viii CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
Physics.—Photographs of Spectra exhibited to the Chemical Section of the British Asso- 
ciation ; by Prof. W. A. Mituer, 408—On Cesium and Rubidium, Bunsen, 4 
Probable existence of a new Element, Crookes, 411.—Reduction of Sulphuric acid i 
Nascent Hydrogen, Kouze: On certain Organic Acids, 412—Mathematical Theory of 
Homologous Series, BacoLoG1io, 413.—On the Conversion of Monobromid of Ethylene 
into Acetylene, Sawitca, 414.—On an see ngtee bart of —— wa esi en 
H. Saint Ciatre DEVILLE, 415,—O, 
by Prof. Jerome Nickués, 416 
Technical Chemistry.—On the Coloring Matters Derived from pee: by Mr. H. W. 
Perxtin, F.C.S.: Bleu. de Paris, 416.—Aniline Green, or Emera : Nitroso-Pheny- 
line, 417.—Dinitraniline: Nitrophenyline-diamine or wiroptanetulan' re. or 
Dinitrophenic Acid, 418.—Rosolic acid, 419.—The Coloring Matters of Quinoline or 
Chinoline, 420.—Naphthaline Colors: Chloroxynaphthalic and Bilhlsccbyrapbialic 
Acids, 421,—Carminaphtha : ries. iene woe. -_ —Ni come gage Naphtha- 
Red Azuline: p b 
for 
Tact {n 
4050 10T 
oratory use; by Dr. H. SprenceE., “425. 
Photography.—A ne Collodion : A rapid dry process, 426, 
Geology —On the Taconic System of Dr. oe ed T. Srerry Hunt, M.A., F.RS., 
427.—Contributions to Paleontology, J. Han 
oology.—Synopsis of a Course of Lectures given at the Museum of Natural History, 
(Paris), in 1850; by M. Isopore Georrroy Satnt-Hitaire: On the Animal Series, 
and the Parallelic Classification, 431-Summary of lessons on the question of species, 
432.—On some Objects of Natural History from the Collection of Mr, Du Chaillu; by 
Prof. Owen, 435.--On the Height of the Gorilla; by Dr. J. E. Gray, 437.—Cambridge 
Museum of Comparative Zoo 
Astronomy and Meteorology. Dioner of the 71st Asteroid: Re-discovery of Pseudo- 
Daphne, 438.--Comet II, 1 438, 
Meteorology.—Notices of eae and Meteorie Masses; by Director Harpincrr, 440,— 
Remarkable Meteor, Oct. 4, 1861, 443,—Observations respecting the Periodic Meteors 
of August; by Atex. C. Twintno, 444.—Grand Meteor of August 10, 1861—Elements 
of the August ring of Meteors; by H. A. Newvon, 448, 
oe and Scientific Intelligence—Return of retic Expedition of Dr. Hayes, 
—The earthquake of 31st August, 453,—Letter ping C. Hitchcock, Esq., on the first 
fannie on the fossils of the Red Sandstone formation of Vermont: Atlantic and 
Pacific Telegraph: Nicotine: Geological Survey of Wisconsin, 454.—Eighty Years 
Progress of the United States, etc.: New American ja, 455, 
Personal.—Prof. A. D. Bache, F.R.S.—Obituary.—Dr. Eli Ives, 455. 
Index, 456. 
a Sh 
ERRATA. 
P. 37, 3d line from bottom, for “ r ax Poms semi ‘major axis,’ 
P, 109, oa line from bottom, for oy * Honzeau.” 
P. 416, top, for “nearly,” said sae, : 
3 440, top, Jor “Notices of Meteoric lasses,” read “Notices of Me- 
teors and Meteoric Masses.” 
