The muniments of the abbacy, preserved in the archives of the earl of Morton, were edited by Cosmo Innes for the Bannatyne Club and published in 1837 under the title of Liber sancte Marie de Melros.
But the discovery which was at once perceived to be most important in itself, and most revolutionary in its effects, was that of Jupiter's satellites, first seen by Galileo on the 7th of January 1610, and by him named Sidera Medicea, in honour of the grand-duke of Tuscany, Cosmo II., who had been his pupil, and was about to become his employer.
Here the works of Cosmo Innes are valuable, Lectures on Scotch legal antiquities (Edinburgh, 1872); and Scotland in the middle ages (Edinburgh, 1860).
As a pupil of the famous Pomponius Laetus, and, subsequently, as a member of the circle of Cosmo de' Medici, he received a finished education.
He seems, in addition, to have compromised his position with the grandducal family by the imprudent candour with which he condemned a machine for clearing the port of Leghorn, invented by Giovanni de' Medici, an illegitimate son of Cosmo I.
Of the Spalding Club; Cosmo Innes, Registrum Episcopatus Aberdonensis, Spalding Club; Walter Thom, The History of Aberdeen (1811); Robert Wilson, Historical Account and Delineation of Aberdeen (1822); William Kennedy, The Annals of Aberdeen (1818); Orem, Description of the Chanonry, Cathedral and King's College of Old Aberdeen, 1724-1725 (1830); Sir Andrew Leith Hay of Rannes, The Castellated Architecture of Aberdeen; Giles, Specimens of Old Castellated Houses of Aberdeen (1838); James Bryce, Lives of Eminent Men of Aberdeen (1841); J.