iv CONTENTS. 
Mineralogy and Geology. a a and Zircon, from Litchfield, 
Maine, by Dr. C. 'T. Jackson, 119.—Iberite, a_new mineral’ from Montalvan, 
* of Toledo, cain, ye E.C. Nea : Damourite, a new mineral, by M. | 
EL Diaspore : Native’ Lead : Crystallization of Sulphuret of Cadmium 
and Perowskite by M. Descrotseaux, 120.—Baryto-calcite, by . Descror- 
seaux and Dumas: Fluids an Crystals in Topaz, by Sir Davin Brewster 
y Hancoc e Animal of th = Sle, y J. E. Gray: 
Adaptation of the Eye to "Distinat Vision at Different Distances, by Prof. Forses, 
131. 
Botany.—Number of Known Plants as given by Different Authors since Theo- 
i esther with the supposed Total, by R. B. Hinps: Potato disease, 
General Physics —Temperature of the Mediterranean, by M, Amr, 133.—Boiling _ 
int 4 Vater at different heights, by M. V. Reenavtr, 134.—Remarkable i 
sob A witnessed on the ch a of the 19th of April, 1845, by Prof. Cuar.es 
-—Recent Progress of Magnetical and Meteorological Science,— 
ans i of several new pubslindhiol both American and Foreign on these — 
subjects, 137 ie 
Miscellaneous Items mec Horr s Seologies! Map of Mois accra Fe 
of France : Expedition to Siberia: Rail Road E Engla Ide Pa 
of Light, Heat, and Electricity , 146. Note on Prof. Pusing' s Article “147. 
Bibliography.—Notice of ei aioe s Parties’ ees Meteorites in the 
Imperial Cabinet at Vienna, by Paut Parrscu, 148.—Works = bs a7 ness 
f di- 
tion to the Rocky Mountains in the year 1842, and to — and California in 
Brevet Capt. J. C. Fremont, 149.— merican Electro- 
netic Telegraph, by Aurrep Vait: Papers on Fesctical En ineering, by Lieu 
BD. ©. moeeres : istory of Fossil Insects in he ete ondary Rocks of re 
ie &e. nag e Rev. Peter Bropiz, M.A., F 
eg ate r. Doveitass Hoventon, 150.—Dr. Sines Waweat: Wits 
WC OODBRIDGE, 152. 
NUMBER II. 
Art. I. On Three several Hurricanes of the American Seas and 2 
their relations to the No drial o called, of the Gulf of 
same; by W. C. erie reabeliaieg 153 
Il, Observations on the more recent researches concegiing the 
operations of the Blast Furnace in the Manufacture of lron ; 
by Dr. J. L. 
T «lk 
III. Genera of Fossil Corals of the family Cyathophyllidee, - 178 
IV. On the Chemical i a of a aan sce sakes” by 
B. Situiman, Jr., 
