STR 
Stromeyer, analyses of several min- 
erals, vil, 368. 
Stromnite, new mineral species, 1i, 
177. 
Strong, T., a new method of ob- 
taining the formule of the sines 
and cosines of the sum and dif- 
ference of two ares, i, 424.f 
, solutions of diophantine prob- 
lems, i, 426; xxxi, 156. 
, mathematical problems, ii, 
54f, 266.£ 
, demonstration of the binom- 
ial theorem, xu, 132. 
, solution of problems in flux- 
ions, xvi, 288; xvii, 69, 329; 
xvill, 67. 
, on capillary attraction, see 
70. 
, on central forces, xix, 46; 
xx, 65, 291; xxi, 66, 334; suis 
132, 342. 
, motion of asystem of bodies, 
“xxiv, 40; xxv, 2813; xxvi, 44. 
——-, on the parallelogram of for- 
ces, xxvi, 304; xxix, 345. 
, composition and resolution of 
forces and statical equilibrium, 
xxvill, 85. 
; theory of the variations of the 
arbitrary constants in elliptic mo- 
tion, xxx, 248. 
, integration of one kind of dif- 
ferential equations of the second 
order, xlii, 273. 
, on the principles of virtual 
velocities, xlii, 66; xliii, '7'7.f 
, on the first principles of the 
differential calculus, together with 
a new investigation of ‘Taylor’s 
theorem, xlv, 269. 
, new way of obtaining expo- 
nential and logarithmic theorems, 
xlviil, 36. 
Strontia distinguished from baryta 
254 
Sere 
Strontia, sulphate of, (celestine) 
Lake Erie, ii, 241; iii; 368; iv, 
279, 324. 
——, ——, analysisof, G.T. Bow- 
en, iv, 324. : 
> Senate Vil, 
369. 
—, , of Presq’ile, Ohio, vii, 
46. 
—, ——, Detroit river, v; 40. 
——, ——, in Canada, viil, 72. 
y —, ——, FH. Baddely, 
xviil, 104. 
, in Sicily, viii, 205. 
Strontianite in the United States, 
EE. Emmons, xxvii, 182. 
5 notices of, xxvil, 363 ; 
xxviii, 174. 
, examination of, C. U. Shep- 
ard, xxvii, 183, 363. 
: from Freyberg,and Scotland, 
vii, 369. 
, analysis by Stromeyer,vii,369. 
, in Sicily, viii, 205. 
Strontium, mode of obtaining from 
a chlorid of, R. Hare, xxxvii, 
267; xxxvill, 115; xxxix, 362; 
x1, 296.f 
Structure of rocks, a result of ele- 
vation, W. Hopkins, xxxi, 365. 
——, schistose often a result 
of crystallization, J. D. Dana, 
xlv, 105. 
Struder, B., on erratic blocks, 
XXXVi, 325. 
Stuart, J., localities of minerals, vi, 
249. 
Stuart, M., exposition of the first 
chapter of Genesis, review of, 
xxx, 114. 
Stucco for walls, xxiv, 206. 
Sturgeon, spoonbill, of the Ohio, 
notice of, xii, 201.f 
Sturgeon, W., miscellaneous notices 
of remarkable results, in heating 
by means of chromate of potash, 
J. LL. Smith, xxxvi, 183. 
, on the red color of the flame 
from, F. H. Baddely, xviii, 261. 
, test for, iv, 372. 
, action of, on animals, xiii, 178. 
and decomposing by galvanism, 
xxxix, 28.f 
, annals of electricity by, no- 
ticed, xxxil, 213. 
, remarks on galvanic batter- 
ies, XXxix, 3D. 
