Vol. 40. Philosophical Magazine. November I 



Contents of Number 175. 



Page. 



S21 



329 



330 

 332 i 



333 



S37 



LIV. Reply to a Letter of Dr. Marcet to Dr. Bo. 

 TOCK, on the Subject of the Alkali in the Animal Fluids. 

 By George Pearson, M.D. F.R.S., &c. &c. 

 »j;w LV. Of such Portions of a Sphere as have their Attrac- 

 ^«^tion cjcpressed by an Tilgebraic Quantity 



LVI. On the Differential Thermometer 

 LVII. Tabular Corrections for the K'ise and Fall of the 

 Mercury in the common Barometer. By E.Walker 

 LVIII. On Tests for Arsenic. By P. M. Roget, M.D. 

 LIX. On thtf Vibrations of Musical Strings ; with a 

 jModc of ascertaining the Sound producible liy any given 

 ' Number of Vibrations, By Mr. Johm Southern 



LX. Additional Experiments on the Muriatic and Oxy- 

 murialic Acids. By William Henry, M.D. F.R.S. V.P. 

 ?^ of the Lit. and Phil. Society, and Physician to the Infirma- 

 ^^^ ry, at Manchester. - - 



LXI. Letter from Mr. John Stancliffe to Mr. James 

 Allan, respecting Mr. Allan's improved Dividing Engine 34^; ^ 



LXn. On the Motions of the Tendrils of Plants. By "' 

 Thomas Andrew Knight, Esq. F.R.S. In a Letter to 

 ,the Right Hon. Sir Joseph Banks, Bart. K.B. P.R.S. 



LXtll. On some Combinations of Platina. By Edmund 

 Davy, Esq. of the Royal Institution. Communicated by the 

 Author - 



LXIV. Case of Femoral Hernia, with some peculiarities 

 successfully treated by an Operation. By John- Taunton, 

 I Surgeon to the City of London Truss Society, the City and 

 Finsbury Dispensaries, and Lecturer on Anatomy and Sur- 

 gery . - ... 



LXV. An easy Method of forming all Kinds of Ovals, 

 commonly known by the Name of Gardener's Ovals 

 , J LXVI. Communication from Mr. J. Allan respecting 

 ]i|ij;|his improved Dividing Engine, for which he received the 

 Gold Medal of the Society of Arts, &c. 

 I^i ll| LXVII. An Account of some Experiments on different 

 '(J:. '.^ Combinations of Fluoric Acid. By John Davy, Esq. Com- 

 ^Vi,^% municated by Sir Humphry Davy, Knt. LL.D. Sec. R. S. 

 "' LXVIII. Notices respecting New Books 

 LXIX. Proceedings of Learned Societies 

 LXX. Intelligence and Miscellaneous Articles. — Meteoro- 

 logical Table, &c. _ - . 39i 



365 



S6Tfk 



368 



374 f 



3S6 



3S7 



•400 J 



*»* Communications for this Work, addressed to the Editor, 

 ' PicKctt-Place, Temple Bar, will meet with every attention. 



R. TAYtOH AND CO. PRINTERS, SHOE LANEj FtFET STREET, tONDOW. 



