552 GENERAL INDEX. [38 
Q 
Quatrefages, A. de, les Emules de 
Darwin, vii, 159. 
Quincke, magnetic and electrical in- 
struments, v, 254. 
R 
Radiation, absorption by alum, Hutch- 
ins, iii, 526. 
of atmospheric air, Hutchins, iii, 
307; Abbe, iii, 364. 
between 15° C. and 100° C., dis- 
cussion of formule for, Stevens, iv, 
431, 
of gases, Pringsheim, iii, 4383; 
Paschen, vii, 77. 
Rafinesque, Life of, ix, 247. 
Ramsay, W., System of inorganic 
chemistry, ii, 510; on argon, ix, 
279 ; argon and helium, 1, 264. 
Ramsay’ s physical geology and geogra- 
phy of Great Britain, Woodward, 
viii, 430. 
Rand, E. L., flora of Mt. Desert, Me., 
viii, 431. 
Raps, apparatus for Ampére’s laws, 
vii, 479. 
Rath, G. vom, Index of mineralog- 
ical papers, vi, 482. 
Rayleigh, Lord, on argon, ix, 275. 
Reade, T. M., compressive stress in 
rocks and recent rock flexures, i, 
409. 
Redfield, J. H., flora of Mt. Desert, 
Me., viii, 481, 
Reese, C. L., phosphate nodules of 
South Carolina, iii, 402. 
Refraction of light on snow, Whitney, 
v, 3889; of liquids, index of, Ruoss, 
v, 434. 
Refractive index for critical tempera- 
tures, Chappuis, ix, 57; of air, vi, 
478 ; of nitrogen, vi, 478; oxygen, 
. vi, 893; of water, Brihl, i, 428. 
in relation to chemical reactions, 
vi, 68. 
Reid, H. F., Glacier Bay, Alaska, vi, 
305. 
Reiset, M., amount of water in the 
soil after a severe drought, vi, 157. 
Resonance, multiple, Bjerknes, ix, 231. 
Retgers, conversion of yellow to red 
phosphorus, vii, 475. 
Reyer, E., experiments in physical 
geology, v, 164; Geologische ex- 
perimente, 1, 74. 
Reynolds, W. G., reduction of the 
acids of selenium by hydriodic 
acid, 1, 254. 
Richter, K., index of European plants, 
i, 163 
Richter, V. von, Chemistry of carbon 
compounds, ii, 509. 
Ridley, H. N., raised reefs of Fer- 
nando de Noronha, i, 406, 
Ries, H., artificial crystals of zine 
oxide, viii, 256. 
Riggs, R. B., separation of iron, man- 
ganese and calcium, iii, 135; sepa- 
ration of magnesium chloride from 
the chlorides of sodium and potas- 
sium, iv, 103; separation of chro- 
mium from iron and aluminium, 
viii, 409. 
Ring magnets, for intense fields, 
Dubois, vii, 401. 
Roberts, 0. F., reduction of nitric 
acid by ferrous salts, vi, 126 ; esti- 
mation of chlorates and nitrates, vi, 
231; action of reducing agents on 
iodic acid, vii, 422, viii, 151; 
potassium permanganate in iron 
analysis, viii, 290. 
Robinson, B. L., contributions from 
the Gray Herbarium of Harvard 
Univ., 1, 135. 
Rock conductivity for heat, Kelvin 
and Murray, 1, 419; Peirce and 
Willson, 1, 485. 
cutter and trimmer, Kidwell, ix, 
417. 
specimens, directions for collect- 
ing, 1, 349. 
Rock-cutting and grinding machine, 
Williams, v, 102. 
Rocks, study of, Fletcher, 1, 426. 
Rocks— 
Actinolite-magnetite schists from 
Minnesota, Bayley, vi, 176. 
Aeginaand Methana, petrographical 
sketch, Washington, 1, 74. 
Alnoite containing melilite from 
Canada, Adams, iii, 269; from 
Manheim, N. Y., Smyth, vi, 104. 
Andesites, etc., of Ecuador, Below- 
sky, v, 79. 
Aplite, Conanicut Island, R. I., vi, 
O74, 
Basalt and trachyte from Gough’s 
Island, S. A., Pirsson, v, 380. 
Basalts of Kula, Washington, vii, 
114. 
Basic dike near Hamburg, N. J., 
Kemp, v, 298. 
Complementary and radial dikes, 
Pirsson, 1, 116. 
Composite dikes of Arran, Judd, 1, 
270. 
Crystalline schists, Teall, vi, 480. 
Diabase of N. Jersey, contact phe- 
nomena, Andree and Osann, iv, 
500. 
a 
