463 
INDEX. 
pecific gravity, water at maximum de: 
Tested, id, We. e on the deviation of a falling a for taking, 427. ney 
body from a perpendicular, and ~ = Springs, Beer, cad thermal, Rocky Moun- 
cause of atmospheric — , with analysis of waters, a 450. 
tenbacher, J., commo n origin of. pret —_—, oy ascade range, alifornia, 200. 
acids, 254. a, oe neral, arsenic In, * 
Refraction of wav esa of sound, 1 ——, hot sulphur, i in Koordistan, 349. 
Retzius, on the e nological’ Seetrtbvidad of||——, saline, in Koordistan, 353. 
round and elongated crania, 138, S , E. G., mounds of the West, 237. 
Rive, de oueyyr E n, 11 
ar phenomena of the vol- 
arc 10. 
a ne neva ae detritus and delta of, C. 
— Nile e, remarks 0 on, C. cs Beke, 447. 
Rocky bgrcveoan origin 
— —,0 ations oe " geology height, 
ina) &c., J. C. Fremont, 192, 273) — 
— 
a Fremont, 193. 
—— —,, section of, J. C. Frem 
— O., solution ofa teathoinatical ‘problem, Thon 
Rose, metal in Tantalite, 357. 
Russia, fevinw of geology of, 153. 
——, cultivation of cereal grains in, 288. 
Ss. 
Salt ae 7 eee or Lake Tim- 
Koordistan, 353. 
> See cee ria, 432. 
Thomas j techutiien t to, 298. 
Sonicare on erratic blocks and elevations) 
> M. Desor, 313. 
— ptlinitive race of, 317. 
Eco on developing the magnetic con- 
serge coment analytical research- 
— , D., on slaty cleavage i in North Wales, ||——. 
Shells, Helix annulata and Planorbis multi- 
‘trad Mec ak ae ; 
tars of August, "1846, E. C. Her- 
—— of November, 1846, E. C. Herrick, 
Siberia, cultivation of cere 
ins in, 
Siberian Explorations by Milionint, 13 134, 
Ste Psy of coal of, Géppert, 119. 
iliman , B., Jr. First Principles of Chemis- 
= of, noticed, 14. Se eee 
> by hyd sn of — native, 407. 
5, Pon nted to a professorship in Yale, 
— 1 st. 
, remarks on, R. I. Mur- 
ann n, 404, 
Ine, timation of, when mercury is pres- 
Skulls, vertebrate structure of, R. Owen, 122. 
x) cleavage in North Wales, D. Sharpe, 
Soetsonian te, 132, 284, 
Natali at Trieste, 451. 
Ber tural History, contents of 
—, —, J. W. Abert, 301. —— 
ss ascent of Wind A chain, by J.||—— of deat 
St. Louis limestone, G. Engelman 
Stan n the variation of a differen- 
tial coeffic snk of a function of any number 
at feline 
ae icad Ss on ee of, by P. B. Sestini, 
Sutnies of i iron trade in Great Britain, 291. 
te glass making in England, 293. 
, in the severa profession 297. 
of nine s in Belgium, 293. 
hs among shildren Ds eet 
Steam Nav cae = os Pao 141. 
Strickland, H. £ f the wile analogy, 
homology and i toon he 
tructure, furrows dependent on, C. B. Ad- 
ams, 
‘Sugar, E. Peligot s method of estimating the 
quantity, 1 
—— of gelatine, fom eo acid, 257. 
A. Pe aan 
N. Hor. heed 
hot, in Koorisin, 347. 
Koordistan, 
—, 
Sulphur 9 ‘spring, 
Sun, planetary 
hace near, 444, 
——— new metals i 
oe electric, ties ree in U. States, 
, fact v. fancy, 449. 
Tertiary ry of ee a 
ee oom E., new mineral from the 
32. 
ce vegetation of America, 86. 
’ 
| ps 
Tobac co, acids of, ae pil, 423. 
Tracks, see Footprin 
aig dene of New —— origin of, J. D. 
na, 
ef cival, 390. 
Trautvetter. ; Plata yer a &c., of, 
noticed, 1 
Trieste, Soctes of iy gy 0 at, 451. 
Trilobites in Bes 
of Swedish ‘abu a salt water species, 
316. 
7 E., proposed work on Lichens, 
Parke, Koordistan, mines, springs, &c. of, 
U. 
United States yo survey, Report on, by 
A. D. Bache, n , 300, 
Ural mountains, eology © of, 158. 
sees 4 a new ore of, J. L. Le 
naeery. Calculi in the Transylvania Uni- 
versity museum, work on, by R. Peter, no- 
ticed, 299, 451. 
¥, 
Varia differential coefficient of a 
—, —— ——, Proceedings of, 455. 
of a 
heaton of any number of variables, A. D. 
Stanley, 415. 
