ROG 
Rocks, removal of, by the Saxicava, 
xlii, 326. 
, excavated basins in, about a 
fall in the Green Mountains, Vt., 
vi, 252. 
, blasting of, see Blasting. 
Rocket, newly invented, v, 189. 
Rocking stone, of Durham, N. H., 
J. B. Moore, vi, 243.f 
of Hanover, N. H.,xxiv, 
185.f 
—— —— of Roxbury, Mass,, vii, 
59. 
—— inSavoy,Massachusetts, 
27. 
—— in Rhode Island, x, 9.f 
—— in Warwick, R. Island, 
vii, 201.£ 
—w— in Putnam Co., N. Y.,! 
v, 252.f 
——, raised by the Indians of) 
America, vii, 157. 
Rocksalt, see Salt. 
Rockwell, C. H., analysis of kyanite, | 
xlvi, 3883. 
, analysis of meteoric iron ‘of 
Otsego Co., N. Y., xlvi, 402. 
Rockwell, S., on spontaneous com- 
bustion, v, 201. 
Rocky Mountains, geological obser- 
vations on the northern termina- 
tion of, xvil, 2. 
——, geology and meteor- 
ology west of, A. Katon, xxv, 
351, 
1X, 
, ibid, remarks on, J. 
Ball, xxviii, 1. 
Rod, divining, iii, 102; xi, 201.f 
Rodentia, new species of, xxxi, 385. 
, see farther Zoology. 
Rodman, W. W., new localities of 
minerals, xxxv, 179, 180. 
Rodriguez, P. J., on comets, xvi, 
94, 
Roger, T., on the preservation of 
insects, xix, 213. 
Rogers, G. A., method of manufac- 
turing pot and pearl ashes, vili, 
304. 
Rogers, H. D., on tbe falls of Ni- 
agara, xxvii, 326.f 
220 
ROG 
Rogers, H. D., Geology of the Uni- 
ted States, notice of a memoir 
read before the British Associa- 
tion, xxviil, 74. 
, Opinion on age of graywacke, 
opposed, xxxv, 243. 
, Ibid, explanation concerning, 
B. Silliman, xxxv, 250. 
, on trap dikes in Pennsylva- 
nia, xli, 173. 
» —— ——, crescent form of, 
xlv, 334. 
, on diluvial action, xli, 175. 
, Pennsylvania coal formation, 
ied ae 
, dip of new red sandstone, 
due to oblique deposition, xliii, 
170. 
, dispersion of drift due to 
waves of translution from the 
north seas, xliti, 153. 
,on hydrated minerals, xlv, 
147. 
, on the ancient temperature of 
the globe, xlv, 147. 
, Address before the American 
Association of Geologists and 
Naturalists, including a review 
of American geology and some 
branches of general geological 
dynamics, xlvii, 187, 247. 
, characters of some recent 
earthquakes, as bearing upon the 
dynamics of geology, xlv, 341; 
xlvil, 274. 
» paroxysmal undulations of the 
earth’s crust, a cause of flexures 
of strata, xlv, 845, 346; xlvii, 
276. 
, constitution of the atmos- 
phere during the coal era, xlvii, 
105. 
, first Report on the Geology 
of Pennsylvania, noticed, xxxil, 
192. 
, second Report on Geology 
of Pennsylvania, noticed, xxxiv, 
188. 
——, third Report, ibid, xxxvii, 
380. 
——,, fifth Report, ibid, xli, 385. 
