q CONTENTS. 



METAPHYSICS. 



Mr. Isaac Orr on infinites, 



326 



113 

 118 



121 



141 



PHYSICS AND CHEMISTRY, MECHANICS AND THE ARTS. 



Correspondence between Doct. Robert Hare and the Editor, on the 

 subject of the Calorimotor and Deflagrator, (see the plate,) 



. with an account of the fusion of Charcoal, - - - 94 



Mr. Henry Seybert's Analysis of the Tabular Spar — Pyroxene and Co- 

 lophonite of Lake Champlain, - - - . 



Mr. George T, Bowen's Analysis of the calcareous oxid of Tungsten, 

 from Huntin^on, -•-. 



Rev. Mr. Hitchcock's communication respectins^ the preservation of 

 Mr. Williams' life, when struck by lightning (with a plate.) Gen. 

 Epaphraa Hoyt's notice, ^ . - . . - • 



Mr. L. VV. Smith on a case of suspended animation, - - 125 



Dr. J. Van Rensselaer, on the Natural History of the Ocean, - 128 



Description of the apparatus used in lighting the Tron Steeple at Glas- 

 gow, (with a plate,) ,--^----- 



Prof. James Renwick on the longitude of Nexv- York, - - 143 



J. L.Sullivan, Esq. on the revolving Steam Engine, - - . - 144 



Mr. Robert Eastman's improved Saw Machine, (with a plate,) - 146 



Mr. Thomas Skidmoreon the formation of flexible elastic tubes, - 153 



Mr. Isaac Lea on a singular impression in sandstone, - - - 355 

 On the twinkling of the fixed stars, - - - * . 



Mr. Henry Seybert's analysis of the Maclui*elte, - - - 336 



Mr. George T. Bowen's analysis of the Pyroxene in the vicinity of New- 

 Haven, - - 



Alsoofthe Nephrite of Smithfield,R.L - - - - - -'346 



Doct- Robert Hare's letter on Alkanetasa substitute for Litmus, &c# 348 



Mr. Thomas Slridmore 00 the combustion of Hydrogen in water, 347 



Doct. Robert Hare on the g^ales experienced in the Atlantic States of 



North America, * . . . _ . . 



Mr. George T. Bowen's notice of the magn^tLc eiEecta.prDducedby Dr. 



Hare's Calorimotor, - - - - - - 



Editor on the fusion and volatilization of Charcoal, with Professor Gris- 



com's remarks on Doct. Hare's Galvanic Instruments, - - 361 

 Mr. Henry Seybert's letter on the Condrodite, - - - - 366 



OBITUARY.— (Professor Fisher.) - - - • 3G7 



r 



MISCELLANEOUS. 

 Original Letters from Dr. Franklin to Rev. Jared Elliot, - - 157 



156 



344 



352 



357 



INTELLIGENCE AND MISCELLANIES. 



I. Foreign. 



Prices of some minerals in London, 

 Lithography — Meteorolites, 

 Fossil human bones, 

 Climate of the South of France, 



169 

 170 

 171 

 173 



Pressure of the atmosphere — Salamander, new species, - - 174 



Meteorolite — Diamoud— Circulating Libraries — Traveller's Society, 175 





-i_ 



