Since it has come to our ears that some persons have doubted the truth of this story, and that, consequently, the publisher of the subterranean voyage has gotten, here and there, a bad reputation, we have, to prevent all false accusations, held it advisable to prefix to this new edition certificates from men whose honesty and sincerity are raised above all distrust, and whose evidence will secure the publisher against all opposition. The first two of these witnesses we know to have been contemporary with our hero; the rest flourished at a period immediately subsequent; and all are generally known as people venerable in virtue and honesty, whose cool and sound judgments effectually preclude the blandishments of cajolery, while their noble candor and undeviating uprightness forbid the sanction of their names to whatever is, in its nature, deceitful or fictitious. With the testimony of such respectable persons, we shall bind the tongues of all false, prejudiced and sneering critics, and, before these signatures, oblige them to acknowledge their folly and take back their heedless accusations. The certificate sent to my brother and myself reads thus: "At the desire of the estimable and much respected young men, PETER KLIM and ANDREAS KLIM, we, the undersigned, do certify, that among the books and papers left by the celebrated NIELS KLIM, we have seen a manuscript, with the title, 'Subterranean Voyage.' To the same 'Voyage' were added a subterranean Grammar and Dictionary, in two languages, namely, Danish and Quamitic. By comparing the celebrated Abelin's Latin translation with this old manuscript, we find that the former does not, in the least point, deviate from the hand-text. To its further confirmation we have hereby placed our seals. ADRIAN PETERSON, MPP. JENS THORLAKSEN, MPP. SVEND KLAK, MPP. JOKUM BRANDER, MPP. JENS GAD, (for self and brother,) MPP. HIERONYMOUS GIBS, (Scotch,) MPP." We hope by such distinguished and authentic testimony to remove all doubt; but should there be found any stubborn enough to persist in their suspicions, in spite of these certificates, we will anticipate their objections, and endeavor to subdue their incredulity with other weapons.