Vol. 62. Philosophical Magazine. Nov. 1833. 



Contents of Number 307. 



LXVl. An Account of some EL^ctro-raagnetic Cotnbraations, for 

 exhibiting Thermo-electric Phasfioruena, invented by Mr. James 

 IMarsh of Woolwich; with Experiments on the same. By Peter . 

 Barlow^, Esq. F.R.S., of the Royal Military Academy, Honorary 

 Member of the Cambridge Philosophical Society, and of the Society 



of Civil Engineers Pao^e SSI 



LXVII. On the Caloric of Gases and Vapours, by M. Poisson ; 

 from the Aunales de Chimie, tome xxiii. p. 337 : with Observations • 



by John Herapath, Esq §28 



LXVIIl. Quadrature of the Circle i and Proportion of the Diame- 

 ter to the Circumfisrence ; containing some Observations on its Peri- 

 fneter and Area, tending to demonstrate the utter Impossibility of 

 ever obtaining a perfect Solution of these delusive Problems : toge- 

 ther with the true and only Cause of the constant Failure of all At- 

 tempts to effect it. To which is added, a simple and easy Process 

 of estimating the most useful Properties of the Sphere &c. in Men- 

 suration. By Mr. John Snart *;^. . 338' 



LXIX. True apparent Right Ascension of Dr. Maskelyke's 



36 Stars for every Day in t!ie Year 1823 346 



LXX. Derivative Analysis. By Mr. Peter Nicholson SiS 



LXXI. Au Examination of certain Minerals. By AuevsTUS 



AnrwEDsoN r . , ... . . , . . 355 



LXXII. On the Origin and Production of Matter, and on its al- 

 leged Infinite Divisibility. 360 



LXXllI. On the Petrifactions of Osterweddigen, near Magde- 

 burg. By Professor Germar. Read before tiie Natural History 



Society of Halle, Feb. 1 , Ks23 S67 



LXXIV. Remarks on some of the American Animals of the Genus 

 Fdis, particularly on the Jaguar, Felis Onca Linn, By T. S. Traill, 



M.D. F.R.S.E. &c 372 



LXXV. On the Adjustment of the Line of Collimation of the 



Transit Instrument 377 



LXX VI. List of Occultations for the Year 1824, computed for the 

 Meridian and Parallel of Greenwich, By M. Inghirami of Flo- 

 rence 376 



LXXVH. Plantce rurce Succtdentce ; a Description of some rare Suc- 

 culent Plants, by A. H. Haworth, Esq. F.L.S. &c. 380 



LXXVIII. On the Cultivation of the English Cranberry (Oxycoc- 



cuspalustrk) in dry Beds. By Mr.TnoMAS Milne, F.H.S. { 382 



LXXIX. Notices respecting New Books 884 



LXXJ'i^. Proceedings of Learned Societies : — Royal Society ; Lin- 

 usean Society ; Geological Society ; Astronomical Society ; Meteoro- 

 logical Society 387-389 



LXXXI. Intelligence and Miscellaneous Articles:— Mr. Pond and 

 1\L Bessfl ; A.stronomical Information ; Length of the Seconds' Pen- 

 dulum at tlie Galapagos, in Mexico, and in Brazil; New Voyage pro- 

 jected by Captain Parry; Gold Mines in Russia; Supposed Gigantic 

 J>pccies of liaia; Professor Doebereiner's new Experiments; Mr. 

 .JNIurray on the Medical Application of Chlorine and Chlorate of Po- 



tassa ; Lis.t of New Patents ; Meteorological Table -389- tOQ'^ 



*<,* Communications for tliis Work, received by the Editors^ 



38, Shoe-Lane, will meet with every attention. 



KiCHAKfl JAYIOR, PIUMSB, SHO^-LANS, LOKDOK. 



