Charlie piped up in his boyish treble. “The _Amtonia’s_ absolutely hidden by those heads from any ship passing up or down the coast. The harbor entrance makes a right-angled turn half way to the sea. I heard Lieutenant Brinkerhoff say that a warship passed the mouth, going west, about eleven-thirty. The lookout on the head signalled in. Brinkerhoff was laughing about it, I guess it made him feel good.”