This magnum opus, rewritten and further elaborated (4th ed., 16 vols.
His magnum opus dates from this period.
This was followed (1813-1818) by his magnum opus, the Storia della scultura dal suo risorgimento in Italia al secolo di Napoleone, in the composition of which he had been encouraged and advised by Giordano and Wilhelm Schlegel (1767-1845).
The os magnum 1, lunar; sc, scaphoid; u, unciform; of the carpus articulates freely m, magnum; td, trapezoid; tm, with the scaphoid.
The Eocene beds are nummulitic. There is a lacustrine group which has usually been placed in the Lower Eocene, but the discovery of Anthracotherium magnum in the interbedded lignites proves it to be Oligocene, in part at least.