We owe an immense debt of gratitude and honour to the many enterprising and cultivated men who have gone into all parts of the earth and among all peoples to investigate human history and habit, mythology and religion, and thus enrich the stores of our national literature. With such a host of travellers gathering up the fragments, nothing of value is likely to be lost. We have to thank intelligent explorers for all we know of the mythical frog or toad in the moon: an addition to our information…