Goin 
Clark, S., on the infinite divisibil- 
ity of a finite quantity of matter, 
ix, 356. 
, notice of, xli, 217.f 
Clarke, E. M., magnetic electri- 
cal rotating machines by, xxxiil, 
2137f 
, electrepeter by, xxxiii, 224.f 
Clary, R.E., parhelia seen at Green 
Bay, xxviii, 304.f 
Classification, chemical, remarks 
on, O. W. Gibbs, xlix, 384. 
> —, R. Hare, xxvii, 63; 
xxxil, 260. 
, mineral, remarks on, J. D. 
Dana, x\vi, 374. 
of clouds, E. Loomis, 
325. 
Clay of Pownal, Vt., xii, 298. 
» pipe, in New Jersey, ii, 198. 
, potter’s, in Massachusetts, 
i, 344. 
for sculptors, xxiv, 200. 
Cleaveland’s Mineralogy, review of, 
i, 85, 308. 
, second edition announ- 
ced, il, 375. 
Cleavelandite, (Kieselspath,) a va- 
riety of albite, vil, 370, 390. 
xli, 
Clemson, T. G., analysis of a titanic | 
iron ore from near Baltimore, 
xvii, 42. 
, analysis of American spathic. 
iron and bronzite, xxiv, 170. 
, hotice of piperin, xviii, 352. | 
acid, xx, 347.f 
» physical geography, indus- 
try, &e. of the Hartz, xix, 105.f 
Climate, connection with atmos- 
pheric and oceanic currents, W. 
C. Redfield, xxv, 133. 
, liable to change permanently 
or not, S. Forry, xlvii, 226. 
, effect of clearing land on,| 
S. Forry, xlvii, 237. 
, effect of, on distribution of, 
plants in the United States, S. 
Forry, xlvi, 221. 
50 
, method of making sulphuric) 
, ona change of, Bishop He- 
der, xx, 180. 
cLo 
Climate of the earth, Lye/l’s views 
on thechanges undergone,xx,377. 
, antediluvian, L. C. Beck, xlv, 
144. 
of the post pleiocene period 
in the U. States, H. D. Rogers, 
xlvil, 257. 
ibid, A. Binney, xlvii, 259. 
of North America, E. Mitch- 
ell, xix, 288. 
of North America, Daubeny 
on, xxxv, 288. 
of U. States, remarks on the 
amelioration of, by D. Thomas, 
xix, 361. 
of the U. States, S. Forry, 
xlvii, 18,f 221. 
west of Alleganies milder than 
east, S. Forry, xlvii, 230. 
of Florida, xxxv, 63. 
of the Kenawha valley, S. P. 
Hildreth, xxix, 89. 
of Ohio, xi, 224, 231. 
and productions of Washing- 
ton Co., Ohio, S. P. Hildreth, 
xii, 206. 
of Columbia, South America, 
with general meteorological ob- 
servations, R. Wright, xxxvil, 1. 
, effect on human life, 
Xxxvil, 12. 
— of the south of France, v, 173. 
of Palestine, xxxi, 188. 
, productions, &c., of Sing- 
apore, xliv, 151. 
of the province of Deccan, 
Bombay, xxxill, 275. 
,see farther under Meteorol- 
ogy. 
Clinkstone, remarks on the compo- 
sition of, xix, 380. 
Clock, an improved, xiii, 182. 
affected by the state of the at- 
mosphere, xiv, 375. 
, astronomical, Prof. Bessel, 
xliv, 160. 
: , on the stopping of, W. 
Howard, viii, 277. 
| , see Chronometer. 
Cloth of amianthus or asbestus, xvili, 
401. 
