An indefatigable devotion to the cause of science, added to the experience gained during previous wanderings in Palestine, eminently adapted the learned Dr Roth to discharge the arduous functions of natural historian to the Mission; and the splendid collection realised, together with the researches embodied in the various appendices to these volumes, will afford the fullest evidence of his industry and success. To all who were associated with himself, in view to the better attainment of the objects contemplated, the Author here offers his warm acknowledgments for the cheerfulness displayed under trials and privations. Of the able assistance of some he was unavoidably deprived during an early period of the service. The disappointment thus involved in his own person has been fully equal to that experienced by themselves; but they must be sensible that their hardships have not been undergone in vain, and that they too have accomplished their share in the undertaking, so far as fortune permitted. To the Reverend Dr Krapf the thanks of Government have already been conveyed, for the valuable co-operation derived from his extended acquaintance with the languages of Abyssinia. But the Author gladly avails himself of this opportunity publicly to record his personal sense of obligation to the active and pious Missionary of the Church of England, whose kindness from the first arrival of the Embassy on the frontiers of Shoa, to the date of his own departure for Cairo, was unremitting. By no tribute of his own could the writer of these volumes extend the well-deserved reputation of McQueen's Geographical Survey. It will nevertheless be satisfactory to one who takes rank among the foremost benefactors of the oppressed "children of the sun," to receive the additional testimony which is due to the undeviating accuracy of theories and conclusions founded upon years of patient and honest investigation; and this the Author unhesitatingly records, in so far as the north-eastern portions of Africa have come within the observation of the Embassy which he has the honour to conduct. _Ankober, 1st January_, 1843. POSTSCRIPTUM. The length of time that has unavoidably elapsed between the preparation and the appearance of these volumes, needs no apology, neither is it proposed to offer any for their termination in the country of which they treat, and wherein they were written. But the work must not now be suffered to go forth without the expression of the Author's gratitude for the assistance derived during its progress through the press, from the talents and literary taste of his friend Major Franklin Lushington, C.B. Volume One, Chapter I. DEPARTURE OF THE BRITISH EMBASSY FROM THE SHORES OF INDIA.