OF

ASTRONOMY:

BY

SIR JOHN F. W. HERSCHEL, BART. K.H.

M.A. D.C.L. F.R.S.L. & E. HON. M.R.I.A. F.R.A.S. F.G.S. M.C.U.P.S.

Correspondent or Honorary Member of the Imperial, Royal, and National, Academies of Sciences
of Berlin, Brussels, Copenhagen, Göttingen, Haarlem, Massachusetts (U. S.), Modena
Naples, Paris, Petersburg, Stockholm, Turin, Vienna, and Washington (U. S);
the Italian and Helvetic Societies;

the Academies, Institutes, &c., of Albany (U. S.), Bologna, Catania, D'jon, Lasanne,
Nantes, Padua, Palermo, Rome, Venice, Utrecht, and Wilna;

the Philomathic Society of Paris; Asiatic Society of Bengal; South African Lit. and Phil. Society
Literary and Historical Society of Quebec; Historical Society of New York;
Roval Medico-Chirurgical Soc., and Inst. of Civil Engineers, London;
Geographical Soc. of Berlin; Astronomical and
Meteorological Soc. of British Guiana;

&c. &c. &c.

A NEW EDITION.

WITH NUMEROUS PLATES AND WOOD-CUTS.

PHILADELPHIA:

BLANCHARD & LEA.

1981