Painting in fresco, means of detaching, iv, 384. ---- on ivory, color of carmine, how produced by red lead, xxvi, 74. ---- of a Parthian archer, by D. Scott, xlii, 215. ---- of porcelain, iii, 217. ---- of the Declaration of Independence, by Col. Trumbull, i, 200. Paintings, historical, by J. Trumbull, xvi, 163. ----, Trumbull Gallery of, at Yale College, xxxix, 213.^f ----, transparent, by Kœnig, ii, 348. ----, remarks on colors for, xxvi, 74, 75. Palæonisci found in New Jersey, xliv, 135. Palæontology, _W. Whewell's_ remarks on, xxxvii, 227. Palæozoic rocks, classification and nomenclature of, _H. D._ and _W. B. Rogers_, xlvii, 111, 154. Palermo, iii, 396. Palestine, on minerals from, _F. Hall_, ix, 337. ----, ----, _I. Bird_, x, 21. ----, various facts relating to, _I. Bird_, xii, 145. ----, notices of, in a letter by _I. Bird_, xv, 374. ----, climate of, xxxi, 183. ----, account of, _J. D. Sherwood_, xlviii, 2. Palisades, ii, 182. Palms, _C. F. P. von Martius_ on, noticed, viii, 383. Palm trees, fossil, Indiana, _D. D. Owen_, xlv, 336. ----, seed of, Mariner's Mill, Ohio, xxxi, 28.^f ----, leaf of, Ohio, xxxi, 35.^f Palmacites, fossil plants, generic characters of, vii, 182. Palmetto, used as food in Florida, xxxv, 59. Paludina, see Zoology, _Mollusca_. Pantology, of _R. Park_, noticed, xli, 389; xlii, 192. _Pantoppidan's_ account of the sea serpent, ii, 163. Paper from the bark of willow, &c., x, 387. ---- from the beach grass, xxxvi, 386. ---- from husks of corn, xxvi, 193. ---- made from marine plants, xv, 169. ----, ivory, iii, 370. ----, lithographic, iii, 370. ----, rice, xxiv, 207. ---- for drawing, a new mode of preparing, xiv, 373. ---- covered with pumice, for removing rust, xv, 169. ---- making, a discovery in, made, x, 193.^f ---- hangings, how protected from injury by dampness of walls, vi, 396. Papyrus, made from plants, at Syracuse, xxvii, 80. Paradoxides, _J. Hall_ on, xxxiii, 139.^f Paragrèles in France, x, 196; xii, 398. ----, efficacy of, xiv, 37. Parallax of the star 61 Cygni, xxxvi, 200. Paralysis, cured by lightning, iii, 100. Paramorphine and Pseudomorphine, xxx, 179. Parasite tree, _G. W. Long_, xxvi, 106.^f ---- of the honey bee, xxv, 213. ---- of the eggs of the canker worm, xxxviii, 385; xl, 211. Parasitical plants, xii, 21. Parhelion, singular, with theory of halos, _E. S. Snell_, xlix, 73.^f Pargasite, in Massachusetts, x, 11. ----, in New York, xxv, 347. Parhelia, seen at Otisco, _W. Gaylord_, xxxix, 61.^f ----, seen at Green Bay, _R. E. Clary_, xxviii, 304.^f Parietin, _R. D. Thomson_, xlix, 195. _Paris, J. A._, on sandstone, i, 234.