CONTENTS. V 



Page. 



11. 12. 13. 14. Action of heat upon razors.— Substitute for India 



• 



ink. — To destroy caterpillars. — American Gypsies, 189 



15. Bituminous coal, .... - 190 



16. 17. Miscellaneous facts. — India rubber carpets, - 191 

 18. Stereotype Metallographic Printing, - - 192 



. 19. Materials for paper, - - - - 193 



OTHER NOTICES. 



1. Notice of a work, entitled Experiments and Observations on 



the Gastric Juice, and the Physiology of Digestion, 193 



2. The Cyclopedia of Practical Medicine and Surgery, a Digest 



of Medical Literature, - - - 



3. Obituary of Gen. Martin Field, 



4. The Rotating Armatures, 



202 

 204 

 205 



5. Remarks on steam as a conductor of electricity, - 200 



6. Sulphuric acid, ..... *207 



7. 8. Observations on the time of the appearance of the Spring 



birds in Williamstown, (Mass.) in the years 1831, 

 1832 and 1833. — Recent Scientific Publications in 

 the United States, - - - - 208 



•9, Cabinet of the late Dr. William Meade, - - 209 



10. 11. 12. Ewbank's Tinned Lead-pipes. — American Mangle 



or Domestic Callender. — Price of Platinum — Test 

 Paper, - 



210 



13. 14. Baker's Bread. — Loss of memory from the use of gin, 211 



15. Outlines of Geology, &c, by Dr. J. L. Comstock, - 212 



16. 17. Prof. Hitchcock's Report on the Geology, Minefalo- 



gy, Botany and Zoology of Massachusetts. — Sec- 

 ond American edition of Bake well's Geology, 213 



18. Magnetism 



214 



20 



other branches of Natural History. — Ligneous stems 



of American Coal-Fields desired, - - 215 



21. 22. Crystalline Lenses of American Animals desired. — Man- 



23. Se 



24. 25 



tell's Geology of the South East of England, 216 



217 



Chalk and chalk fossils in 



granite. — Obituary of Rev. L. D. Schweinitz, - 218 



