IV CONTENTS. 



Page. 



XIII. Notices of the Native Copper, Ores of Copper, and 



other Minerals found in the vicinity of New Bruns- 

 wick, N. J. ; by Prof. Lewis C. Beck, - - 107 



XIV. Note on the New Brunswick Tornado, or Water Spout 



of 1835 ; by Prof. Lewis C. Beck, - - - 115 

 XV. Account of the Bituminization of Wood in the human 



era ; by Prof. Wm. Cappenteu, - - - - 118 



XVI. The Construction of Galvanic Magnets ; by John B. 



Zabriskie, M. D., 124 



XVII. Electro-Magnetic Rotations ; by John B. Zabris- 

 kie, M. D., 129 



XVIII. Steam Ships and Steam Navigation ; by Junius Smith, 133 



XIX. Galvanic Batteries. — On the benefit of Fresh Immer- 

 sion ; by Charles G. Page, M. D., - . - 137 



XX. Application of the Galvanoscope to detect the Failure 



of Water in Steam Boilers; byCnAS. G. Page, M.D., 141 



XXI. Dr. Jackson's Reports on the Geology of the Slate 

 of Maine, and on the public lands belonging to 

 Maine and Massachusetts, ... - - 143 



XXII. Obituary notice of the Hon. Stephen Van Rens- 



selaer, -.-_.--- 156 



XXIII. Some notice of the Kilee or Boomerang, a weapon 



used by the natives of Australia ; by Charles Fox, 164 



XXIV. Meteorological Table and Register; by Prof. Loomis, 165 



MISCELLANIES, 



1. Echoes, 174 



2, 3. Analysis of Marl from Farrainffton, Conn. — Tabular view 



of the price of labor and subsistence in certain parts of 

 Continental Europe, ------- 176 



4. Rain from a clear sky, ------- 178 



5. European observations on the Meteoric Shower of Novem- 



ber, 1838, 179 



6. Meteorological Register for 1838, - - - - - 180 



7. Chromate of potassa — a reagent for distinguishing between 



the salts of baryta and strontia, ----- 183 



8. Frozen Wells, 184 



9. 10. Ice formed at the bottom of a river — Fossil fishes of the 



red sandstone, 186 



