Observations on the Geology and Zoology of Abyssinia. London: Macmillan, 1870. Nicely bound in modern calf-backed marbled boards, the spine tooled and lettered in gilt and with red morocco lettering labels.9 x 6 inches (22.5 x 13.5 cm);12 hand-colored and plain lithographed plates by Keulmans and others, 2 color lithographed fold-out maps, xii + 487 pp. Spotting and old dampstain at front affecting folding plate, toned, other stray stains.