Orientals, style of, v, 181.
Oriental minerals, F. Hall, xxxiii, 249.
Ornithichnites, see [Footprints.]
Ornithological terms, improved, xxi, 162.
Ornithology, work on, by T. Nuttall, noticed, xx, 154; xxii, 178; xxv, 424.
—, see farther under [Zoology.]
Orr, I., on the process of memory, xxiii, 278.
—, on the formation of the universe, vi, 128.f
—, on infinites, v, 326.
—, mathematical propositions by, xxiv, 395.