IV CONTENTS. 



Chemistry. 



Page. 



1. Cause of Decrepitation, 163 



2. 3, 4. On Donium, a new substance discovered in Davidson- 



ite — Solidification of Carbonic Acid — Extraction of Sugar 



from Indian Corn, 163 



5. Reduction of Metals, 164 



Geology and Mineralogy. 



1. Ashmolean Society, - - - - . - - 164 



3. 3. Bird Tracks at Middletown, Conn., in the new red sand- 

 stone — Crinoidea, or Lily Shaped Animals, - - - 165 



4. Extracts from an account of a visit to Iceland, by M. Eugene 

 Robert, 167 



5. From a Memoir on the origin of Mount Etna, by M. Elie de 



Beaumont, 168 



6. Extract from a letter from Mr. James Prinsep, dated Calcut- 

 ta, Oct. 25, 1835, 170 



7. 8. Emmonite, a new mineral species — Retrospective Notice 



of the discovery of Fossil Mastodon Bones in Orange Coun- 

 ty, (N. Y.) 171 



9. Analysis of North American Minerals, by Dr. Thomson, 173 



10. Ornithichnites in Connecticut, ----- 174 



11. Delos — Greece — titanium — iron, &c. - - - - 175 



12. Remarks on the lavas, &c. of Mexico and S. America, 176 



Miscellaneous Intelligence. 



1. Plumbago and black lead Pencils, - - - - 177 



2. A comparative and chronological table of the largest Libra- 



ries in the world, 178 



3. 4, 5. The Travellers — Report on introducing Pure Water 



into the city of Boston — Transactions of the Albany In- 

 stitute, .-, 179 



6. On the Application of the Hot Blast in the Manufacture of 



Cast Iron, 180 



7. Climate of Palestine, - - - - - - - 183 



8. The Mathematical Miscellany, 184 



9. Boston Journal of Natural History, - . - - 185 

 10. On the establishment of Statistical Societies in the U. States, 186 

 IL Tobacco, a remedy for Arsenic, 188 



