vi CONTENTS. 
d near Wheeling in Va. 166 
om ise ipeteen| on ms aR Fire, - - - - 302 
Notice of several Meteors - - - - 315 
Professor Dean on that of Mar ch, 1322, - - 322 
Dr. Darlington’s Plavicchatrival Obse rvations, 
Rey. aie rson’s account of the cure of Asthma by a stroke ee 
ighta 
Gal Sraai-Mowietic Apseresas of Prof. Dain with a  deeieg on pl. rn 330 
beh Sg of the poem Actynolite from Concord Townshi ips Delaw 
Ls Ay: 
Analysis of ra eet Crystalli zed Steatite by Profeman Dewey, 333 
agge tt, on the cutting of Steel by Soft Iron, 336 
ditor on t between the Deflagrator rand Calorim- 
otor, and the common Voltaic Rattonios, 3 ina Later to Profane a 
bert Hare, M. 
Editor on the fasion of Plambago.3 ina letter to Dr. ee 
Experues ee ig 2 n Diamond, Anthracite and sires ‘with the com- 
poun w Pipe, ina torte addressed to Peseneor ne rt Hare, M. . 
D. by ¢ Editor, 
P.S.— nthraci — 353 
Editor’s seine of the Flaoric acid of ag Lassa, and of * application 
to the secon, of A ngs with a dra f apparatus on pl. 10, - 334 
ELLI are AND *MISCELLANIES. 
. Domes Ic. 
Protest of Mr. I lation t f fluoric acid 
in the contac, w with Mr. Thomas.N nh reply, - - 168 
oe oe t Pipes, ee ivilanstrabeikie ATS 
American Andalusite. 7 Major Delafield, ae 176 
fae sa ‘Eaton’s notice of the Boletus cine Se - - 177 
Professor Hall’s sotien ae the Plumbago of Ticon ~~ 
Mr. Ebenezer Granger’s notice of a fluted rock oi os and 
Prof. 8 eating on the Cadmia of f Ancram, &c. Jour. Acad, Nat nasi Phil. 180 
Edito: 185 
crystallization of sulphuric ac 
an — of te agai hydrogen and oxygen 
Sase 
Vindication = Mr. Henry Seybert’s claim to the discovery of fluoric 
in the condrodit 
Abstract of the "Proceedings of Lyceum: of N atural History,N. ‘York, 3 
Efficacy of Prussic Acid in Asth 
Notice of Dr. Be ck’s Gazettee ‘i ‘ . . oe 
Ir. Comstock’s Dries of ‘Chemistry, - - - 369 
Mineral Caoutchouc. - - + = 270 
Hudson Marble~~Kendall’s Thermometers, - - - 371 
Salem manufacture ofalum, ~ “ & 372 
Geological Survey on the Grea - 373 
Expedition of Major Long and] Party to _ Rocks ky Mountains - 374 
1 Ney hg Wo rks, - 375 
Test for Platinum, - mh ne ace 
Amect ican eee al Soci ciety-—On, Animal - 377 
Editor’s additional — - the nem, Carhonaceou Bodies - 378 
New Journal—lIttro Cer, - 379 
I. 
Dr. Boué’s sry of Raepen Continental Geology,’ in a letter to Dr. 
J. W. Webster, 188 
Pro ‘s c waicstion frotn Mr. Miron Winslow, | on » them min- 
eralogy of the Island of Ceylon, 2 
Mermaid—Extract of a letter from Rateeia: - - - 195 
New edition of Mr. Parkes’ rudiments and essays, mack otf wees 
