"What now?" I asked. "Toby has lost his character for infallibility. " "He acted according to his lights," said Holmes, lifting him down from the barrel and walking him out of the timber-yard. "If you consider how much creosote is carted about London in one day, it is no great wonder that our trail should have been crossed. It is much used now, especially for the seasoning of wood. Poor Toby is not to blame." "We must get on the main scent again, I suppose." "We must take care that he does not now bring us to the place where the creosote-barrel came from," I observed. "The Aurora, sir."