SS ee ee ee ee 
CONTENTS. vil 
XX XTIL.—On the Franklin County Meteoric Iron; and the 
presence of Cobalt and Lead in Meteoric Irons; by 
J. LAWRENCE SMITH, 331 
XX XIV.—-Remarks on the alkalies contained in the mineral 
Leucite; by J. LawrencE Smita, 335 
XXXV. -«Sezmination of a new and extraordinary Gas Well 
in the State of New York; by Henry Wurmz, ------- 336 
XXXVI.—On Flame Pemiperatites, in their relations to 
Composition and Luminosity; by B. Smuman and 
Henry Wortz. First Part, - 339 
XXXVIIL—On the Laurentian and Huronian Series in Nova 
Scotia and New Brunswick; by Henry Youre Hiyp,- 347 
XXXVIIL—Contributions to Chemistry from the Laboratory 
of the Lawrence Scientific School: No, X.—On certain 
Double Sulphates of the Cerium group; by C. H. Wiye, 356 
XXXIX.—On a new Aspirator; by Joun C. Draper,----- 364 
XL.—On two peculiar products in the Nickel Manufacture ; 
by JosepH WHaRTON, 365 
XLL—On the action of sunlight on Sulphurous Acid; by 
é O. Lorw, 368 
XLIL—On the formation of Ozone by rapid combustion; by 
O. Lorw. 369 
? 
XLIII.—Contributions to Zoology from the Museum of Yale 
College. No. 7.—Descriptions of New Corals; by A. 
E, VErrin 370 
XLIV. bee abe to Chemistry from the Laboratory of 
the Lawrence Scientific School. No. 11; by W. Grsns, 376 
V.—On a peculiar form of the Sachasge between the 
Poles of the Electrical Machine; by A. W. Wricut,-. 381 
XLVL—Movement of the Dome of the Capitol at Washing- 
ton, during the gale of December 10-12, 1869, 384 
SCIENTIFIC INTELLIGENCE. 
Sie aoa Gace, ste bb heehek cee tae 
oxygen, Troost and HAUTEFEUILLE: te et 
acids, 
trum ‘saliaias by Henk : : 
Mineralogy and as the aan EE Bitehoock, E. 2. 
oe the Blasmosaurus platyurus of Cope, Dr. J. ‘Lewy, 392.—Ore- : 
