418 
Economical geology of Massachusetts, 
by Prof. Hitchcock, 1. 
Editor on injury 0 of Dr. Hare by fulmina- 
Electricity, currents and sparks of, from 
magne y Prof. Henry 403. 
sference of ponderable 
— tra 
bodies by, 355. 
Blacteawaguaths experiments, by Prof. 
Bach 
, odor iferous, 368 
dia uveriews: Vol. IX, 189. 
Encyclope 
S. Guthrie on, 105. 
Ether, chloric, 
Seana eeenae ayes on, 163. 
uric. i manufacture of, 199. 
Evergreens as screens, H. G. Spafford on, 
Expansion contraction of building 
stones, Me eine on, 136. 
F. 
Feeding of cattle, 202. 
Fermenta' = — 195. 
Ferns, East India, 191. 
Fertilization of sulphate of lime, 350, 
uchtwanger, Dr., cabinet of minerals 
for sale, 180. 
plant Guaco, 182. 
Field, M., nai observations, 
= Fayetteville Ve, Sabre 
le: 2 
"show on 3 
Forces, aaa Prot _p One on, 132, 342. 
French premiums, 
— inating ares, au of Dr. Hare by, 
G. 
Gelatins, pions, 2 197. 
- Borsa 
Gedlogica ee ton, 391. 
Oo rol Hite of Massachuset, Laet on, 
iluvium, BS tertia- 
red san d- 
flinty slate and gra 
ore, 10; varieties of i a 50; ste- 
atite or so 
se and 
INDEX. 
granite, varieties te 13 to 17; 
porcelain and potter tie, 36; 
lum clay, 37; marl and peat, 
Tee mines, a copper, 60; zine 
= a » 61; tin , 62; sil- 
d gol “63. 
iamaisigy “of ‘Nowe Scotts by Messrs. Jack- 
son and Alger, 167. 
Gneiss, 12, 18. 
Goitre, cause of, 355. 
Gold, 63. 
idle seare! 66. 
— purple precipliate — 
Gould, D. ra ate expre nee oF sines, 
tan. and secants, 392. 
Granite, veluaien me 13 to 17. 
Graphite, 
Graywacke, 33. 
Grease “of wines, 192. 
Greenstone, 12, 20. 
dyke of, 189. 
ant, Dr. Feutchwanger on, 182. 
—— capella 50. 
un powder. , inflammation of, under wa- 
eae, 
Gu thrie, s., on chloric ether, 105. 
H. 
Hamilton 2 Bes aye on 182. 
Har o Dr., injury of, by falminating sil- 
ve 185. 
process for silicon and boron, 
189. 
Hassler’s logarithmic tables, correction of, 
181. 
Bay be Seg es wings 363. 
of 
ing, 38 
new ed a und of 
, 141. 
183. 
——_———— on chlor er, 
Heat from eink of bored wells, 373. 
——. influence of, on me, phe 361. 
matag of water. 
Henry, Dr. W., on disin ners powets 
of therease Be 
_—_—_— on currents as ints of 
electileity from magnetism 
———— rbance of the earth’s 
magnetism and aurora borealis, 143. 
Hessian fly, 
Hildreth’s, Dr, ae ocisratter BESS observa- 
tions at Marietta, 109. 
\Historical and philosophical society of 
io, 
Hitchcock, Prof. E. ag ee on the geolo- 
ogy of Massachuse 
Human race, stature vei on 
slate, 
noone slate, ts —_— ide. — 
5 aes sla 
and ome ae ‘greenstone, 12 "204 
ae > 20, 21 
stature, law of increase in, 376. 
Hydraulic volcano, 358. 
Hydrogen, combustion of, under pressure, 
