ATM 
Association of American geologists, 
publication of transactions of, 
xlv, 220. 
Asteroid, see Shooting star. 
Astronomy, state of, among the Za- 
bians, J. W. Draper, xxviii, 203.) 
——., on the resistance in space to 
motion of heavenly bodies, xvii, 
389. 
———, ibid., R. W. Haskins; xxxiii, 
1. 
, idea of ether in space, when 
introduced, xxxiil, |. 
, theory of Descartes, xxxiii, 3. 
Astronomical clock, Prof. Bessel, 
xliv, 160. 
, on the stopping of, by 
W. Howard, viii, 277. 
machine, for representing the 
motions of the earth and moon, 
E. C. Leedom, xiii, 338.f 
observatory, to be erected at 
Abo in Finland, iv, 386. 
observations on Saturn, Jupi- 
ter and his satellites, by Prof. 
Struve, xiii, 172. 
at the Cape of Good) 
Hope, Herschel’s, xxxv, 283. 
and observatory, at 
Rome, P. F. de Vico, xliv, 373. 
at the observatory of 
Pulkova, xlvii, 88. 
Atlantic steam navigation, J. Smith,| 
xxxv, 160. 
coast, gales of, see under 
Winds. 
Atlas, white race of, xxxii, 400. 
Atlee, W. L., on certain cavities in 
quartz, xxxv, 139.f 
Atmometer, a new, vi, 382. 
Atmosphere, analysis of, M. Brunn- 
er, xxiii, 280.f 
, composition of, xvii, 382. 
amemoir by Saussure, xvi, 214. 
, quantity of carbonic acid in, 
xx, 183. 
18 
, on the carbonic acid of, from! 
AT O 
Atmosphere, compression of, in a 
mine of Bovey coal, xvii, 38. 
, annual movement in, xlii, 158. 
, extent of, W. C. Redfield, 
xxv, 123. 
, height of, at the equator, J. 
P. Espy, xxxix, 120. 
, general view of, W. C. Red- 
field, xxxiil, 50; average velocity 
of wind near the surface of the 
ocean, 92; temperature of eleva- 
tion, 52. 
, effect of the rarefaction of, on 
its desiccation and refrigeration, 
xl,44; formation of clouds a con- 
sequence of, 44. 
, luminous appearance in, iv, 
341. 
, Prof, Lloyd on the clearness 
of, at times, xxxiv, 7. 
, deductions with regard to the 
moon’s influence on, xv, 174. 
» mercurial, ili, 886. 
, temperature of, see Meteorol- 
ogy and Temperature. 
, during the coal period, H. D. 
Rogers, xlvii, 105. 
——, of the planets, remarks on, 
xxv, 1838. 
Atmospheric air, on the dilatation of, 
V. Regnault, xliv, 63. 
—— pressure, see Barometer. 
—— tides, ix, 195. 
ust, by C. S. Rafinesque, 1, 
397 
Sate 
134 
currents, see winds. 
Atomic weights of bodies, Dr. Thom- 
son engaged in determining, ili, 
396. 
reply to C. S. Rafinesque, ii, 
, Turner’s opinions re- 
specting, xxviii, 70. 
, observations on, Prout’s 
hypothesis of, J. J. Berzelius, 
xlviil, 369. 
, not multiples of that of 
, carbonic acid in, W.H. Wat- 
son, Xxviil, 71. 
pressure!) of; -v, 17/45 =xxiv. 
174. 
hydrogen, xlvii, 187. 
of lead, sulphur, nitro- 
gen and carbon, Clark, xxxviii, 
119. 
