35] 
OBITUARY— 
Genth, A vs ST, Gibbes, L. R., 
ix, 80. 
Hagen, H. A., vi, 484. Haushofer, 
K. von, ix, 248. Von Helmholtz, 
ae LL: EF. , viii, 304, Hilgard, J. lee 
i, 525. Hunt, PeSy; Tid 946, Hux- 
ley, Thomas Henry, i, 177, 
Johnstrup, F., ix, 168. Joy, C. A., 
ii, 78. 
Koksharov, N., v, 362. 
LeConte, John, i, 524. Leidy, Joseph, 
i, 523. Lovering, apadaLeliys 
Mackintosh, J. B., i, 444 Marshall, 
A. M., vii, 160. lever, L., von, ix, | 
, 1x, 430. ’ Mosely, | 
485. Moore, Gal 
BON,, iii, 80. 
Newberry, J. Derive 79 
eG... 1, 79 
Oliver, Je 
80. 
Norwood, 
, ix, 480. Owen, R., v, 
esionr, L., 1, 484. Pengelly, W., vii, 
- 484, Pouchet, G., vii, 484. 
Ramsay, Sir A. C. , iii, 168. 
reel. ix, 485. "Rex, G. A., 1X, 328, 
Riley, 0. V., 1, 3856,- 432 : von 
Roemer, F., iii, 168. Rust, W. Ps 
ili, 167. Rutherford, MS avs 82. 
Sansoni, W.,, ix, 430. ’ Saporta, Mar- 
quis de, ix, 328, Scacchi, A., vi, 
484. Seaton, Hy, vi, 526. Stelz- 
Redfield, 
mer, ix, 328. Stur, be. vii, 80. 
Szabo, J , vii, 484. 
Thomson, M., ix, 248. Topley, Wm., 
viii, 514. Tyndall, J., vii, 80. 
Van Beneden, le bae ane 160. Vilanova 
y Piera, J., vii, 160. Vogt, C., 
485. 
Watson, S., iii, 338, 441. White, F. B., 
ix, 248, Williams, Gaia: viii, 
174. Williams, re F., ii, 524. 
Winchell, A., i, 337. Wolf, R., vii, 
160. 
Observatories, list of, Lancaster, i, 76. 
Ocean, Indian, depth of 3000 fathoms 
in, i, 448 
Optic angle, estimation, Lane, iii, 79. 
indicatrix and the transmission 
of light in crystals, Fletcher, v, 255. 
Optics, recent progress, Stevens, l, 
277, 377. 
Ore Deposits of the U. S., Kemp, vi, 
481. 
Organ pipes, energy used in, Wead, 
ii; 
Organic dyes, optical relations of, 
Vogel, ii, 342. 
growth, laws of, Hyatt, vii, 157. 
Orr, H. B., Theory of Development 
and Heredity, vii, 158. 
VOLUMES XLI-L. 
549 
Orton, E., quartz bowlder in the 
Sharon coal of northwestern Ohio, 
iv, 62; Petroleum natural gas and 
asphalt rock of W. Kentucky, iv, 
Osborn, H. F., Mammalia in North 
America, vi, 379, 448, 
Oscillation and magnetization of iron, 
Klemencie, vii, 480, 
Osteology of Posbrotherium, Scott, 
iv, 428. 
Ostwald, W., solutions, iii, 335; 
Lehrbuch der allgemeinen Chemie, 
v, 522; Hand- und Hilfsbuch zur 
Ausfiihrung Physiko - chemischer 
Messungen, vi, 480. 
analytical chemistry, viii, 345. 
| Ostwald’s Klassiker der exakten Wis- 
senschaften, i, 258 ; ii, Helis ili, 166 ; 
v, 78, 168; vi, 160 ; x, 79. 
Gace Richard, Life eae ix, 247; 
Memorial, vi, 79. 
Owens, W. Gs anicteunite from Penn- 
sylvania, iii, ” 423, 
P 
| Packard, R. L., azure-blue pyroxenic 
iii, 279; varis- 
297 : copper in 
1, 268. 
rock, New Mexico, 
cite from Utah, vii, 
Western Idaho, 1, 298. 
Palzontologie, Zittel, i, 380; 
végétale, Zeiller, iv, 334, 
Paleontology, see Gronoey. 
elementary, Woods, vii, 79. 
4 Eene D Ay Delt tds, wave ‘length of 
the Ds; helium line, 1, 357. 
Panama geology, Douvillé, v, 74. 
Patterson, A. H., electrical oscilla- 
tions, increasing the frequency, vi 
309. 
Pax, F., Lehrbuch der Botanik, ix, 
75 
Pearce, S. H., polybasite and ten- 
nantite from Aspen, Col., iv, 15. 
Peckham, 8. F., petroleum in its rela- 
tions to asphaltic pavement, vii, 28 ; 
nitrogen content of California bitu- 
mens, Viii, 250; origin of bitumens, 
viii, 389 ; Pitch Lake of Trinidad, 
i 33. 
Peirce, B. O., thermo electrie prop- 
erties of platinoid and manganine, 
viii, 8302 ; thermal conductivities of 
marble and slate, 1, 435. 
Pierce, G. J., notes on Corticium 
Oakesii and Michenera Artocreas, 
i, 1638. 
Peloponnesus, geology of, Philippson, 
ii, 178; iv, 79 
