: 
402 INDEX. 
Boué, Dr. his notices of Earopean Geology, 188 
— egr of Philosophy and the Arts, 379 
Brace, J. P. Mr. his notice of minerals, 250 
Brewster, Dr. = memoirs, notice of, 400 
Brick 1 making, 39 
¢. 
admi ath on, 180 
Silcareodt Spar, 211 
maleoiiny 216 
a 
i © 
C 
C 
( 
( 
{ 
{ 
Caoutchouc, mineral, 370 
Carbonaceous bodies, erp notice of, 379 
( 688 marsha of, 1 
Chabasie, 224 
Chain bihige over the ee ‘te 
Chronometer, cosmogoni 
Cleaveland, Prof. his nr of edi eB, 162 
Coal form matio n, 61 
Cobalt, arsenical, mine of 209, 235 
Cc a 4 23, 
( 
Cc. 
Cc 
Co 
‘olumbium, 236 
Sonic Sections, de monstration ofa problem 
Amer 
Ceneactions River, mineralogy and geology of the regions on, 1. 
201 
Conservatory of Arts and Trades, 388 
Cooking apparatus, 399 
C 
en, 390 
Copper, mines and veins 
Corundum, 
Crystallization of Sulphuric Acid, 18 
Cutbush, James, Dr. on the formation of Cyanogen, 149 
, on the properties and formation of the Greek Fire, 
Cyanite, 219 
D. 
Daggett, Herman, Rey. his letter on the cutting of steel, by soft 
iron, 336 
omstock, Dr. notice of his Grammar of Raggett 369° 
a nica on the probable changes in the Gedsey of North- 
of, 2 
‘ ee green precio and red oxide of, 206 
219 
a 
* 
ices... 
