subsequent books.
These pages, although a reproduction of what has [5]
been written, are still in advance of their time; and are
richly rewarded by what they have hitherto achieved for
the race. While no offering can liquidate one's debt of
gratitude to God, the fervent heart and willing hand are
not unknown to nor unrewarded by Him. [10]
May this volume be to the reader a graphic guide-
book, pointing the path, dating the unseen, and enabling
him to walk the untrodden in the hitherto unexplored