"Sweeping" the heavens--Discovery of the comet, 1847--Frederick VI.

and the comet--Letters from G.P.Bond and Hon.

Edward Everett--Admiral Smyth--American Academy--American Association for the Advancement of Science--Extract from diary, 1855--Dorothea Dix--Esther--Divers extracts from diary, 1853, 1854--Comet of 1854--Computations for comet--Visit to Cape Cod--Sandwich and Plymouth--Pilgrim Hall--Rev.James Freeman Clarke--Accidents in observing.