"Journal de route de Henri Duveyrier" by Henri Duveyrier is a travel journal written in the mid-19th century. It records a scientific and ethnographic journey across the Algerian and Tunisian Sahara, mixing precise route notes with observations on peoples, languages, flora, fauna, water sources, and oasis life. This edition frames the field notes with an editorial preface and a biographical sketch that situate the expedition and its methods. The beginning of the volume presents a foreword explaining the posthumous publication and light editing of the field notebooks, followed by a biography tracing the explorer’s Provençal family, early schooling in Germany, love of languages and natural history, guidance from prominent scholars, a formative Algerian trip, mentorship by Heinrich Barth, and thorough preparation to travel openly as a Christian. The journal then opens at Biskra (January–February), where the traveler lists the diverse sub-Saharan communities present, studies local mollusks and thermal waters, checks time and latitude, and notes Roman remains. Setting out southward, he crosses Chegga and Oumm-et-Tiour to the Oued-Righ and the Souf, describing dunes, winds, vegetation (drin, retam, arta), fauna tracks, and the labor of desert travel with guides and camels. He sketches the oases and towns—Merhaier, Guemar, Tarhzout, Kouinin, and El-Oued—with remarks on irrigation, palm culture, prices, religious affiliations, and local traditions of origin. Turning toward Ouargla vi…
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