Part 19

Iron ores, in Greece, xxxii, 175. ---- ---- in Canada, viii, 75, 76. ---- ---- in Nova Scotia, xv, 157, 159, 201, 210, 213. ---- ---- in United States. ---- ----, in New England, western, viii, 30. ---- ----, ----, in Maine, _C. T. Jackson_, xxxvi, 147, 150. ---- ----, ----, in New Hampshire, at Franconia, viii, 180. ---- ----, ----, ibid, _C. U. Shepard_, xviii, 134, 289. ---- ----, ----, in Massachusetts, southern, and northern Connecticut, (bog) x, 14. ---- ----, ----, ibid, notice of some, xxxvi, 378. ---- ----, ----, general account of, _E. Hitchcock_, xxii, 50. ---- ----, ----, ibid, of Hawley, vi, 208. ---- ----, ----, ibid, of Kent, Richmond, &c., v, 20. ---- ----, ----, of New Braintree, vi, 209. ---- ----, ----, in New England, in Vermont, _F. Hall_, iii, 57; iv, 23. ---- ----, ----, ibid, at Bennington, _C. Dewey_, v, 249. ---- ----, ----, ibid, at Plymouth, (spathic) ix, 22. ---- ----, ----, ibid, ibid, _T. G. Clemson_, xxiv, 170. ---- ----, ----, in Rhode Island, xl, 185. ---- ----, ----, in Connecticut, _C. U. Shepard_, xxxiii, 152. ---- ----, ----, ibid, at New Milford, (spathic) vi, 209; xix, 311.^f ---- ----, ----, in Kent, hematite, ii, 216; vi, 209. ---- ----, ----, in Salisbury, ii, 212; vi, 208; xix, 322. ---- ----, ----, in New York, xlvi, 25. ---- ----, ----, ibid, of Clinton group of rocks, (argillaceous) xlviii, 301. ---- ----, ----, ibid, of Columbia and Dutchess Cos., xxxvi, 21. ---- ----, ----, ibid, of Crown Point, iv, 48. ---- ----, ----, ibid, of Essex Co., xxxvi, 26; xl, 81. ---- ----, ----, ibid, at Hillsdale and Amenia, viii, 243. ---- ----, ----, ibid, in Orange Co., xvii, 203. ---- ----, ----, ibid, in Jefferson and St. Lawrence Cos., xl, 81. ---- ----, ----, ibid, in Scoharie Co., xxviii, 176. ---- ----, ----, ibid, in St. Lawrence Co., _J. Finch_, xix, 220. ---- ----, ----, in New Jersey, at Franklin, v, 243. ---- ----, ----, ibid, at Pompton Plains, v, 28. ---- ----, ----, ibid, in Morris Co., v, 28. ---- ----, ----, in Pennsylvania, analyses of, _W. R. Johnson_, xxxviii, 383; xxxix, 142. ---- ----, ----, in Maryland, _Ducatel_ and _Alexander_, xxvii, 7, 13, 32. ---- ----, ----, near Baltimore, titanic, _T. G. Clemson_, xvii, 42. ---- ----, ----, in Ohio valley and Ohio, _S. P. Hildreth_, xxix, 129^f, 137; xxxi, 61, 68. ---- ----, ----, in Michigan, xxxiv, 192. ---- ----, ----, in Illinois, _C. U. Shepard_, xxxiv, 159. ---- ----, ----, in Missouri and the West, iii, 26, 63; xliii, 67. ---- ----, ----, in North Carolina, v, 417; xiv, 235; xli, 183, 348. ---- ----, ----, in Alabama, xlviii, 399. ----, arsenical, in New Hampshire, xxiv, 386; xlvi, 384. ----, ----, in Connecticut, vi, 232. ----, ----, in New York, xxi, 326. ----, bog, in Maine, x, 18. ----, ----, in Massachusetts, i, 343; ix, 43; x, 14; xxii, 55. ----, ----, in Connecticut, x, 14; xxxiii, 156, 160. ----, ----, in New York, v, 270; xxviii, 176. ----, ----, in New Jersey, _H. Seybert_, with an analysis, viii, 298. ----, ----, in Pennsylvania, iv, 4; xiv, 5. ----, ----, in Maryland, xxvii, 7. ----, ----, in North Carolina, xiv, 235. ----, ----, in Michigan, xxxiv, 192. ----, ----, in Canada, viii, 76. ----, argillaceous, in Massachusetts, iv, 285; xxii, 55. ----, ----, in New York, xlviii, 301. ----, ----, in Ohio, xvi, 156. ----, ----, in Maryland, xxvii, 32. ----, ----, in Delaware, xiv, 11. ----, ----, in Canada, viii, 76. ----, carbonate of, or spathic, in New Hampshire, vi, 245. ----, ----, in Vermont, Plymouth, ix, 22; xxiv, 170, (with analysis.) ----, ----, in Massachusetts, v, 269; ix, 54; xxii, 50. ----, ----, in Connecticut, ii, 226; vi, 209; xix, 311^f, (New Milford); xxxiii, 160. ----, chromic, in Vermont, xxviii, 383. ----, ----, in Massachusetts, vi; 248; viii, 56; xxiv, 397. ----, ----, in Connecticut, vi, 233. ----, ----, in New York, ix, 243. ----, ----, in Pennsylvania, viii, 239; ix, 45; xiv, 7, 10. ----, ----, in Maryland, xxvii, 18. ----, hematite or brown, in Vermont, iii, 57; iv, 23; v, 249. ----, ----, in Massachusetts, iv, 285; v, 269; viii, 55; xxii, 54. ----, ----, in R. Island, iv, 285. ----, ----, in Connecticut, ii, 209, 212, 216; vi, 208; viii, 260; xix, 322; xxxiii, 156. ----, ----, in New York, i, 144; iv, 47. ----, ----, in Pennsylvania, i, 236; xiv, 14. ----, magnetic, igneous origin indicated by jointed structure, xli, 173. ----, ----, connection with trap dikes, _E. Emmons_, xl, 81. ----, ----, at Mount Etna, xxx, 186. ----, ----, in New Hampshire, xviii, 130. ----, ----, in Vermont, iii, 76; vi, 232. ----, ----, in Massachusetts, i, 115, 344; v, 269; vi, 208; vii, 255; viii, 55; ix, 43; x, 13, 18; xxii, 52. ----, ----, in Rhode Island, (native magnet) iv, 285; v, 402. ----, ----, in Connecticut, v, 41; viii, 259; xxxiii, 155; xlvi, 365,^f (distorted crystal.) ----, ----, in New York, iv, 48; v, 28; ix, 41, 252; xxv, 350; xl, 81. ----, ----, in Pennsylvania, viii, 238; x, 219; xiv, 10, 18. ----, ----, in Maryland, xviii, 81. ----, ----, in Canada, viii, 75. ----, micaceous, in Vermont, iii, 76; vi, 208, 233. ----, ----, in Massachusetts, i, 115; iv, 53; vi, 27, 207, 233, 248; xxii, 53. ----, ----, in Rhode Island, viii, 231, 232. ----, ----, in New York, xxv, 350. ----, ----, in Pennsylvania, iv, 4; viii, 238. ----, ----, in Virginia, iii, 232. ----, phosphate of, Cornwall, analysis of, vii, 369. ---- pyrites, cause of decomposition of, xix, 387. ---- ----, specific gravity of, xix, 388. ---- ----, occurrence of, in fossiliferous rocks, xxxi, 74. ---- ----, in New Hampshire, xviii, 129, 131. ---- ----, in Vermont, i, 115; vi, 245. ---- ----, in Massachusetts, viii, 54; x, 18; xxii, 51. ---- ----, in Rhode Island, viii, 199. ---- ----, in Connecticut, i, 49; v, 44; vii, 56; x, 13; xxxiii, 160. ---- ----, in New York, v, 12, xix, 224; xxv, 350; xxviii, 172^f; xlvi, 36.^f ---- ----, in Pennsylvania, iv, 4; viii, 239; x, 222; xiv, 5, 6, 8, 13. ---- ----, in Ohio, xvi, 156. ---- ----, in New Jersey, v, 28. ---- ----, in Maryland, xviii, 80. ---- pyrites, in North and South Carolina, iii, 3; v, 262; xli, 183. ---- ----, in Alabama, xxiv, 9. ---- ----, in Canada, viii, 75. ---- ----, in Nova Scotia, xv, 213. ---- sand, in Massachusetts, i, 115. ---- ----, in Connecticut, vi, 232. ---- ----, in Canada, viii, 75. ----, silicate of, Bodenmais, xviii, 164. ----, specular, association of, in Jefferson and St. Lawrence Cos., _E. Emmons_, xl, 81. ----, ----, of volcanic origin, theory of formation of, _G. Bischof_, xxxvi, 237. ----, ----, ibid, _Mitscherlich_, xxxvi, 237. ----, ----, in Canada, viii, 76. ----, ----, in Maine, x, 17. ----, ----, in Massachusetts, i, 115, 438. ----, ----, in New Hampshire, xviii, 131. ----, ----, in New York, iv, 250; xxi, 329; xl, 81. ----, ----, in Pennsylvania, iv, 4; xiv, 9. ----, ----, in Rhode Island, ix, 46. ----, sulphate of, in Massachusetts, i, 115; viii, 56. ----, ----, in Connecticut, v, 36; viii, 260; x, 13. ----, ----, in New York, iv, 250; xv, 243. ----, ----, in New Jersey, v, 265. ----, titanic, near Baltimore, Maryland, _T. G. Clemson_, xvii, 42.

Irradiation, notice of _B. F. Joslin's_ memoir on, xxvii, 389.

Ischil, salt mines of, xxix, 225.

Islands, floating, _A. Pettengill_, xii, 122. ----, sudden formation of, from volcanic action, _G. Bischof_, xxxvi, 267. ----, volcanic, near Sicily, thrown up, xxi, 399.^f

Isomeric compounds, xix, 383. ---- bodies, _J. J. Berzelius_ on, xxvi, 178.

Isomerism, remarks on, xxviii, 356.

Isomorphism, _H. Kopp's_ views on, xlvi, 369. ----, exceptions to the law of, xxxv, 302.

Isopyre, analysis of, xv, 388.

Italy, see _Vesuvius_ and _Volcano_.

_Ives, A. W._, chemical examination of hop, ii, 302.

_Ives, Eli_, on a species of Limosella, i, 74. ----, on the amount of nutritious matter afforded by an acre of land cultivated with potatoes or wheat, i, 297. ----, new species of Asclepias, i, 252.^f ----, on spring pasture, iii, 355.

Ivory paper, iii, 370. ----, vegetable, xlix, 400.

J.

_Jackson, C. T._, analysis of mineral waters from the Azores, xxxi, 94, 96. ----, ---- of the serpentine marble of Vermont, xxxviii, 198. ----, ---- of meteoric iron from Claiborne, Alabama, xxxiv, 332; xlviii, 145. ----, ---- of Catlinite, xxxv, 388; xxxvii, 393. ----, composition of some kinds of grains, xlv, 339. ----, on the copper and silver of Kewenaw Point, Lake Superior, xlix, 81. ----, remarks on drift, xlv, 320. ----, geology and mineralogy of a part of Nova Scotia, xiv, 305^f; xv, 132^f, 201. ----, on certain portions of the geology of Maine, xxxiv, 69. ----, geological reports on Maine, noticed, xxxii, 193; xxxv, 387; xxxvi, 143; xxxvii, 376. ----, ---- ---- on N. Hampshire, xli, 383; xlviii, 393; xlix, 27. ----, on the geology of Maine and the public lands, review of, xxxvi, 143. ----, on geological specimens and surveys, xxx, 203. ----, notice of some metamorphic rocks in New Hampshire, xlv, 145. ----, organic matters in soils, xlv, 337.

_Jacobi_, on electro-magnetism as a moving power, xl, 339.

_Jameson's_ Mineralogy, announced, ii, 167.

_Jarman, T._, on gas lights, iii, 170.

Jasper in Canada, viii, 64. ---- in Connecticut, v, 36. ---- in Massachusetts, i, 113, 343. ---- in Mississippi valley, iii, 71. ---- in New Jersey, ii, 197. ---- in North Carolina, v, 261.

Jaundice, use of phosphoric acid in, iv, 162.

Java, native sulphur of, i, 58. ----, sulphuric acid of, i, 58.

Jeffersonite, analysis of, v, 402. ----, identity of, with pyroxene, _H. Seybert_, vii, 145.

_Jenyns, L._, notice of the works of, xxxvii, 165.

Jewelry, composition of the powder used in giving the fine color to gold, xii, 188.

_Johnson, E. F._, canal surveys in the state of New York, xxiv, 19.^f ----, on the height of the mountains of New York, xxxvii, 84. ----, on the present mode of conducting land surveys in the U. States, xix, 131. ----, on the epicycloid, xxi, 280.^f

_Johnson, S. L._, ascent of Mt. Etna, xxvi, 1.

_Johnson, W. R._, economy of fuel, in its domestic applications, xxiii, 318.^f ----, electricity, experiments in, xxv, 57. ----, heating power of various coals, xlix, 166, 310. ----, heat and vapor, inquiries respecting, xxi, 304. ----, method of determining and calculating the specific heats of certain solids, xxvii, 267. ----, huaco a remedy for hydrophobia, xxiv, 279, 388. ----, confirmatory notice of the medical virtues of guaco, xxvii, 171. ----, iron from the Adirondack iron works, experiments on two varieties, xxxvi, 94.^f ----, iron ore and coal of Pennsylvania, analyses of, xxxviii, 382. ----, on the coal field of Carbon creek, xxxix, 137. ----, iron spikes, experiments on the adhesion of, in different kinds of timber, xxxii, 34.^f ----, rotascope, description of, xxi, 265.^f ----, rotation of liquids of different specific gravities, placed upon each other, xxvii, 84.^f ----, on the rapid production of steam in contact with metals highly heated, xix, 292; xx, 308, 418. ----, action between water and hot iron, xxi, 71.^f ----, description of a steam pyrometer, xxii, 96.^f ----, the strength of cylindrical steam boilers, xxiii, 68. ----, notice of an ancient American utensil, xxiii, 65.^f

_Johnston, J._, improved air pump, xxxiv, 86.^f ----, apparatus for solidifying carbonic acid, xxxviii, 297^f; xlii, 203. ----, new crystals of beryl, from Middlelown, xl, 401.^f ----, on a large crystal of columbite from Middletown, Ct., xxx, 387.^f ----, sketch of the early history of Count Rumford, xxxiii, 21. ----, on shrinkage marks in sandstone, xlv, 315.

_Johnston, J. F. W._, blank form for statistical information on chemical education, xxxi, 414. ----, work by, on agriculture, noticed, xlii, 187.

Joints in rocks, _W. W. Mather_, xli, 172.

_Jones, A._, steamboats protected from lightning, xxii, 106. ----, on hail storms, xxiii, 35.^f

_Jones, G._, on the use of anthracite in blacksmith shops, xviii, 303. ----, remarks on prairies, xxxiii, 226. ----, Naval Sketches, citation from, xvi, 168, 320.^f ----, excursion to Cairo, &c., xxxi, 412.

_Jones, W. G._, description of a new compensating pendulum, xxxviii, 274.^f

_Joslin, B. F._, on the atmospheric origin of the Aurora, xxx, 390; xxxv, 145. ----, polarity of crystals indicated by rotation, while forming, as seen under solar microscope, xxxv, 150. ----, on the tails of Halley's comet, xxxi, 142, 324. ----, electro-magnetic apparatus, xxi, 86.^f ----, on the causes of the earth's magnetism, xix, 398. ----, memoir on irradiation noticed, xxvii, 389.

Journals of Science, remark on British and American, xxvi, 174.

Journey, scientific, by _Seiber_, in Abyssinia, announced, iv, 383.

Juncus cylindricus, xlii, 83. ---- Greenei, xlv, 37.

Juniperus repens, iv, 69.

Jussieua tenuifolia, v, 294.

Justicia lætivirens, xlv, 176.

K.

Kaatskill mountains, see _Catskill_.

_Kain, J. H._, on the mineralogy and geology of part of Virginia and Tennessee, i, 60. ----, mounds and caves in Tennessee, i, 428. ----, hurricane at Shelbyville, Tenn., June, 1830, xxxi, 252.

Kakodyl, _Bunsen_, xli, 51; xlii, 324.

Kalmia cuneata, xxvi, 314.

Kamschatka, notice of, xvii, 30.

Kaolin, bed of, in Chester Co., Penn., xiv, 7. ----, in Maryland, xxvii, 19. ----, in New Jersey, ii, 368. ----, in North Carolina, v, 6.

_Karsten_, experiments by, on the formation of "images of Möser," xlv, 228.

Katahdin mountain, excursion to, _J. W. Bailey_, xxxii, 20.^f ----, height of, xxxii, 31.

_Keely, G. W._, on the resistance of fluids, xxviii, 318.^f

_Kelley, E. G._, geological features of Hawaii, xl, 117.^f

_Kellogg, E._, on the passage of lightning, ix, 84.

Kenawha gas, J. A. Lewis, xlix, 209. ---- river and valley, _S. P. Hildreth_, xxix, 83, 87. ----, climate of, xxix, 89. ---- brines, xviii, 260; xxiv, 51, 66; xxix, 84, 113.

_Kendall, E. O._, on the comet of 1843, xlv, 188.^f

_Kendall, T._, Halo at New Lebanon, a notice of, vii, 337.^f ----, improvements in the surveyor's compass, xix, 337.^f

_Kent, E. N._, new process for preparing gallic acid, xlvi, 78.

Kentucky, fossil bones at Big Bone Lick, xviii, 139. ----, ---- ibid, report on, by Messrs. Cooper, Smith and De Kay, xx, 370. ----, geology of the region near Louisville and Shippingsport canal, _I. A. Lapham_, xiv, 65.^f ----, caves in, containing nitre, viii, 323. ----, marbles of, iii, 234.

Kerolite, xviii, 391. ---- of Westchester, N. Y., analysis of, xlvi, 34.

Kilauea, Hawaii, notice of volcano of, xi, 1, 362; xvi, 345. ----, ----, ibid, _C. S. Stewart_, xx, 228. ----, ----, ibid, _J. Goodrich_, xxv, 199. ----, ----, ibid, _E. G. Kelley_, xl, 117.^f

_King, A. T._, footprints in Westmoreland Co., Pa., xlviii, 217, 343^f; xlix, 216.^f ----, on a halo, xl, 25.^f

_King, H._, on the geology of the valley of the Mississippi, xlvii, 12 8.

Kinic acid, detection of, _J. Stenhouse_, xlix, 391.

Kirkdale caverns, bones of, &c., examined by _W. Buckland_, viii, 158, 317.

_Kirtland, J. P_., on the sexual characters of the Naiades, xxvi, 117.^f ----, habits of the Naiades, xxxix, 164.^f ----, miscellaneous notices in Ornithology, xl, 19. ----, notice of, xxxi, 22.

Kite, for electro-meteorological observations, xxxii, 304.^f ----, for communicating with stranded vessels, x, 184.

_Kobell, F. von_, on galvanography, xlviii, 221.^f

Kobresia filiformis, xxix, 253.^f ---- globularis, xxix, 253.^f

_Kœnig's_ transparent paintings, ii, 348.

_Kopp, H._, on isomorphism, xlvi, 369.

_Kuhlmann_, on the use of sulphate of copper, alum, &c. in the making of bread, xx, 269.

Kunker, a tufaceous deposit in India, _Newbold_, xlix, 398.

Kurile Islands, xvii, 32.

Kyanite, analysis by _C. H. Rockwell_, xlvi, 383. ----, compared crystallographically with Sillimanite, _C. U. Shepard_, xii, 159.^f ----, in Connecticut, i, 352; ii, 238; vi, 219; vii, 253; xviii, 361. ----, in Massachusetts, i, 114; vi, 219; vii, 255; ix, 252; xiv, 216. ----, in New Hampshire, v, 40. ----, in New York, vi, 364. ----, in Pennsylvania, v, 41; ix, 246; x, 220, 222; xiv, 8, 12, 14, 18. ----, in Rhode Island, v, 403. ----, in Vermont, vi, 219, 245, 249.

L.

Laboratory of Dr. Hare, description of, xix, 26.^f

Labradorite of Essex Co., N. Y., _W. C. Redfield_, xxxiii, 303. ----, in Canada, viii, 66.

Lachrymatories from Milo, xvi, 333.^f

Lacker for brass, receipt for, ix, 169.

_Lagrange, J. L._, works and life of, notice of, xxx, 64; xxxi, 97. ---- formulæ for determining the motions of any systems of bodies about a state of equilibrium, correction of an error in, _H. J. A._, xi, 398.

Lakes, North American, origin of, _J. B. Gibson_, xxix, 208. ----, ---- ----, action of, _H. Schoolcraft_, xliv, 368;--drift sand deposits, 369. ----, ---- ----, raised beaches of, _C. Lyell_, xlvi, 314. ----, ---- ----, on the changes of level, _H. A. S. Dearborn_, xvi, 78.^f ----, ---- ----, dimensions of, xlvii, 21. ----, ---- ----, influence of, on climate, xlvii, 21. ----, ---- ----, remarks on the supposed tides of, _H. Whiting_, xx, 205. ----, ---- ----, tides in, _D. Ruggles_, xlv, 18. ----, bursting of, through mountains, iii, 252. ----, ancient, along the Connecticut valley, vii, 16.

Lake, Chautauque, height of, above the sea, xlv, 17. ---- Erie, coast of, xxix, 204. ---- ----, degradation on, xxxiv, 349. ----, on the eruption of Long and Mud Lake, Vt., _S. E. Dwight_, xi, 39.^f ---- of the Highlands, N. Y., v, 32. ---- Huron, account of, and of fossils about, iii, 254^f, 270^f, 271.^f ---- Ontario, beaches of, and height, xxxvi, 43. ---- ----, height of, above tide level, depth and temperature, xxxiii, 403. ---- ----, _C. Dewey_, xxxvii, 242. ---- of the Woods, position of, determined astronomically, by _J. L. Tiarks_, xv, 41.

_Lalande_, medals founded by, xxv, 190.

Lamp, aphlogistic, iv, 328.^f ----, ----, platina, xx, 385. ----, new astral, v, 386. ----, hydrostatic, xvii, 161. ----, a new, with inflammable air, _J. Green_, ii, 330.^f ----, new, without flame, i, 207. ----, monochromatic, of _D. Brewster_, vii, 363. ----, oil gas, xxii, 387. ----, portable gas, iii, 371. ----, Rumford, xix, 40. ----, voltaic, _J. Cutbush_, ii, 332. ---- black, analysis of, xi, 387. ---- glasses, to prevent the cracking of, xxi, 165.

Land and water, distribution of, xiv, 375.

Land surveys in the U. States, present mode of conducting, xix, 131.

Languages, _F. Adelung's_ work on, iii, 376. ----, number of, on the earth, x, 383. ---- of signs, observations on, _S. Akerly_, viii, 348.

Lanthanium, a new metal, xxxvii, 192. ----, atomic weight of, xlvii, 190.

_Lapham, D._, problems relating to canals, xxvii, 127.^f ----, plan of the canal locks at Cincinnati, Ohio, xxiv, 70.^f

_Lapham, D._ and _I. A._, observations on boulders in Ohio, xxii, 300.

_Lapham, I. A._, statement of elevations in Wisconsin, xlvi, 258. ----, notice of the Louisville and Shippingsport canal, and of the geology of its vicinity, xiv, 65.^f

_Laplace, P. S._, eulogy on, xxv, 1.

_Larkin's_ Geometry, ii, 359.

Latent heat of vapors, ii, 361.

_Laterrade, J. F._, on the unicorn, xxi, 123.

_Lathrop, J. H._, applications of the igneous theory of the earth, xxxviii, 68; xxxix, 90.

_Lathrop, S. P._, ice mountain in Vermont, xlvi, 331.

Latitudes, on determining, xlix, 232.

Latitude, reduction of, _T. J. Cram_, xxxi, 222. ---- of the Hudson (Ohio) observatory, xxxix, 362. ---- of Mt. Washington, xli, 384. ---- and longitude of Yale College observatory, xxxiv, 309.

Latrobite, analysis of, _Gmelin_, ix, 330.

Laudanum, denarcotized, mode of preparing, _R. Hare_, xii, 291.

Laumonite, in Delaware, ix, 246. ----, in New York, vi, 365; ix, 41. ----, in Nova Scotia, xxx, 345. ----, moving rocks in a lake in Salisbury, ix, 239.

_Lea, H. C._, description of eight new species of shells, xlii, 106.^f ----, new tertiary shells from Alabama, xl, 92.^f ----, examination of the peroxide of manganese, xlii, 81.

_Lea, I._, contributions to geology, noticed, xxv, 414. ----, causes and effects of earthquakes, ix, 209. ----, on hybernation, ix, 75. ----, impression in sandstone, v, 155.^f ----, on the Naiades, notice of, xvi, 378; xxii, 169; xxvii, 371; xxxv, 184; xlvii, 104. ----, on the northwest passage, x, 138. ----, New Grenada and Cuba, oolitic strata in, xl, 41. ----, Alabama tertiary and list of fossils, xxv, 417, 419. ----, on the Unionidæ, xxii, 170; xxvii, 371. ----, on the genus Unio, &c., notice of, xxxv, 184. ----, on the study of natural history, xi, 218. ----, a halo and parhelia, x, 368.^f

_Lea, M. C._, on the first or southern coal field of Pennsylvania, xl, 370.