MAINLY AUTOBIOGRAPHICAL 19 not widely enough to open my vision to the immense and heterogeneous reality covered by the word«America. Perhaps I fancied myself an experienced traveller in the country, but I was experienced only in the sense that I could find my way about, knew the technique of the railroads and hotels, so far as a traveller needs to know it, could order my meals with some knowledge of what I was ordering—for instance, that if I ordered roast beef, I should get four times as much as I could eat—and not make the mistake of under- tipping the waiter, Mr. Bryce (afterwards Lord Bryce), whom I had known in England, was then newly installed as pur Ambassador at Washington. My business requiring me to see him, I lunched with him one day at the Embassy and I remember him gently warning me, after listening to some remarks of mine, against thinking I knew more about America than I really did, which warning I have never forgotten and hope to keep steadily before me in the course of writing this book. I was by no means an important visitor either in Washington or anywhere else, but my business was sufficiently important to cause my American friends, especially in the universities, to get up occasional dinner parties at which I was the guest of honour. As a warning to Englishmen accorded this kind of honour by Americans per- haps the folfowing incident, taken from my diary of 1907, may have its use. Being invited to a