—, effect of light on the color and movements of, D. P. Gardner, xlvi, 1.f

—, effect of light on the germination of the seeds of, xliv, 352.

—, — — on the growth of, xliv, 352; xlvi, 397; xlvii, 194.

—, experiments on inorganic elements of, xlvii, 194.

—, effect of climate on geography of, xlvii, 221.

—, effect of frost of the winter of 1837-8 in England, upon, J. Lindley, xxxix, 18.

—, — of chemical solutions on, xvii, 388.

—, excrementitious matter from, J. Buel, xxviii, 267.

—, experiments on garden, J. T. Plummer, xl, 197.

—, growth of, in closely glazed cases, xliii, 383.