Vol. 40. Philosophical Magazine. September 



W|^ Contents of Number 17^. 



?M XXX. A New Table oF the auantities of Acid in Sul- 

 phuric Acid of diflTerent Densities, constructed for the Use of 

 , Manufacturers ; being the Result of Experiments made with 

 i the strongest Sulphuric Acid of Commerce. The Specific 

 ^,,, Gravities taken at the Temperature of 60". By Samuel 

 »«Pakkes, F.L S. - - . , . 



ii.'is XXXI. An Account of some Experiments on the Combina- 

 tions of different Metals and Chlorine, &c. By John Davy, 

 Esq. Communicated by Sir Humhhrv DAVY3Knt. LL D* 

 Sec. R S. - . - . * * 



XXXII. A Correspondence between Dr. Bostock and 

 [Dr. MARccr, on the Subject of the uncombined Alkali in 

 the Animal Fluids .... 



XXX r II. Dr. RoGET in Reply to Mr. Hume on his Test 

 for Arsenic ---.... 



XXXI V. Chemical Researches on the Blood, and some other 

 [Animal Fluids. By William Thomas Brande, Esq. 

 F.R.S. Conanunicated to the Society for the Improvement 

 /if M °^ ■^"''^*' Chemistry, and by them to the Royal Society 

 m^ XXXV. On Sir Humphry Davy's late Proposal for im. 



161 



168I 



181 



^M, proving the Arts of bleaching Linen and Cotton Cloih by 

 SmI^"^ *''"''"° *^^ Oxymuriate of Magnesia for the Oxj-mu- 

 ^m/riate of Lime in the B'eaching Procefs; with some Observa- 



f 



/AIM 1'°"' '" '^"^^y '° ^" -^■'^'"■'^ '" *he Philosophical Magazine 



m for Ju"''- By James Ogilby, M.D. - . . 



rC^T, ^^-^"^I- An Attempt to analyse Silica. Br Professor 



.§£^|\ BtiRZELlUS - - - - . 



tW XXXVII. On the luminous Appearance of Sea Water. 

 By Knight SptNCER, Esq. - - . . 



•M XXXVIII. Defetce of Professor Leslie against the Edin- 

 ^>i(j^ burgh Review ----.. 

 |;^i^ XXXIX. On some Combinations of Platina. By Edmund 



''aM ^ ^^^' ^^'^' °^ ^^^ ^°y^^ Institution. Communicated bv the 

 (^mI Author - - . . . _ 



190 



206: 



2081 



aop 



XL. Description of a Machine for pumping Water used 

 in the East. By M. Chastellan, Author of" Travels in 

 the Morea" - . . . _ 



XLI. On theSubst'tution of the Oxymuriate of Ma<rnesiafor 

 that ofl.ime, in the ProcKss of Bleaching, &c. ByM.DoNoVAN 2261 



XL II. Proceedir.g^; of Learned Societies - . 291 



XLIII. Iiuelhgencc and Miscellaneous Articles, — Meteoro- 

 logical Table, &c, - ■ . . 236—2401 



*x-* Communications for this Work, addressed to the Editor, 

 Pickett- Place, Temple Bar, will meet with every attention. 



•I- TAYLOR AND CO 



PRINTERS, SHOE LAN'E, FLE£T STREET, LOtiVOlf. 



