33] 



VOLUMES XXI-XXX. 



529 



Lotti, B., origin of Tuscan granite, viii, 



155. 

 origin of Italian serpentine, vii, 492. 

 Louisiana, native mercury in, Wilkinson, 



ix, 280. 

 Lubbock, J., presidential address, ii, 268, 



343. 

 Lunge, G., manufacture of sulphuric 



acid, i, 75, 144. 



distillation of coal-tar, v, 151. 

 Lupton, N. T., meteoric iron from Coa- 



huila, Mexico, ix, 232. 

 Lyman, B. S., Pennsylvania survey of 



the anthracite field, v, 387. 

 Lyman, T., "Blake" Ophiuroidea, vi, 159. 



M 



Mabery, G. F., chemical contributions, 

 vi, 142. 



the electrical furnace, xxx, 308. 

 Macfarlane, J., Geological Railway Guide, 



viii, 471 ; xxx, 244. 

 Mackintosh, J. B., on herderite, vh, 135; 

 viii, 401. 



titanic iron sand, Brazil, ix, 342. 

 Macoun's Catalogue of Canadian Plants, 



ix, 265. 

 Madan, H. G., Tables of Qualitative 



Analysis, iii, 80, 150. 

 Magie, W. F, shadows obtained during 



. the glow discharge, i, 394. 

 Magnesium, platinized, as a reducing 



agent, vi, 66. 

 Magnetic action, effect of, on an electric 

 current, Hall, ix, 117. 



declination, and sun-spots, i, 238. 

 in Missouri, i, 241. 

 in United States, vii, 245. 

 field, effect of, on light, ix, 167. 

 force, measurement of, viii, 223 ; ix, 

 404. 



observations, arctic, ii, 49, 164 ; ix, 

 50. 



polarity and neutrality, viii, 309. 

 pole, electrostatic dimensions of, iv, 

 144. 



storms, v, 308. 



survey of Canada, vii, 320. 



of Missouri, Nipher, i, 310. 

 Magnetism as affected by hardening, iii, 

 414 ; iv, 180 ; vi, 320. 



effect of cold on, Trowbridge, i, 316. 



of steel and nickel, v, 309 ; xxx, 218. 



works on, see Electrical Works. 



Magnetization, changes in length of iron 



rods, produced by, xxx, 315. 



heat produced by reversals of, vii, 

 58, 238; viii, 225. 



maximum of, iii, 413. 

 of iron and steel, ii, 398. 



Maine, geology of Frenchman's Bay, iii, 64 . 

 glacial drift on Mt. Ktaadn, ii, 229. 

 erosion in, iii, 242. 

 scratches in, Stone, xxx, 146. 

 kame rivers of, vi, 328 ; viii, 152. 

 kames of, ii, 487. 



Minerals of: allanite, vii, 412 ; anda- 

 lusite, vii, 305 ; chrysoberyl, ix, 263 ; 

 herderite, vii, 73, 135, 229, viii, 401 ; 

 topaz, etc., of Stoneham, v, 161, vii, 

 212, ix, 378 ; tourmaline of Auburn, 

 vii, 154, 303. 



Silurian fossils in, ii, 434. 

 Mallet, J. W., atomic weight of aluminum, 

 i, 321. 



sipylite, ii, 52. 



Texas meteoric iron, viii, 285. 

 Report on potable water, ix, 490. 

 Man, antiquity of, Dawkins, iv, 314. 

 British types of, iv, 317. 

 Prehistoric, Daivson, viii, 158. 

 see under Geology and Zoology. 

 Manitoba, lignitic plants of, ii, 233. 

 Marble border of Western New England, 



noticed, xxx, 402. 

 Marcou, J., Taconic rocks, ii, 321. 

 Mark, E. L., on development of Limax 



campestris, ii, 494. 

 Marks, W. D., Proportions of the Steam 



Engine, vii, 321. 

 Mars, ephemeris of satellites of, ii, 485. 



figure of, i, 162. 

 Marsh gas, preparation of. viii, 148. 

 Marsh, 0. C, American Jurassic Dino- 

 saurs, i, 167, 417. 

 Cceluria, i, 339. 

 Laopteryx, i, 341. 



American Pterodactyls, i, 342 ; iii, 

 251 ; vii, 423. 



Jurassic mammals, i, 511. 

 restoration of Dinoceras, ii, 31. 

 Jurassic birds and their allies, ii, 337. 

 classification of the Dinosauria, i, 

 423; iii, 81; vi, 85; vii, 167, 337. 

 wings of Pterodactyles, iii, 251. 

 restoration of Brontosaurus, vi, 81. 

 supposed human foot-prints, vi, 139. 

 the Diplodocidas, vii, 161. 

 the order Theropoda, vii, 329. 

 new order of Jurassic reptiles, vii, 

 341. 

 metatarsal of Ceratosaurus, viii, 161. 

 names of extinct reptiles, ix, 169. 

 Odoutornithes of, noticed, i, 255. 

 Dinocerata, noticed, ix, 169, 173. 

 Martin, H. N., Handbook of Vertebrate 



Dissection, v, 481 ; viii, 77. 

 Martius, E. v., Conchologische Mittheil- 



ungen, iii, 422. 

 Mascart, .E., Electricity and Magnetism, 

 vi, 80. 148. 



