Vol.60. 



Philosophical Magazine. July 



'US 



32' 



Contents of Number, 291. 



I. Further Observaticns on Dr. Reade*s Papers .on Re- 

 fraction. By Mr, Charles Stark, R, N. - ' P'^S' 

 _ "II-. An Account of the Repeating Circle, and of the Al- 

 titude and Azimuth Instj^urnent. By Edv. Troughton, 

 Esq. F.R.S.rand Member of the American Phil. Society. 



III. On thp Hypothesis of Gaseous-JRepulsion. By Johm 

 Herapath, Esq. - ^ ' . ; -* ; -■ : 



IV. On the..Solar I^clipse which ^oojc place on ^Sep- 

 tember 7, 1820. By F. Baily, Esq. F.R.^. and L.S. 



V. Account of a successful Experiment to prevent the in- 

 ' jurioHs EtFects resulting from the Diffusion of arsenical Va- 

 pours from Copper-smelting Furnaces. 



I VI.; On the Connexion between the Leaves and Fruit of 

 Vegetables, &c. By Anthony Carlisle, Esq. F.R.S. 



Vri. Further Remarks orr the new Method of deter- 

 mining the Latitude of a Plijice, by Observations of the 

 Pole-Star. By Francis BailY, Esq. F.R.S; 



VIII. True apparent Right Ascension of Dr. Maske- 

 lyne's 36 Stars foi every Day in the Year. 1822, at the 

 Time of passing the Meridian of Greenwich. By the Rev. 

 J. Grocby. (Continued frbrt-vol. lix. page 101.) 



IX. On the Pollen of 1" lowers. By Mrs. Ibbetson. 



X. On the Heat produced by CJhIprtne, and on a singu- 

 lar Effect produced by Lightniiig. By John Murray, 



F.L.S. M.W.S.&c, &c. V', • - ' . ■ 



XI. A Reply to Mr. John Murray, " on the Apparatus 

 for restoring the Action of the Lungs in apparent Death." 

 By Mr. John Moore Jun. - - - - 



XII. On the Chemical Composition of white efflorescent 

 Pyrites. By M, J. Berzelius. 



XIII. Notices respecting Neiv Books, 

 ^V. ProceediiTgsof Learned Societies, 

 XV. Intelligence and Miscellaneous Articles : — 



I Explosion of a Steam Engine Boiler. — Oil Gas. — Specinc Gravi- 

 ty. — Arseniuretted Hydrogen Gas. — Analysis of Black Hellebore. — 

 Analysis of the Rose. — Effect of Heat and Cooling on the Colour 

 of the Ruby.^Diochrisni of Tourmaline. — Damp in Walls. — Stu- 

 pendous . Cavem.1 — Singiilar Pheenoipenon.-^Expec^jtion to the 

 Rocky Mountains. — Aid in Cijse of Siiipwrecif.— Husbandry. — Cop- 

 j per raised in Great Britain.— Corij)us Mass ol' Iron ai:d Zinc. — 

 ' Gaseous Sprinjr. — The Spinal Marrow. — ^Aniiiic:!!) F!ks.— :A new 

 Instrument for*, Cataract." — Iniproyefl Horse-'- uheraatical 



Discovery,— The Conitj^ of 18;^ii, By iVf, Ni' r-iiqunke, — 



Patents.r-^MettoroIoglciil Table. '"- - - 6fr— 80 



38^ 



61 



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671 



this W( 

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RlCHAilD AND AKTUOA^'i'A^YI.OR, l'Kl>rTET(.«','SHOB LANE, LONDON. 



