— reefs, formation of, B. Hall, xiv, 207.

Corda, A. J. C., on the impregnation of plants, xxxi, 317.f

[Cordage,] on the vegetable materials used for, J. Mease, xxi, 27.

—, material for, from the Rose of Sharon, xxviii, 371.

—, from Manilla hemp, xli, 200.f

—, and nets, strengthened by a solution of glue with oak bark, xxvi, 186.

Cornelius, E., geology, mineralogy, &c., of part of Virginia, Tennessee, Alabama, and Mississippi, i, 214, 317.f

—, singular position of a granite rock, ii, 200.f

Cornuti's plants of Canada, ix, 265.

Corpo Santo, instances of, xvi, 171.