CONTENTS. 



II. Chemical Science. 



§ Chemistry. 

 1 . Curious Effect of Soda Water upon Cast Iron. 2. Solu- 

 bility of Magnesia and its Carbonate in Water. 3. On the So- 

 lution of Carbonate of Lime, by Mr. Dalton. 4. On Sul- 

 phureous Mineral Waters, and the Nitrogen contained in them. 



5. On INIeteoric Iron, and the masses supposed to be such. 



6. Tests for Arsenic. 7. On the detection of Arsenic in 

 Ores of Antimony. 8. Berzelius on the Oxide of Platinum 

 and Gold. 9. On rendering Tissues incombustible. 10. Heat 

 produced by Chlorine. 1 1. Explosion of Chlorine and Hy- 

 drogen. 12. Oxalic Acid. 13. Alum in decomposed Mica 

 Slate. 14. American Hydraulic Lime 407 



§ Electricity, Magnetism, &c. 



1. Effects of Lightning. 2. Production of Magnetism. 3. 

 Effect of Iron on the rate of Chronometers. 4. Electro- 

 Magnetic Rotation. 5. Note on New Elcctro-Magnetical 

 Motions. By M. Faraday 414 



III. Natural History. 



§ 1. Mineralogy, Meteorology, &c. 



1. O.xalatc of Iron found as a Mineral. 2. Native Cop- 

 per of Lake Superior. 3. Mont Brasier. 4. Scipione Ma- 

 zella's Account of the Rise of Monte-Nuovo, in the year 

 1538. 5. Fall of an Aerolite at Juvinas. 6. Earthquake 

 in Cumimara. 7- Earthquake at Celebes. 8. Mud Volcanoes 

 in Bogs. 9. Scottish Pearl. 10. Rein Deer. 11. First Ap- 

 pearance of the Boa Constrictor in the Island of St. Vincent. 422 



§ II. Medicine. 

 1. Salivation and Ulceration of the Gums, produced by 

 Hydrocyanic, or Prussic Acid. 2. Preservative against 

 Scarlet Fever. 3. On Irritation of the Spinal Nerves. 4. 



5. Medical Prize Questions - . . . 428 



IV. Qenehal Literature. 



1. Cabinet of Ancient Glass. 2. Lithography. 3. Public 

 Education. 4. Statistics — Spain. 5. Census in America. 



6. Observatory at Abo in Finland. J. Rewards for Dis- 

 covery in the North. 8. Convent of St. Bernard 430 



