CONTENTS. hi vii 
Page. 
. Bone Caves in N. ey Holland, = - - : - 380 
5 Volcano in New Zealand, <e 381 
6, 7, 8. Sajal eee 8 of Fr ossil ‘Animale—-Receoktien 
tion of Zeolite—Crystals in Living Vegetables, 382 
CHEMISTRY. 
1. On the development of Azotic gas in Warm Springs, 383 
= S. 4, Salicine—Crystalline Se in Sulphuric Acid— 
A remarkable Sie eis! ae 384 
5. Platina Lamp, - . - 385 
. A new metal discovered: - - . - 386 
MEDICAL CHEMISTRY. 
“1. Efficacy of Iodine, - - - = A sees ie Si 
_ STATISTICS. 
1. Universities of Prussia and Germany, - 3 388 
2,3. The city of Berlin—St. caida ek of Sciences, 389 
4. eS Ge: Medals found near Geneva, - 391 
MECHANICAL PHILOSOPHY. ° 
1. Bored Wells, - - SUR. 
2. On temperitig m metallic Wires and spri nga, - = 5 393° 
3. Manufactured articles from Horns and Hoofs, - =~ 304 
4. Thunder Storms in France = ©3080 
5, 6. Aurora Borealis at Paris—Lightning “Tubes, - ee 22588 
: OTHER NOTICES. _ ‘ 
1. Exchanges of organized’ rem 
2. Heidelberg collection of mineral petrifactions and models 
of crystals, 
3. Gum Ammoniacum, : - - - - 399 
_ DOMESTIC. 
1. American Marine Conchology, - - 400 
2. Projected Branch Mint of North Carolina, - - 401 
3. Electrical properties of Caoutchouc, - - 404 
4. Geological remarks tg to Mexico, - - . 406 
5. Aluminium and magne - - 408 
6, 7. Pure chromate of potash—Covering for wi res, - 409 
8, 9,10, 11. Memoir on vision—-Problem—~-Topaz in the 
* 
P: 
White Mountains # ee Hlampshire—Mar for —— 410 
12. lodine in Angina Pec - ene 
13, 14, 15. New Monthly. ToGe ial Magazine af: Useful 
oe Knowle oe of the Pecage, ra 
4 
16, 17. Mr "Coopers Disclaimer Eduction, : ~ M13 
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