iv CONTENTS. 
XVI. Correspondence of Jerome Nickiis.—Obituary—Pierre 
Berthier: Jobard, 108.—The Works of Roger Bacon, 110. 
—Cournot: Proposed Statues of distinguished men, 111.— 
Daubenton, 112.—Parmentier: Artificial production of Pro- 
tein Substances, 113: Note by the Editors, 114.—Docu- 
ments relating to the History of Amorphous Phosphorus, 
115.—Oxygenated Beverages : Electricity—effects of pow- 
erful tension, 116.—Electro-Magnetism—new experiments, 
117.—Electric Telegraphy—Submarine communications, 
118.—New system of cables: Physiological effects of Elec- 
tric Telegraph: Army Telegraph, 119.—Military Photogra- 
phy : Guano and Artificial Pearls, 120. 
SCIENTIFIC INTELLIGENCE. 
Physics.—Depth of the ocean, 121 
Chemistry —On some of the double salts of Cyanid of Mercury, by W. P. DexTeEr, 121. 
Technical ee process of Working Platinum, 124.—Arsenic posing | in 
Styria, 126. 
—Prof. Hall’s rejoinder to the criticisms of this YVosriele on his Contributions to 
Pilwodiskey, 127.—Remarks by the Editors, 132.—Postseript, 135.—Note on the Ta- 
conic System of Emmons, by T. Sterry Hunt, M.A., F.R.S., 135.—New species of 
Lower Silurian fossils, by E. Brnuines, F.G.S. , etc., 136.—Highly interesting discovery 
of new ——- d Remains : i Disotuery of FSourian Dmsainsi in the pone of the Jura, 138, 
Botany.—Mémo ....par H. A. WeppeELt, M.D., etc. : 
onographia Staieceiens hucusque cognitarum, anctore E. he EL, 139.—Dr. C. 
Miiller’s continuation of Walpers’ Annales Botanices Systematics: : Journal de Botan- 
cat Neerlandaise, redigé par Prof. F. A. Miqve.: Tropical Fibres ; their Production 
d Economie Ex Carices i 
seal Rocky Mountain Flora, by C. C. Parry, M D., 141—Aroidee, by Dr. Scuort, 
142.—Journal of the Proceedings of the Linnean Soclety, 143. 
Astronomy and Meteorology.—New name proposed for Asteroid (60): Elements of Aste- 
roid (71) Niobe: Re-appearance of Encke’s Comet, 144.—The Solar Eclipse of July 18, 
1860, 145. 
Meteorology.—Report on the Meteors of rier ae 1861, by the ropa Committee 
appointed by the Gapietdiaas Academy of Arts and Sciences on the Meteors of Nov. 
and August, in each year, 146.—Meteoric sero in December, 1861, 1 148. 
Miscellaneous Scientific Intelligence.—Letter from our Paris correspondent : Ob’ bituary— 
Isidore Geoffroy St. Hilaire: M. de rele 149.—Bertheir: Tete succeeds to 
ganese, antimony, mercury, 153.—-Cannonading at Bull Run, 154.—The California Sur- 
vey: Copley Medal and Roya | Medals awarded: Prof. August De LaRive, 154. 
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