iv CONTENTS. 
Chemistry. 
Page. 
1. Cause of Decrepitation, - - - 162 
2, 3,4. On Donium, a new psi “See y in Davidson- 
ite—Solidification of Carbonic Acid—Extraction of pes, 2 
from Indian Corn, - - - 163 
5. Reduction of Metals, - - - - - - 164 
Geology and Mineralogy. 
1. Ashmolean Society, 164 
2, 3. Bird Tracks at ee He ‘is ie. new a4 Py 
stone—Crinoidea, or Lily Shaped Animals, - 165 
4. Extracts from an account of a visit to Iceland, ip ' M.  Bagene 
Robert, - 167 
5. From a Memoir on es onee of Mount Ein, by M. Elie en 
Beaumont, - 168 
6. Extract from a factor from Mr. a Prinep, aaa Galcue 
ta, Oct. 25, 1835, - 170 
7, 8. Emmonite, a new mineral ok athe perebiper a Noiies 
of the psig of Fossil Mastodon Bones in Cea Coun- 
ty, (N. Y.) - 171 
9. Analysis of N oe s fnbaes ee Dr. Thomson, 172 
10. Ornithichnites in Connecticut, - - -..- 174 
11. Delos—Greece—titanium—iron, &c.  - - - - 1% 
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, - 
3, 4, 5. The Traviasicedeaion on pidbiiedton Pure Weiss 
into the i of Boston—Transactions of the cert! In- 
stitute - - 179 
6. On the Application of the Hot Blast j in ihe ahehctare of 
Cast Iron, - 
7. Climate of Selita - % ‘i 5 ‘i .: ee 
8. The Mathematical Micechans: a ‘. ie _ ss; > 184 
9. Boston Journal of Natural History, ee ee 
10. On the establishment of Statistical Societies in the U. anon 186 
11. Tobacco, a remedy for Arsenic, - “ : 3 188 
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