advantages; but no one, I think, whose eyes are open to the signs of the times, can fail to perceive that if Christianity is to be effectually defended from the attacks made upon it, it is the comprehensive method which is rapidly becoming the more urgent. The opposition which Christianity has to encounter is no longer confined to special doctrines or to points of supposed conflict with the natural sciences,—for example,