FORBES, James D. Travels through the Alps of Savoy and other parts of the Pennine Chain with observations on the phenomena of glaciers, Edinburgh: Adam & Charles Black, 1845, 8°, second edition, 9 lithographed plates, 2 tinted, 2 maps, one folding, 4 tinted plates of topographical sketches, recent red calf gilt; Occasional Papers on the Theory of Glaciers, Edinburgh: Adam and Charles Black, 1859, 8°, FIRST EDITION, chromolithographed frontispiece and 9 lithographed plates (some spotting), contemporary calf gilt; The Tour of Mont Blanc and of Monte Rosa, Edinburgh: Adam and Charles Black, 1845, 2 lithographed maps, one tinted and folding, original pictorial cloth gilt (spine torn); and 3 others by Forbes. (6)