ALC 
Airpump, Patten’s, remarks in reply 
to J. F. Dana, ix, 92. 
, new, M. Thilorier, xxiv, 379. 
, a new construction, R. Hare, 
xxxiil, 237. 
, improved, J. Johnston, xxxiv, 
86.f 
receiver, improved, J. Bell, 
Xxvili, 353. 
Akerly, S., on the language of signs, 
vill, 348. 
Alabaster (gypsum) of the Mam- 
moth Cave, Ky., xlii, 206.f 
Alasmodonta and Unio, on the gen- 
era and species, D. H. Barnes, 
vi, 107f, 258.f 
, descriptions of some, xiv,289 ; 
xxv, 341. 
, see farther under Zoology, 
Mollusca. 
Albite, a distinct species from feld- 
spar, vil, 390. 
of Chesterfield, Massachu- 
setts, analysis of, xxx, 381. 
Albumen, precipitated by phosphor- 
ic acid, xvi, 396. 
, solubility of, A. Wurtz, xlviii, 
184. 
Alcohol, density in different states, 
xvi, 388. 
, on the colored flame of, xvi, 
390. 
, observations on, by A. Eaton, 
xvi, 173. 
, detection of adulterated, xix, 
71. 
, rectification of, 11, 358. 
, rectified without heat, x, 378. 
» proportion of, in wines and 
various fermented liquors, L. C. 
Beck, xxviii, 48. 
, combination with oil of tur- 
pentine, vill, 390. 
, action of, on alkalies, xl, 216. 
, action of chloride of lime on, 
xxili, 134. 
, action of sulphuric acid on, 
Xvi, 267. 
mixed with water, changes in 
the volume of, xxiv, 373. 
in bread, xxiii, 194. 
8 
AT 
Alcohol not in bread, xxvi, 211. 
Alcyonium, in green sand, Mary- 
land, xvii, 288. 
Alden, T., account of descents in 
a diving bell at Portsmouth, N. 
PE xsi 25: 
Alder, J., notice of, xxxvii, 168. 
Aldini, on the preservation of fire- 
men from the action of flame, 
by asbestus clothand other means, 
xx, 96.f 
Aldridge, on vegetable impregna- 
tion, xli, 62. 
Alembic for distilling amalgam of 
gold, M. F. Maury, xxxii, 66. 
Alexander, J. H., new form of ba- 
rometer, xlv, 233.f 
Algebraic series, J. Wallace, vii, 
278. 
, remarks on, viii, 131. 
» reply by J. Wallace, 
1X, 
, reply to J. Wallace, 
x029a. 
solutions, by C. Wilder, xvi, 
271. 
Alger, F., Beaumontite and Lin- 
colnite identical with Heulandite, 
xlvi, 233.f 
, mineralogy of Nova Scotia, 
xil, 227; xiv, 305; xv, 132, 201. 
, minerals of New Holland, 
xxxix;, 157.f 
, zine mines of Franklin, New 
Jersey, xlvili, 252. 
, mineralogy of, reviewed,xlvil, 
333. 
Alkalies, bases of, discovered, by 
Davy, xvii, 228. 
Alkanet, a substitute for litmus or 
turmeric, R. Hare, v, 348. 
Allan, J., on coins and medals, with 
a notice of the New Haven med- 
al, xxxvil, 285. 
Allanite, analysis of, xxvill, 394. 
——, of Monroe, N. Y., analysis 
of, xlvi, 37. 
, in New York, xl, 76. @ 
Allen, J. A., supposed traces of a 
voleano about West River Moun- 
tain, Vermont, ili, 73. 
