_Mason, E. P._, micrometric measures of eclipse of the sun, Sept. 1838, xxxv, 174. ----, on some nebulæ, xl, 37. ----, obituary notice of, xl, 407; xliii, 381.
_Mason, O._, chemical examination of the bark of the white birch, xx, 282.
Masonite, description and analysis of, _C. T. Jackson_, xl, 186. ----, composition of, xlviii, 218.
Massachusetts, geology and mineralogy of a section of, with a part of New Hampshire and Vermont, including notices of rocks, soil, changes in the river, Indian relics at Deerfield, minerals, &c., _E. Hitchcock_, i, 105.^f ----, ibid of Connecticut valley, _E. Hitchcock_, vi, 1^f, 201^f; --granite, 2; granitic veins, 12; graphic granite, 16. ----, geology and mineralogy of Connecticut valley, _E. Hitchcock_, pseudomorphous granite, vi, 17; gneiss, 18; vii, 29; hornblende slate, vi, 20; mica slate, 22; talcose slate, 26; chlorite slate, 27; syenite, vi, 28; trap, 31, 44; argillite, 35; granular limestone, 37; sandstone, 39; fossil bones, 43; coal formations, 61; vii, 28; fossil fish, vi, 76; localities of various minerals, ores, &c. 201; vii, 30. ----, scenery of, and miscellaneous notices, _E. Hitchcock_, vii, 1; --Mount Holyoke, &c. 5, 9, 10; Bellows Falls, 12; Turner's Falls, 13; ancient lakes, 16; Sunderland cave, 19; Goshen graphic granite, 22^f; pseudomorphous granite, 22.^f ----, tabular arrangement of the rocks of, _E. Hitchcock_, vii, 24. ----, Report on the Geology of, _E. Hitchcock_, xxii, 1^f; --Economical Geology, giving an account of the soils from different rocks, &c., 1; useful rocks and minerals, 13; granite quarries, prices, &c., 14; gneiss quarries, &c., 18; quartz rock, 22; mica and talcose slate, 23; limestone, 24; marble, 28; serpentine, 29; steatite or soapstone, 31; slates, clays, peat, &c., 23, 38; buhrstone, 40; coal, 41; graphite, 46; mineral waters, 47; metals and their ores, 50. ----, ---- (second) on the Economical Geology of, including remarks on soils and modes of analysis adopted by _S. L. Dana_, xxxvi, 363. ----, ---- on the Geology of, noticed, xxiii, 389; xxvi, 213; xxxvi, 363; xli, 384. ----, Report on the water courses, terraces, ancient lakes, and the alluvial and rock formations of, _A. Smith_, xxii, 205.^f ----, geology and mineralogy of the vicinity of Williams College, Williamstown, including notices of the Taconic range, of granite, gneiss, quartz, granular limestone, and other rocks and minerals, _C. Dewey_, i, 337.^f ----, ---- and mineralogy of western, including a small part of the adjoining states, _C. Dewey_, viii, 1^f, 240; --granite, 4; gneiss, 5; mica slate, 6; trap and hornblende rocks, 9; syenite, 10; serpentine, 11; granular limestone, 13; quartz rock, 16; argillaceous slate, &c., 18; dip and course, 27; ores and minerals, 30, 243; alternations of mica slate and granular limestone, 15, 240. ----, geology of the vicinity of Lowell, xxvii, 340. ----, ---- Hampshire Co., with an account of the lead mines, _A. Nash_, xii, 238.^f ----, ---- Martha's Vineyard and the Elizabeth Islands, vii, 240^f; xlvi, 318. ----, granite veins and beds of Chester, _E. Emmons_, viii, 250.^f ----, coal in, _E. Hitchcock_, vi, 61; vii, 28; xxii, 41; xxxvi, 377. ----, ----, at Wrentham, xxiii, 405. ----, ----, at Mansfield, _C. T. Jackson_, xxxiv, 395. ----, ----, probable age of, _C. Lyell_, xlvii, 214. ----, footprints in sandstone of, see _Footprints_. ----, fossil fish of, _E. Hitchcock_, iii, 222, 365; vi, 76.^f ----, cave in Mount Toby, i, 111. ----, caves in Western, viii, 15. ----, mineral localities, _C. Dewey_, i, 337; viii, 1. ----, ---- ----, _E. Hitchcock_, i, 112; vi, 201; vii, 30; xiv, 215. ----, ---- ---- of Chesterfield and Goshen, _G. Gibbs_, i, 346. ----, ---- ---- of Charlestown quarries, _J. E. Teschemacher_, xxxviii, 194. ----, ---- ----, see farther under the names of the different minerals. ----, steatite or soapstone in, xxii, 31; xxvii, 341, (see _Steatite_.) ---- lead mines, vi, 204; ix, 166, 249; xii, 238^f; xxii, 56. ---- iron ores, v, 20; vi, 208, 209; x, 14; xxii, 50; xxxvi, 378. ----, tin in, xvi, 188; xxii, 62. ----, indications of gold in, xxii, 63. ----, graphite or plumbago in, vi, 248; viii, 54; x, 18; xviii, 377; xxii, 46. ----, ---- of Worcester, probable age of, _C. Lyell_, xlvii, 214. ----, statistical tables of, xxxiv, 213. ----, ---- ---- of Boston, xxxix, 395. ----, Indian relics, at Deerfield, i, 108. ----, Mount Holyoke, height of, i, 112. ----, latitude and longitude of Deerfield, i, 112. ----, Lebanon mineral spring, viii, 21.