r-i: 



Vol, 46. Phiksopliical Magazine. September ISlSjj 





Contents of Number 209. 



Account of some Electrical Experiments by 

 fV 'iftsi •"•• ^^^ Nelis, of Maliues in the Netherlands: w-ith an Ex- 

 r^Hj^ tension of them. ByGEORCE JoriN Singer, r-nuANDREw 

 ^£^CrosSs, Esqrs. " Communicated by Mr. Sincer 



,„,., XXXn. On the Difi\ision of Heat at the Surface of the' 

 =-if Earth. • By Jon n MirRRAv, M.D. f .U.S. EJ. 



t^:^ XXX n I, Some Geojbgical Observations. By 

 ;">, W. H. GiLny/RlDi - - - - 



r>^^ XXXIV. On the Strength cf B^ims. By A Coitir^. • 



SPONDENT _ . . . . - ' *- 191 



XXXV. Observations upon the different Hypotheses 

 ■'^^ that liave been proposed respecting the Nature of L{^t. 

 ~ ?>'^By William Crane, Jun. M;j^ Boston, Lincolnshire 



wl? XXXVI. On correcting the Rate of an Electric Clojck 

 a Compensat!( 

 W^M F. RoNALDsTEsq, 



^'^^^^ XXXVII.. On the Fracture of I^ectrical Jars by spdn 

 ^iy taneous Discbarges. By. Mr. Thomas Howldy 



JiW XXXVIII. >!ev^ Outlines of Chemical Philosophy. 

 Me'iEz.WALX'cRjEsq. of I.ynn, Norfolk - _ - 



,^ by a Compensation for Changes of Temperature. B 



i 



_^ ,...._.,..... , 2^^ 



^i^V "\ XXXIX. An alphubatical Arrangement of tlie Places'. 



I;'",X-I ^'■'^^ whence Fossil Shells have been obtained by Mr. James • 



i-.vj;-:/ SowERBY, and drawn and described in vol. i. of his " Mine- 



iif^ rai Conchology;" with the geographical and stratigv.aphical _ 



'''1^4^ Situations of those Places, and a List of their several r9ssil 



m 



^"vC Shells, &c. By Mr. .John Farey, Sen, Mineral Surveyor 211 K^ 



M'% ' -^ • ^ ^ ^^ 



V'..>:' ';-,•; XL. On Jameson's Preface to CtrviER's Theory of the -^^-'•'' 



'^:•^Eardl . :' . •- - - - 22^ ^ 



K\I'^ XLI. Notices respecting New Bocks -. - - 230 j_^ 

 t^i-?S XLI I. Intellisrence and Miscellaneous Articles :~-Van 



^■V.''"vj Mons. — ^^Gunneiy: Experiments at Vvoolwich^ — Steam En- 

 ' '^,'' gines in ConiwaU.— New Voyage of Discovery — Patents. 

 Lectures. — To Correspondeiits. — Meteofology, &c 



230--24.0 ^i 



<Y^ -;>■:) ***• Comn:anic:itions for this Work, addressed-tp the Editor, ^^ 

 ^^3> Pickett' Place, Temple Bar, will meet with every attention. gN 



RICHARD AND ARTHUR TAYLOR, PRINTBR8, SHOE t ANEjLOHDON-- 



