iv CONTENTS. 
XVI. Correspondence of Prof. Jenome NicxLis—Scientifie Asso- 
ciation at Carlsruhe, 117.—Schlossberger on the property of 
ammoniacal oxyd of copper dissolving cellulose: J. Nicklés 
on the diffusion of fluorine and the means of detecting it, 118. 
On the preparation of Ozone by von Babo, and by Messrs. 
Bunsen and Magnus: Notices by Prof. Erdmann of Leipzig, 
# 119.—On new hydrocarbons and a new property of these bod- 
_ jes, by Mr. Fatrzscue: Manufacture of Soda and Baryta, by 
Mr. Koxtmann, 120.—Dove’s Experiments in Acoustics : 
Magnus on the properties of iron in powder: Boettger—Ac- 
tion of cold and warm water on horny substances, 121.— 
Schroeder—Relation between fermentation and crystalliza- 
tion: J. Nicklés—Electro-magnets and Magnetic adhesion, 
122.—Bibliography, 123. 
SCIENTIFIC INTELLIGENCE. 
caustic potash as a reductigg agent, 124.—On the lodid of Me ethylen : On the ‘aoe ; 
Ammonia upon Glyoxal: On the constitution of ‘Tantalite, — —On Niobium, 126.— ; 
On the constitution persis iron ores, 127,—On a btained by the oxyd- 
ation of malic ac at Remarks on Chemical Science, by Sir Jo oun Herscuet, 128— — 
An tale ni e experiments on Ratiant Heat, etc., by ag e pra 132.— 
On orescent ere e of Electrical = harge cnum made 
Past ae os _ Glass, by Mr. J. P. Gasstor, 133.— . iohoat ee Discharges 
when taken in ‘Aqueous: ins by Mr. J. P. Gassiort, pe 
On Marcou’s “Geology of North America,” by Prof. Acasssz, 134.—Reply 
we penal on Marcou’s Geology of North America, by er Dana , 137. 
01 
of the Tilestones or Sia Devonian Strats of Scotland, by Mr. D. Pace, 141. 
Botany and Zoology —Nereis Boreali- a, or Si sari ee the Hist ry of 
Marine Alge of North America, by Prof. Witttam Hevry Harvey, M.D De RL. 
a L.S., 142.—Species Filicum ; being dsicripllond Ps all etre Fer, by Sir oer 
cxson Hooker, K.H., &c., 146—-Catalogue of North Am irds, 
Scieces F. Barry, 147. ~Cdontubiee by Prof. Owen, 148 
Astronomy.-~Douati’s Comet, or the Great Comet of 1853, 148, at 
Miscellaneous Scientific mesa. nce, athe Meteorological and ie prepared se 
the Smithsonian Institution by ARNOLD Guyot, 149.—On the Heating of the At 
G 
Gen. Sir Williarn Re ‘ad, R. E., 158.-—Journal of the Royal Dublin Society : pre 
iqué & la Viticulture et 4’ l’'CEnologi i si arolina a 
by Francis S. Houmes, A.M. : 
F. Cuannine, M.D.: New Publications, 156. 
