45] 



VOLUMES XXI-XXX. 



541 



Rocks — 



of Newfoundland, Wadsworth, viii, 

 94. 



New Ham pshire, Albany granite, 

 Hawes, i, 21. 



New Jersey, foyaite, Emerson, iii, 



302; trap (doleryte) of, Hawes, ii, 230; 



diabase of Franklin furnace, Emerson, 



iii, 376 ; trap, columnar at Orange, 



Cook, xxx, 161. 



New York, Cortlandt, Dana, ii, 

 103, v, 478, viii, 384. 



N. America, Eastern, trap, ii, 

 230, iv, 345; v, 474. 



N. Carolina, dunyte, Julien,\ii, 72. 

 Northwest, paramorphic changes 

 to hornblende, Irving, vi, 27, 321, vii, 

 130, 149; viii, 464; Wadsworth, vi, 155. 

 Yellowstone Park,(obsidian, etc.), 

 Beam, v, 106, 352 ; fayalite, Iddings, 

 xxx, 58. 



Scottish Highlands, Geikie,ix, 10. 

 Japan, ix, 418. 

 Cape Verdes, Dozlter, v, 393. 

 nomenclature of, Jackson, iv, 1 13. 

 notation of, for diagrams and maps, 

 Dana, ix, 7. 



origin of, Hunt, viii, 72; Lehmann, 

 viii, 392; Dana, viii, 393 ; of granite of 

 Tuscany, Lotti, viii, 155. 

 decay of, Hunt, vi, 190. 

 decay of quartzyte, Derby, vii, 138 ; 

 Dana, viii, 448, ix, 57, xxx, 374. 



thermal conductivity of, iv, 154, 

 472. 



Lava, elastic limit of, Becker, xxx, 

 283. 



Serpentines, memoirs on, Hunt, vii, 

 489 ; Italian, origin of, vii, 492. 



use of solutions of high density in 

 study of, ii. 80; vi, 411. 

 Rockwood, O. G., meteorological notice, 

 i, 85. 



American earthquakes, i, 198; iii, 

 257; v, 353; vi, 155; vii, 358 ; viii, 

 242; ix, 425. 



notes on earthquakes, ii, 289. 

 Japanese seismology, ii, 468. 

 notice of Judd's Volcanoes, iii, 65. 

 the Ischian earthquake, iii, 337; vi, 

 473. 



earthquake in Middle and Eastern 

 States, viii, 242. 



on earthquake observations, ix, 79. 

 volcanic phenomena, ix, 80. 

 earthquakes in Spain, ix, 282. 

 Roemer, P., Lethsea Geologica, v, 4.78. 

 Rogers, W. B.. Reprint of Geological 

 Reports, ix, 414. 



Review of Geological Report of, 

 xxx, 357. 



Rolland, S., the northern Sahara, i, 157. 

 Rolleston, G., Scientific Papers and Ad- 

 dresses of, ix, 423. 

 Rontgen's Thermodynamics, i, 86. 

 Rood, 0. K, on very high vacua, ii, 90. 

 Rosin oil, metaisocymene in, iii, 238. 

 Roth, J., Allgemeine und chemische 



Geologie, vii, 493. 

 Rowland, H. A., Geissler thermometers, 

 i, 451. 



concave diffraction gratings, vi, 87. 

 American Association Address, vi, 

 325. 



Glazebrook's paper on concave grat- 

 ings, vi, 214. 

 Royal Society, medals of, i, 86. 

 of Canada, viii, 159. 

 of New South Wales, vi, 80 ; viii, 

 160. 

 Ruffner, Survey of Georgia, vi, 411. 

 Russell,*!. G, sulphur deposits, Utah, 

 v, 158. 



Lake Lahontan, vii, 67 ; viii, 401. 

 Geological Reconnoissance in South- 

 ern Oregon, xxx, 79. 

 Russell, T., calibration of thermometers, 



i, 373. 

 Rutley, F., strain connected with crystal- 

 lization, viii, 461. 



s 



Sablon, L. du, structure and dehiscence 



of anthers, xxx, 488. 

 Saccharin, i, 139. 



Sachs, J., Pflanzenphysiologie, vii, 322. 

 Sahara, the northern, i, 157. 

 Salt, optical properties of, Langley, xxx, 

 477. 



radiations of crystallized, v, 469. 

 solutions, mixture of, v, 379. 

 Samarium, atomic weight and compounds 



of, ix, 401. 

 Sandwich Islands, see Hawaii. 

 Saponin, vi, 239. 

 Saporta Algues Fossiles, v, 235. 



Les Organismes Problematiques des 

 des Anciennes Mers, xxx, 83. 

 Sardinia, Primordial trilobites of, iii, 65. 

 Sargent, C. S., Report on the Forests of 

 North America, ix, 264. 

 Woods of the United States, xxx, 82. 

 Satellites of Mars, ephemeris of, ii, 485. 

 Saturn, rings of, Holden, iii, 387. 

 Saxe-Coburg-Gotha, Travels of Princes 



of, vi, 247. 

 Schceberle, J. M., aurora of Sept. 12-13, 

 1881, ii, 341. 

 flexure of a telescope tube, iii, 374. 

 method for observing artificial tran- 

 sits, iv, 401. 



