—, geology, scenery, &c. of the Catskill Mountains, vi, 86.

—, notice of the alluvial district of New Jersey, with remarks on the marl, vi, 237.

—, an excursion among the White Mountains and up Mount Washington, viii, 172.

—, agriculture, geology, &c. of the Floridas, ix, 119.

—, topography, resources, &c. of Michigan, x, 304.

—, Virginia, shell marl and coal regions of, xi, 54.

—, mineral resources of Pennsylvania, xii, 54.

Pierce, L., notice of a halo, x, 369.f

Pierpont, J., meteorological notes in 1692, xlii, 399.

Pig, anecdote of, xlvi, 243.