— of different specific gravities together, rotation of, W. R. Johnson, xxvii, 84.f
—, on the upward forces of, E. C. Genet, xi, 110, 339f; xii, 94, 310; xiii, 377.
—, ibid, reply by T. P. Jones, xiii, 79.
Lister, Martin, notice of, C. Fox, xxxvii, 137.
Lithia, a new alkali, i, 309.
—, blowpipe test, when mixed with soda, xlviii, 193.
—, new process for obtaining, Quesneville, xx, 194.
[Lithographic] establishment in Portugal, ix, 366.
— impressions of leaves of plants, v, 170.
— paper, iii, 370.