Animal fibrine, albumen and caseine, isomeric with vegetable fibrine, _Scheerer_, xliii, 402. ---- organs, action of barytes, strontian, chrome, &c. on, xiii, 178. ---- magnetism in France, v, 192. ---- ----, notice of a work on, by _Dupau_, xiii, 175. Animalcules in snow, xviii, 56. Animalcules, see _Infusoria_. Animation suspended, iv, 393; xxxiii, 292. Animation suspended by drowning, _L. W. Smith_, v, 125. Annals of the New York Lyceum, see _Lyceum_. Annelids in the slabs of Waterville, Maine, xli, 163. Anniversary, centennary, of the American Philosophical Society, Proceedings of, xlv, 231. Antarctic regions, discoveries in, by the U. S. Exploring Expedition, xl, 394. ---- seas, Expeditions to, xxxv, 306. _Anthony, J. G._, Calymene Bucklandii, a new species of trilobite, xxxvi, 106.^f ----, fossil encrinite from near Cincinnati, xxxv, 359.^f Anthophyllite in Canada, viii, 69. ---- in Connecticut, xvii, 144. ---- in Massachusetts, ix, 248. Anthophyllum, xvii, 288; xviii, 249^f; xxix, 150.^f Anthracite, see _Coal_. Antigua, petrified wood of, i, 56. Antimony, test for minute quantities of, xliv, 13. ----, a mode of separating from lead, brass, &c., xv, 188. ----, separation of, from tin, _Gay Lussac_, xxvii, 197. ----, gray, locality of, in Lyme, N. H., xlix, 228. ----, ----, ibid, in Connecticut, xii, 156. ---- and lead, sulphuret, xxx, 177. Antimonial nickel, a new mineral species, xxviii, 395. Antiparos, description of the grotto of, xvi, 335. Antiquarian Society, American, notice of, xviii, 136. ---- ----, ----, transactions of, iii, 357. Antiquaries, Northern, circular of, xl, 212. ----, ----, notice of, xl, 403; xlii, 214. Antiquities, North American, xxxiv, 47. Antiquities, North American, notice of a work on, xxxi, 408. ----, Celtic, of America, by _J. Finch_, vii, 149. Antiquities, Peruvian, xvii, 116.^f Ants, habits of, xiii, 177. Apalachian Chain, see _Appalachian_. Apatite, in Canada, viii, 71. ----, in Connecticut, xii, 161. ----, in Delaware, xiv, 11. ----, in Maryland, v, 256. ----, in Massachusetts, vii, 254; viii, 36; xii, 260. ----, in New Jersey, v. 244. ----, in New York, i, 236; v, 28; ix, 244, 402; xxi, 328, 330; xxiii, 403; xlvi, 34, 366.^f ----, in Pennsylvania, ix, 45, 246; x, 222; xiv, 6, 8, 13, 14. ----, in Rhode Island, xl, 185. ----, account of, from St. Lawrence Co., N. Y., xlvi, 34. ----, distorted or rounded crystals, xiv, 143; xlvi, 366.^f Apocrenic acid, _Berzelius_, xxviii, 121. Apophyllite from Tyrol and Greenland, analysis of, vii, 370. ----, of New Jersey and New York, _L. C. Beck_, xliv, 56. ----, localities of, in Connecticut, vi, 225. ----, ----, in New Jersey, xl, 69; xliv, 54. ----, ----, in New York, xliv, 56. ----, ----, in Nova Scotia, xxx, 345, 348.