—, in the Pacific, on the coast of Chili, xliii, 207.
—, steam, see [Steam.]
—, on the application of the hydrostatic and aerostatic powers to aquatic, E. C. Genet, xi, 344.f
—, solution of a problem in, W. Chauvenet, xlvi, 79.
—, Treatise on, M. F. Maury's, noticed, xxxii, 208.
Navigator, N. Bowditch's, noticed, xxxv, 11.
Navigators, directions to, if overtaken by storms in different seas, W. C. Redfield, xxv, 119, 120.
—, ibid, H. W. Dové, xliv, 338.
Navy of steam ships, xxxv, 333.
Nebulæ, account of some, H. L. Smith and E. P. Mason, xl, 37.