iv CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics.—Transmission of Radiant Heat through Crystals, 97.— 
Mean density of the Earth : Preparation of pure Methylic Alcohol, 98.—Forma- 
tion of Sulphuric Acid from Sulphurous Acid and Oxygen: Constitution of 
Tannic Acid, 99.—Products of the decomposition of Hippuric Acid: New Al- 
caloid derived from Piperine, 100.—Chemical properties of Electrified Bodies, 
01.—New organic Acid: Donarium identical with Thorium, 102. 
messi and Geology.—Mines of Sulphurets of Arsenic and Sulphur in Koord- 
103.—Mineralogical Notices, by W. T. Brake: Eruption from the sum- 
“mit io Mauna Loa, Hawaii, 105.—On the Structure of the Iguanodon, and on 
the Fauna and Flora of the Wealden Formation, 107.—Note on the Fluor-spar 
locality of Gallatin Co., ll., by G. J. Brusu, 112 
Botany and Zoology.—The Camphor-Tree of Sumatra, 113.—The Chinese Rice- 
Paper Plant: Fungi Caroliniani Exsiccati: Antonio Bertoloni; Miscellanea 
Botanica, 114.—Outlines of the Natural History of Europe, by ARTHUR HeEy- 
Frey, F.L.S., 115.—Conspectus of the Crustacea of the Exploring ‘Expedleion 
"under Capt. C. Wilkes, U.S. N.; by James D. Dana, 116.—A Mon nogr aph of 
the Sub-class Cirtipedis. with Figures e all the Species, by Cuartes Dar- 
win, F.R.S., F.G.S., 125.—Dr. A. Binney’s Terrestrial Asi Seoadli: ‘died 
- 127.—Note on Graptolites, by Dr. H. B. Geiyirz, 128. 
stronomy.—Sixteenth Asteroidal Planet—Psyche, 129.—Seventeenth Asteroidal 
‘Planet—Thetis First Comet of 1852: Observations on an Auroral Beam, ee 
, 130.—Auroral Bow of June 11, 1852, 131. 
of 
Miscellaneous Intelligence.—Remarks on the Climate of San Francisco, by Dr. H. 
Gissons, 131.—Remarks on the Winter of 1851-2 in Canada, &c.; by Capt. 
J. H. Lerroy, R.A., F.R.S., 135.—Region of Lake Superior: A New Fuel, 138. 
—Abstract of Meterological Sere made at Attleboro}, Mass., by Hen RY 
epee 139.—Nees von Esenbeck, 140.—Prices of Microscopes made to order, by 
I. & W. Gruyow, RTE daceiin for the desclaweenua of Sci- 
ence: Gold of California, 146. 
illiogreshi Sea bes Explosions, 146.—Records of the School of Mines 
and of Science applied to the Arts: Annual of Scientific Discovery, A Year 
Book of Facts in Science and Art, for 1852; edited by Davin A. We ts, A.M.,: 
148.—A Handbook of Organic Chemistry, by Wittram Grecory, M.D.,F.R.S.: 
Appleton’s Mechanics’ Magazine, and Engineer’s Journal; edited by Junius 
- Avams, Civ. Eng.: The Naval Dry Docks of the U. States, by Cuas. B. 
ver Wares, by Anruur Ryuanp: Lectures on the Results of the Great Exhi- 
bition delivered before the Society of Arts : Course of the History of Modern 
Philosophy, “A - Vicror Cousin, translated by O. W. Wient: W.H. Bu- 
REN, M.D., E. E. Isaacs, Mostrated Manual of Operative Surgery and 
Surgical easy, 150.—Lectures on Histology, delivered at the Royal College 
Re urgeous of England, in the Sermon 8 af 1850, ies — Jens Quexerr, 151. 
List of Works, 151. 
