I cannot understand the principle at all,' said Stephen. 'I should very much like to show it to Captain Aubrey, who is so very well versed in the mathematics and dynamics of sailing. Landlord, pray ask him whether he is willing to part with the instrument.' Not on your fucking life,' said the Aboriginal, snatching the boomerang and clasping it to his bosom. He says he does not choose to dispose of it, your honour,' said the landlord. 'But never fret. I have a dozen behind the bar that I sell to ingenious travelers for half a guinea. Choose any one that takes your fancy, sit, and Bennelong will throw it to prove it comes back, a true homing pigeon, as we say. Won't you?' This much louder, in the black man's ear. Won't I what?' Throw it for the gentleman.' Give um dram.' Sir, he says he will be happy to throw it for you; and hopes you will encourage him with a tot of rum. (pp. 353-354)