AUTHORITIES.
Delambre, Histoire de l'Astronomie; Arago, Histoire de
l'Astronomie; Life of Galileo, in Cabinet Library; Life of Galileo,
by Brewster; Lives of Galileo, by Italian and Spanish Literary Men;
Whewell's History of Inductive Sciences; Plurality of Worlds;
Humboldt's Cosmos; Nichols' Architecture of the Heavens; Chalmers'
Astronomical Discourses; Life of Kepler, Library of Useful
Knowledge; Brewster's Life of Tycho Brahe, of Kepler, and of Sir
Isaac Newton; Mitchell's Stellar and Planetary Worlds; Bradley's
Correspondence; Airy's Reports; Voiron's History of Astronomy;
Philosophical Transactions; Everett's Oration on Galileo; Life of
Copernicus; Bayly's Astronomy; Encyclopaedia Britannica, Art.
Astronomy; Proctor's Lectures.