Pyroxene, see [Augite.]

Pyrrhite, xlvii, 340, 418.

Q.

Quackery, medical, iv, 390.

Quadrant, T. Godfrey, the inventor of, xxxv, 389.

Quadrupeds about Richmond, Indiana, xlvi, 244.

—, habits and anecdotes of, xlvi, 237, 243.

—, see farther under [Zoology.]

Quantity of matter, effect of, on affinity, xvi, 234.

Quarantine, high temperatures disinfecting and affording a substitute for, W. Henry, xxi, 392.