3 
iv CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics——On the Chemical ie of the Solar Atmosphere, Kircu- 
HOFF, 103.—On a New Alkaline Metal, : On the colors of Flames, MERZ, — 
105.—The Dichroscope, 107.—Dove’s ey Pat : Method of mingling at will — 
colors produced by absorption or interference: Influence of binocular vision upon the 
estimation of the distance of — en by reflexion me refraction, 109,—On the ap- 
plication of the Stereoscope t from fac-similes: Electric Light : Im- 
provements in the cence M. C. Wiles: 110.—Tolles’ Orthoscopic Eye-piece : 
Contributions to Analytical Chemistry : Alumina from Lime and Magnesia, 112.—Sep- 
aration of Oxyd of Iron from Lime and Magnesia: Separation of Alumina and Iron 
from Manganese: Separation of Manganese from Magnesia and Lime: Separation of 
Strontia from Lime, 113. 
Technical Chemistry.—Test for Fusel Oil, W. Stern: Value of different kinds of Soap, 
R. Grarcer, 114.—Pig-iron which contains Copper cannot be puddled, C. List, 115. 3 
: ion of Oxyd of Lead free from Copper and Iron, Ta. WicHMANN, 116,-~~ 
Cleniaslne of Mordanted Cloth before Dyeing, J. LawenrTuat, 117. —Incineration of 
Filters: On the Occurrence of the Hydrocarbon yaad in Coal Gas, Ba rreEr, 118.— 
Action of Carbonate of Soda on Cast-Iron, C, Tissiz 
.—Geological Survey eit Canada; Report of Progress for 1858, 122.—Geological 
Surveys; Kentucky: Arkansas: Illinois: Texas: California, 124.—Canada: Ne 
York: Descriptions of new soot of Crinoidea and Echinoidea from the Carbonifer- 
ous rocks of Illinois, and other Western States, by F. B. ta and A, H. WorTHEN: 
Description of New Carboniferous Fossils from a and other Western States, by 
F. B. Megx and A. H. Wortuen, 125,—Systematic Catalogue, with Synonyma, &c., 
of Jurassic, Cretaceous, and Tertiary Phas collected in Nebraska, by the Expl. 
Exp. under the command _ Lieut. G. K. Warren, by F. B. Meek and F. V. Haypen, 
.— Observations 
the Cretaceou: a Seed of Texas, B. F. Saumarp: Die Silu- 
rische Fauna des as Saale by Dr. F. Roemer, 127 
and Zoology.—Thesaurus Capensis, or Illustrations of the South African Fiora, 
etc., Wm. H. Harvey, M.D., F.RS., &c.: Flora ecieda being a pee 
scription of the Plants of he Cape Colony, Caffraria, and Port Natal, by A. Har- 
vey, M.D., F.R.S., &c., and Orro WitnELM verte a D., 128.—Flora be a Brit- 
ish West Indian Islands, A. H. R. Sapo ai M.D.: Plante iigdiiane e Cuba Ori- 
rightiange et prs etc., D.C. Eaton: 
A Catalogue of Plants found in New Bedford, Mass., and its vicinity, by E. W. Hien 
VEY: pease Pheenogamous and Filicoid Plante of New Castle County, Dela- — 
tranged according to the Natural System, with the ypoerne of Mode rm 1 Ate 
, or rare, or imperfectly known species of Ferns; from 
various parts of the World, by Sir bcc eee! Hooker, K.H., &c.: Species 
all ; Tih ustrated with fees: by Sir 
WILitaM csics Hooxer, K.H., &., aaa Farngal ‘on D 
Merrentus, 133.—Filices Horti Botanici. Lipsiensis, G, MerTenivs, 134. 
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