TABLE OF CONTENTS 
Page 
Historical Sketch of the Improvements i in the Chemical Sciences during 
the Year 1818. By Thomas Thomson, M.D. F.R.S........-e.0006 - is 
oth. 
NUMBER LXXIII.—JANUARY, 1819. 
Observations on new Combinations of Oxygen and Acids. By M.Thenard. 1 
New Experiments on the Oxygenized Acids and Oxides. By M.Thenard. 5 
Fifth Series of Observations on the Oxygenized Acids and Oxides. By 
NIACIN ac AN poise cae tatien ss conte besten shs6 ck teem 9 
On the Phenomena of Sanguification, and on the Blood in te By 
SOME CFS MT eee U eae LR UET Mig ca cet at ne atiecd vcs ieimeeee 12 
Experiments on Mariatic Acid Gas. By John Murray, M.D.F.RS.E.. 26 
On the History of Anthrazothionic Acid. By Theodore von Grotthuss.. 39 
A Method of separating Iron from Manganese. By Theodore von Grotthuss 50 
Combination of Carbonate and Hydrate of Lime. By Theodore yon 
—Grotthuss. 2.0.0... cece ee cere cececceceeserneteneesrsecescesseemee SE 
Description of an improved Microscope ...........ceeceseveeeeeceeseee 52 
Notice of some Animals from the Arctic Rezions. By Dr. Leach...... 60 
Critical and Analytical Accountof the Memoirs of the Wernerian Natural — 
History Society. Vol. 11. Part Il. For the Years 1814, 1815,1816.. 62 
Proceedings of the Royal Society, Dec 10, 17, and 24............4.5, 67 
———_ Linnzan Society, Nov 8, 17, and Dee. 15. ........ 68 
Metion-of Lyon om !W ater 536 sc sc ceslelste vie HAA EI oo Meet se ibid, 
Carbowateol Trop) leno 2 ees ay og RIA IT Gas UR alas one's ibid. 
Action of Prussian Blue on Starch ........ eee ee cece ete e cet eeteereeas ibid, 
Deaths in Paris during 1817.....c....e...eceeeeee eye ee rt oe 69 
Saffron supposed to prevent Sea Sickness .........:5 THs ati eachi ey 70 
Purification of Platinum. ..:..........0000. be DEN OSE ERs ds ibid. 
Reumie Acid..... yeasts An odo one ics ei ee 71 
Perchloric Acid..... Eee obese eee Ue se Ee besa staty BULbe Weta Cosa eaeneeee ibid. 
Aurora Borealis at Sunderland. By Mi. - Renney setae Tae ELAN Din ate ibid, 
Death of Proféssor Buchel .. occ cise ete cscs teeta teaecbeestboebnicacs 72 
Wéw Vellow Dyesisssicsiisics sis scnsscasccscseccuscbesctesvactinss 73 
New Observations on the Planet Uranus ......2.c0 cece cece a sees ees anes ibid, 
New Metal discovered by M. Lampadius..........00..eeeeseeeeneeeees 74 
EMRE, Feo cht reer elk acl Aiba sCaueia’s cals arhapieip ie gndghosinb ct saisnisians etuelsiiets ibid. 
SRPEPIAISE OL AIENICA! © cic < «:cicia as  pieleie ¢ # ociviaelee e\8 sfpie'h wiele'tio)sis(e eine cin'efere 75 
Col, Beaufoy’s Magnetical and Meteorological ObeeHatiois for November 76 
Mr, Howard's Meteorological Journal, Nov 21 te Dee. 20. . die 
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