VI CONTENTS. 



Page. 



XVI. On the Liquefaction and Solidification of Carbonic Acid ; 



by J. K. Mitchell, M. D., 346 



XVII. On a general Electro-Magnetic and Magneto-Electric 



Formula, 356 



XVIII. Fossil Encrinite ; by John G. Anthony, - - 359 



XIX. Report on the Shooting Stars of Dec. 7, 1838, with re- 

 marks on Shooting Stars in general; by E. C. Her- 

 RICK, 361 



XX. On the Meteoric Shower of November, 1838; by Prof. 



Denison Olmsted, - 368 



XXI. Communication respecting Fossil and Recent Infuso- 

 ria made to the British Association at Newcastle ; by 

 Prof. Ehrenberg, ------- 371 



MISCELLANIES. 



1. Dr. Torre y's Experiments on the Condensation of Carbonic, 



Sulphurous, and Chloro-chromic Acid Gases, - - - 374 



2. Critical Interpretation of hara and asah, in a letter from Dr. 



Noah Webster to the Rev. William Buckland, Oxford, 

 England, --.-_...- 375 



3. Notice of the Height of Mountains in North Carolina, - 377 



4. 5. Fossil Shells and Bones — Auroral Arch in Vermont, - 380 

 6, 7. Geological Specimens from the East Indian Archipelago — 



Resemblance to an Aurora, ------ 381 



8. Meteorological Register for 1837, 383 



9, 10. Geological Surveys — Dr. Mantell's Wonders of Geology, 384 

 11, 12, 13. Mr. Bakewell's Geology — Elements of Geology — Dr. 



Lewis C. Beck's Manual of Chemistry, - - - - 385 

 14, 15. Notice of a Manual of Conchology according to the sys- 

 tem laid down by Lamarck, with the late improvements 

 by De Blainville — Eulogiums on the late Dr. Nathaniel 



Bowditch, 386 



16, 17. The Science of Geology, from the Glasgow Treatises, 

 with additions — Dr. Charles T. Jackson's Reports on the 



Geology of Maine, - - 387 



18, 19. Catlinite or Indian Pipe Stone — Encke's Comet, - 388 



20. Grave of Godfrey, the inventor of the Quadrant, and of 



Charles Thomson, ...---- 3S9 



21. Marble and Serpentine in Vermont, - - . - 390 



22. 23, 24. Oil from White Fish— Calcium— N- Dunn's Chinese 



Collection, at Philadelphia, ------ 391 



25. Prof. Agassiz and his Works, - - - - - - 400 



