"But somewhat dangerous to navigation," boomed Richard, in the bass, like the bassoon to the flourish of his wife's violin. "Why, weeds can be bad enough, can't they, Vinrace? I remember crossing in the Mauretania once, and saying to the Captain--Richards--did you know him?--'Now tell me what perils you really dread most for your ship, Captain Richards?' expecting him to say icebergs, or derelicts, or fog, or something of that sort. Not a bit of it. I've always remembered his answer.