

JV CONTENTS 



MISCELLANIES. DOMESTIC ANP FOREIGN 



Page. 



1. Travelling term of Rensselaer School, for 1830, with a no- 



tice of the nature of the Institution, - - 151 



2. Proceedings of the Lyceum of Nat. Hist, of New York, 159 



3. Notices communicated by Dr. Wm. Darlington, - - 160 



4. Chart of Long Island Sound, - 163 



5. Use of chloride of lime in the U. S. Navy, - - 164 



6. Use of chloride of lime in bleaching the pulp of rags pre- 



pared for making paper, - 



7. 8. Professor Hitchcock's lectures on diet, regimen and em- 



ployment — On frogs and toads in stone and solid earth, 167 

 9, 10. Character and description of a new species of Ulmus, 



with a plate — On the occultation of Aldebaran, - 179 



166 



11, 12. Effect of certain mineral poisons on living plants — No- 

 tice of a Barn Swallow, 

 13, 14. New pyrophorus— Transactions of the Albany Institute, 173 



172 



and 



of Literary Institutions, 



174 



16, 17, 18. American steel — Collection of colloquial phrases 



Culture of Silk, .... 



19. Protection for Steam Boilers, 



- 175 



- 170 



CHEMISTRY." 



1. Sulphuric acid produced by the vapors of the Aix waters, 176 



2, 3, 4. Crystallization of barley sugar — Vegetable crystalliza- 



tion — Disinfecting powers of chloride of lime, 177 



5, 6. Impure salt in France — Theory of Voltaic electricity, 178 



MECHANICAL PHILOSOPHY. 



1. Shocks by the electric currents, - 180 



2. Elastic force of steam, - . 181 



3. Note on the fabrication of steel at Sheffield in Yorkshire, 



with a figure, -----._ 



182 



4, 5. Hydrostatic balance — Hydrostatic press, - . 135 



6, 7, 8. Extinguishment of fires in chimnies — Lightning rods 



Indian corn, - 



9. Heat lightning, - 

 10. Determination of metallicity, - 



- 186 



- 187 



- 188 



