INDEX TO VOLUME XLII. 
pitiiey reelinatam, a new plant, 34. 
dam * o Mr. Lea’s paper 
ene mee shells, "305 
, observations and experiments 
on light, 
Zassiz, gical gd of, 346. 
Monograph of the Echinoder- 
ae 
Agriculture, applications of chemistry 
187. 
Botany, Lindley s Elements of, 183. 
Boulder. 
‘othe spe. iat ey 358. 
ye, M. H., on perch ther, 63. 
Brathan, Sm ieatiees described by, 
Bre T. M., notice of Audubon’s 
_ bins of America, 130. 
~“R Association, proceedings of, 147, 
and geolog to, C. 
Alabaster in Kentuck , 206 
Imanac, America Cabinet, iy peebomation of fresh-water shells 
Analysis of bitaminous coal, 369 for, 3 
Aniuals, infasorial, Carbon, non-conversion of into silicon, 
Anthr th 
ele manufacture of irony hae acid, solidification of, 203. 
Antiquaries, No Northern, rae of, 214. Carboni acid ee St. spalle; removal Ss 
rabis paten: 
Arsenic, me disks legal remarks | upon, 7. Carburetted a ny * Sieh ihe laa 
oon wood, combustibility of, ke “iat chive Lonard ne ‘met ite of, 403. 
} ‘ eori 
pomical machine, the Te urium, \Che wn iat 49 ae ments on bichlorure of 
A > . T i su pho 
don s Birds of America noticed, ‘Coal, bituminous, analysis of, 369. 
s mines in 
B. 
mechs iq sketch of, 88. 
iley, J. W., on the Infusoria of the 
family Bacillaria 
na 
195. 
microscopic fangoey 
raceme et ope 196 
Barometric iim at Boston, Feb. 1 
ee 1842, 4 
Sea 
Bibliographical notices, ~~ 37. 
Bird ca, Audubo' s, 130. 
indemsae’ coal, I, analysie of 369. 
Blake, J. H ( 
Combustion apontindes; in wood ashes, 
165. 
Compass, dipping, manipulations of, 235. 
Con 
assets tubular, of iron and sand, 
opper rae th rg gies of, 322. 
nse Lane pyrifo 
G6-||Crustaceans, 
” eeuaiahon, process for, 395, 
03. 
eT R. ., on the level of the Rane 
sail S06. 
Daltonism, 162. 
Darling, ,on the hurricane of Septem- 
3 5, 243. 
ber 
Dead Sea v Acs 1 of, 214 
in Cuba, sa ghey 49g Je, A. P., biographical notice 
oal mines in Cuba, 388. i Of : 
Blast, hot, i in peat fe Ce of lead, 169. atin’. index to his Prodro- 
mu 8, 
Bon 6 lah | 
on the pitts reports of 
Dew ¥;,C; 
ine is el of Sani Yor 
ms = ine West, 200. 
“Teache 
Botany, Hooker's 
ihe 84, 377. 
Aba of, 185. 
e 
eer of 273. 
ippinig compass, fie 8 ge ae 235. 
Dolomitic rocks of yet, 
Dry rot, 197. 
