an apologetic manner, that he would smoke a pipe until my cigar was finished. I said "All right" cordially, thinking that he now meant to begin the experiment; but conceive my feelings when he produced a jar of the Arcadia Mixture. He filled his pipe with this and proceeded to light it, looking at me defiantly. His excuse about waiting till I had finished was too pitiful to take notice of. I finished my cigar in a few minutes, and now was the time when I would have liked to begin the experiment. As Pettigrew's guest, however, I could not take that liberty, though he impudently pushed the garden-tobacco toward me. I produced my pipe, my intention being only to half fill it with Arcadia, so that Pettigrew and I might finish our pipes at the same time. Custom, however, got the better of me, and inadvertently I filled my pipe, only noticing this when it was too late to remedy the mistake. Pettigrew thus finished before me; and though I advised him to begin on the garden-tobacco without waiting for me, he insisted on smoking half a pipeful of Arcadia, just to keep me company. It was an extraordinary thing that, try as we might, we could not finish our pipes at the same time.
About 2 a.m. Pettigrew said something about going to bed; and I rose and put down my pipe. We stood looking at the fire-place for a time, and he expressed regret that I had to leave so early in
