NO RESERVE Geology.- Volcanoes.- Spallanzani (Lazzaro) Viaggi alle due Sicilie e in alcune parti dell'Appennino [vol.6 Oposcoli sopra diversi animali, che servono di appendice ai viaggi all due Sicilie], 6 vol., first edition, half-titles to vol. 2 and 4-6 only (lacking in other vol.), 11 folding engraved plates, plate IV repaired at head, without loss, small ownership stamp to half-titles or margin of f. following title (occasionally both), 19th century half vellum, spines lettered and decorated in black, lightly soiled and rubbed, a solid set, 8vo, Pavia, Baldassare Comini, 1792-1797.

⁂ 'Of special interest were his minute and picturesque descriptions of the eruptions of Stromboli, which at not a little personal risk he watched from a crevice in the lava. His Travels in the Two Sicilies and in some Parts of the Apeninnes contained a vast assemblage of careful observations among the recent and extinct volcanoes of Italy' (Geikie, The Founders of Geology, p. 199).