Kœnig's transparent paintings, ii, 348.

Kopp, H., on isomorphism, xlvi, 369.

Kuhlmann, on the use of sulphate of copper, alum, &c. in the making of bread, xx, 269.

Kunker, a tufaceous deposit in India, Newbold, xlix, 398.

Kurile Islands, xvii, 32.

[Kyanite,] analysis by C. H. Rockwell, xlvi, 383.

—, compared crystallographically with Sillimanite, C. U. Shepard, xii, 159.f

—, in Connecticut, i, 352; ii, 238; vi, 219; vii, 253; xviii, 361.

—, in Massachusetts, i, 114; vi, 219; vii, 255; ix, 252; xiv, 216.

—, in New Hampshire, v, 40.