— cheese, xviii, 395; xxiii, 202.

— flour for bread, xvi, 391.

— —, detection of, in wheat, xvii, 173.

—, molasses from, S. Guthrie, xxi, 93.

— starch, sugar from, S. Guthrie, xxi, 284.

—, Sweet, sugar in, xv, 285.

— fly, cantharidin in, ii, 137.

Potentilla supina, xiv, 114.

Pot-holes, made by means of running water, in the Green Mountains, vi, 252.

—, near the Franconia Notch, xxxiv, 122.