CONTENTS. v. 
Notice of a Geological and Agricultural Survey of the district 
adjoining the Evie Canal, 5 A 7 r K 358 
INTELLIGENCE AND MISCELLANIES. 
J. Fornicn. 
Crystallization of Sub-carbonate of Potash—Gas Piehts, 181 
Piercing of hot fron by Suiphur, - 182 
The Naturalist’s Guide—Public Utility —Wortemberg Uni- 
versity, Gabe - 183 
Prussian Daj veriticsWocueual fisteuction_ SPOnhie s of 
Granite, - - - - - - - - 185 
Miscellaneous Notices from the Island of Ceylon, - 186 
Difficulty of Mineralogical Excursions in Spain—Gift to the 
American Geological peciety: 7 Opiaians as to the sprint: 
pal Rock Formations, - 187 
Comparative political situation of the Old and New World, 
and the progressive improvements in Education, . 188 
Second Edition of Parkes’ Essays, - - - - 190 
Biographical Notice of Haiiy, - - - - 362 
Spinning Machine at Dunfermline, Scotland—Royal Encour-  ~ 
agement, - - - - - - - 371 
Preparation of Potassium and Sodium, - - - 372 
The two electricities distinguished by their taste, - 373 
Leyden Jar—Chemical Effects of Mpenetistiis iclatile Oil 
in Hydrogen Gas, - 374 
Hydrogen Gas—Nitric aed aeiete leeks of ctauel She oy fe) 
Bibliotheque Royale, de Paris—Proportion of the sexes, 376 
On the capillary action of Fissures, &c. - - Fe AL 
Leghorn Straw Plait—Difference of crystalline forms of the 
same substance—Plate Electrical pactncs, - aay o 
Electricity on separation of parts, - - - . 879 
Electric Light—White Copper—Prussian Blue, - 380 
Test for Morphium—Cafeine—Hatching of Fish, - 381 
Products of the combustion of certain coal strata—Leiter 
from the Chevalier de Martius to the Editor ; - - 382 
Geographical Society of Paris, - - - : 384 
French Periodical Journals, - - - - - 385 
Englisk Opium—Improved Crucible, - ~ - 389 
Copper of Great Britain and Ireland—Combination of Alco- 
hol with oil of Turpentine—Action of Cork on Challies 
Waters—Uninflammable Clothes. - - 390 
Animal aan caus Worm—Preservation of Fish by 
Sugar, 2 - - a & 39! 
Dactility PPG lass 2 Bloware Sand—Aurora Epreaiien inFaroe . 
and Shetland——Passage fram Asia to America, 392 
