Yang-tsze-Chiang, which was an exceedingly interesting trip to them. The ships then made the voyage to Tien-tsin, from which they ascended by river in the steam-launch to a point thirteen miles from Pekin, going from there to the capital by the various modes of conveyance in use in China. They visited the sights of the great city under the guidance of a mandarin, educated at Yale College. Some of the party made the trip to the loop-wall, near Pekin. Returning to Tien-tsin, with the diplomatic mandarin, who had accepted an invitation to go to Japan in the Guardian-Mother, they sailed for that interesting country, where the next volume of the series will take them.

It may be necessary to say that the Guardian-Mother, now eighteen months from New York, and half round the world, reached Tien-tsin May 25, 1893; and therefore nothing relating to the late war between China and Japan is to be found in this volume. Possibly the four young explorers would have found more sights to see, and more adventures to enjoy, if they had struck either of the belligerent nations during the war; but the ship sailed for the United States before hostilities were begun.

Of course the writer has been compelled to consult many volumes in writing this book; and he takes great pleasure in mentioning among them the very interesting and valuable work of Mr. W. T. Hornaday, the accomplished traveller and scientist, "Two Years in the Jungle." This book contains all that one need know about Borneo, to say nothing of the writer's trip in India among the elephants. His researches in regard to the orang-outang appear to have exhausted the subject; though I do not believe he has found the "missing link," if he is looking for it. Professor Legge contributed several articles to "Chambers's Encyclopædia," which contain the most interesting and valuable matter about China to be derived from any work; for he lived for years in that country, travelled extensively, and learned the language. I am under great obligations to these authors.

The author is under renewed obligations to his readers, young and old, who have been his constant friends during more than forty years, for the favor with which they have received a whole library of his books, and for the kind words they have spoken to him, both verbally and by letter.

Dorchester, Mass.

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