OCE 
Ocean, depth of, not determined 
from the echo, xxxviil, 160. 
, temperature in different parts, 
v, 129; xxv, 130. 
5 and saltness of, at dif- 
ferent depths, xxii, 10. 
at great depths, xvii, 
>) 
2958 
: ibid, Foster’s observa- 
_tions, xvii, 299. 
: ibid, Irving’s observa- 
tions, xvil, 299. 
; ibid, Scoresby and Bu- 
chan, xlv, 139, 140. 
—, . between New York 
and Rio, 1834, xxix, 237. 
, saltness of, H. Humphreys, 
xlix, 208. 
, remarks on, v, 131. 
, at different depths, 
2 
xxiii, 10. 
, pressure of, at great depths, 
xiv, 194. 
, deep soundings in, by the 
French ship Venus, xl, 407. 
, phosphorescence of, v, 133; 
xvii, 209 ; xviii, 166, 187 ; xxxvi, 
208. 
, supposed effects of, on the 
features of western New York, 
during its elevation, xxxv, 86. 
, see Sea water. 
Oceanic currents, v, 132. 
, of the Atlantic, iv, 390. 
, of the Gulf Stream, v, 
133, 353. 
—— ——, general remarks on, 
W. C. Redfield, xxv, 130 ;—cir- 
- cuit currents of the Atlantic and 
Pacific, 130,131; cold polar cur- 
rents flowing beneath the tropical, 
and-carrying icebergs into the 
Gulf Stream, 131; their influ- 
ence on climate, 133. 
, tidal, course of, in the 
Atlantic, W. C. Redfield, xxviii, 
313. 
, Gulf Stream, relation 
of, to an opposite current on the 
North American coast, W. C. 
Redfield, xxxii, 849. 
186 
OER 
Oceanic currents, Gulf Stream, ice- 
bergs carried into, by the deeper 
polar current, W. C. Redfield, 
Xxxll, 3091, 352 ;—lower tem- 
perature on shoals and shores 
due to the submarine current, 
303. 
, prevailing, and obser- 
vations on tides, W. C. Redfield, 
xlv, 293. 
, on ancient polar, W.C. 
Redfield, xiii, 152. 
, effects of polar, W. C. 
Redfield, x\v, 320. 
, of the north Atlantic 
and the drift ice, with a map, 
W. C. Redfield, xlviil, 373. 
, Gulf Stream, existence 
of, determined by B. Franklin, 
xvii, 162. 
—, » remarks 
on, M. F. Maury, x\vii, 161 ;— 
warmth of, 162; course, color, 
164; relation of amount of wa- 
ters to waters of Mississippi, 165; 
causes of, 165; evidence from 
bottles thrown overboard, 167; 
temperature of, 175; cold north- 
ern currents, 177; Japan cur- 
rents, 181. 
, tidal, see farther under 
Tides. 
Ochres, in Connecticut, v, 36. 
, in Vermont, iil, 583 -iv, 
43. 
Odessa, notice of, vi, 386. 
Odontograph, xxxv, 319. 
Odors affected by electricity, xv, 
394, 
Odor, like Benzoin, from a man’s 
arm, xxil, 368. 
-—— of wines due to cenanthic 
ether, xxxil, 381. 
(Enanthic ether, xxxil, 381. 
acid, xxxil, 382. 
Girsted, H. C., on water-spouts, 
xxxvii, 250.f 
, on tornadoes, xxxviil, 82. 
, allusion to discoveries 
electro-magnetism, v, 388. 
Oerstedite, xxx, 179. 
in 
