CONTENTS. 
Oe 
Art. I. General Remarks on the Temperature of the Terrestrial 
Globe and the Planetary Spaces; by Baron Fourier, » 
II. Account of an Excursion to Mount Ain eh in Maine ; 
by Prof. J. W. Baitey, - 
Il. Experiments on the Adhesion of Iron ‘Spikes oft various 
forms, when-driven inte different ae of visieaues 
oui by Prof. Wartrr R. Jounson, « - 
* IV. Remarks on the Natural order Cycadeax, stil a Dicaiies 
a tion of the ovula and seeds of & cas revoluta, Willd. ; 
by A. J. Downine, - - 
VY. On the Economical Uses of some species of C "Batons 
VI. Notes ona Tour in France, Italy, and Elba, with a notice 
of its Mines of Iron; by Prof. F. Haut, . 
VH. Notes on Chemistry, &c.; by Prof. J. W. Baitey, 
VIEL. A Visit to the Salt Works of Zipaquera, near pec 
in New Granada; by J. H. Gispon, M.D. - 
IX. Meteorological Journal, for the year 1836, kept at Mar 
etta, Ohio; by Dr. S. P. Hizpretn, - 
X. Remarks on some of the Gold Mines, and on ines of the 
Geld Region of Virginia, founded on personal obser- 
vations, made in the months of went and rn 
1836; by B. Strtrman, - a 
XI. Notice of some facts connected with she Gold of a pore . 
tion of North Carolina; by Franxuin L. Surru, Esq, 
XII. Notice of the Shad and Shad Fisheries of the River Dela- 
ware; by Samvuret Howe tt, M.D. - 
XIII. Formic Acid—remarks upon its utility, mei with a 
correction of Dobereiner’s process and views respecting 
the theory of its formation; by Prof. J. P. Emmez, 
XIV. On the Identity of the Torrelite of Thomson with Co- 
lumbite; by James D. Dana, A. M. - 
XV. On the Causes of the — or Water Spout; “4 Prof. 
R. Harz, M.D. 
XVI. Description of Edwardsite, a new Mineral ; ty Prof. 
Cuartes UpHam Sneparp, M.D. * ‘ 
XVII. Deseription of a new Trilobite; by Prof Jacox Gauss, 
ge 
