v< 



Vi CONTENTS. 



Page. 



X. First Annual Report on the Geological Survey of the 



State of Ohio, reviewed, 347 



XI. Researches in Magnetic Electricity and new Magnetic 



Electrical Instruments ; by Charles G. Page, M. D. 364 



MISCELLANIES. 



1. Synopsis of a Meteorological Journal kept in the city of New 

 York for the year 1837, including the average results of the 

 last five years ; by W. C. Redfield, ... - 373 



2, 3. Notice of a Bramah Press attached to the eyes of certain 



fishes — Maynard's Catalogue of Mathematical and Philoso- 

 phical books, ._.----- 376 



4. New Trilobites, .„...-.. 377 



5, 6. Substitute for Emery — Temperature of the Saco River, 381 



7. Asphaltic Mastic, or Cement of Seyssel, - - - - 383 



8. Rafinesqne's Botanical Works, «• - - - - 386 



9. "Wonders of Geology, in two Vols. 12mo, with numerous 

 plates and wood cuts, -,----- 387 



10, 11, 12. Report accompanying the Map of the extremity of 

 Cape Cod, Mass. — Prodromus of a Practical Treatise on the 

 Mathematical Arts— Hydrogen gas in a lead pipe, used as an 

 aqueduct, _-_------ 393 



13. Bituminization of peat and conversion into coal, - - 395 



14. Denial of a charge of plagiarism, . . - . - 396 



15. 16. Gold in Georgia— Yale Natural History Society, - 397 

 17, 18. Meteoric Shower in April — Improvements in magnetical 



apparatus, ..._----- 398 



19. Meteorological Society of London, - - - - - 400 



20. London Electrical Society and Annals of Electricity, Mag- 

 netism and Chemistry, (fee, 401 



21. 22. Columbite and tin-ore at Beverly, Mass.— Geological and 



other reports, ,. ^ ^ - ~ - - .- 402 



