First Edition, with a folding map as frontispiece, and a folding plan, 8vo., pp. viii, 227, contemporary half red morocco, with raised bands ruled in gilt, and decorated panel, marbled edges and end-papers, a most attractive copy of a scarce item.An account of the 1875-76 survey of the route for a proposed railway between the Nile and El Fasher via the Wadi al Milk. See also the complementary account by Falkonberg. Hill pp. 44, 60 and 67.