IV CONTENTS. 



JNo. XX. — August. 



PAGE 



I. Biographical Account of Sir Humphry Davy, Bart., continued . 81 



II. On the formation of Sulphuric Afcid. By Thomas Thomson, 



M.D., F.R.S.L. & E., &c 93 



III. Description of a New Hygrometer, &c. By John A. Mason, 



M.D., M.R.C.S.E., &c 96 



IV. Catalogue of Plants collected at Bombay. By John Graham, 



Esq., continued Ill 



VI. On the Chemical Composition of Human Blood. By Mr. 



Thomas Richardson . . . . . . .116 



VII. On some Astronomical Methods of Observation. By William 



Galbraith, A.M., continued . . . . . .127 



VIII. On the Curved Figures produced by rapidly Rotating Disks. 



By Charles Tomlinson, Esq., continued .... 135 



IX. Analyses of Books 142 



Transactions of the Linnean Society. Vol. XVII. part. 3rd, 1836 ib. 



X. Scientific Intelligence, &c. ....... 147 



1. Pharmacy, &c. ........ ib. 



2. Phenomena of Chry stall ization ..... 150 



3. Uric Acid Calculi in the Biliary Canals .... 151 



4. Effect of the Price of Corn upon the Population . . ib. 



5. Impurity of Sulphuric Acid . . ... - 152 



6. Tests for Strychnin ....... ib. 



7. Fossil Flowers ib. 



8. Composition of Silk ....... 153 



9. Analysis of Phosphate of Lead. By Dr. R. D. Thomson . ib. 



10. Effect of Alkalies, &c. on Vegetables . . . . ib. 



11. French School of Pharmacy . . ... . 154 



12. Death of Professor Geiger 155 



13. Alpine Plants of Cote D'Or . . . . - . . ib. 



14. Ozokerite, a mineral subtance ..... ib. 



15. Additional Notice of an Oxide similar to Donium. By H. S. 



Boase, M.D., &c 156 



16. Showers of Frogs ....... ib. 



17. Luminous Vibrations in Diaphanous Media . . . ib. 



18. Globules of the Zannichellia palustris . . . . ib. 



19. White Crystalline Grains in the Intestines . . . 158 



20. Two Concretions found in the Knee of an Old Man . 159 



21. Analysis of Copper Pyrites. By Mr. Thomas Richardson . ib. 



22. Meteorological Table .160 



No. XXl.—Septemher. 



L Biographical Account of Sir Humphry Davy, Bart., concluded 161 

 II. Experiments on the Absorption of Air by Water. Bv Thomas 



Thomson, M.D., F.R.S. L. &E., &c. . . . ' . . 170 

 ni. On Manganic and Hypermanganic Acids, &c. By E. Mitscherlich 178 



IV. On some Methods of Astronomical Observations. By William 



Galbraith, A.M., continued 183 



V. Catalogue of Plants collected at Bombay. By John Graham, Esq. 194 



VI. On the Differences of Temperature between the Granite and Slate 



in the Cornish Mines. By W. J Kenwood, F.G.S., &c. . 198 



