I S D E X. 



377 



Caoutchouc. Trees which yield, 

 5, 7. Found in the earth, 7 



Carbonate of alumine. Opinions 

 of chemiils on, 28; its nature, 



3 6 



v. Productions of, 165 



ClolL Analyfisof, 113 



Chemical affinity. Berthollet on, 



69, 129, 197, 321 



Clxtas, hunting, 173 



CMkefe and Americans compared, 



242 



Citrate of lime. Decompofition 



of, 116 



Citric acid. Prouft on, 112 



Clarification of wiue, 208 



Cohefion. Experiments on, 5 1 

 College. Eihblifhment of an agri- 



cukHral, 287 



Coloring matter oj fax , what, 1 09 

 Combujlion. Rumford on,- 42 



Comet discovered, 186 



Copper tubes. To flrengthen, 50 

 Coil age farm. Plan of a, 23^ 

 Cottagers keeping cows, 227 



Cotton. Bleaching of, 247 



Co^v : a tree fo called which 



yields caoutchouc, c 



Com, to preferve in facks, 286 



Dablt on acetous and acetic acids^ 



334 

 Dapltcke or crude caoutchouc, 7 

 Davys new eudiometer, 5.7 



Bidot's jletcotypt. Specimen of, 



Double affinity examined, 69 



Double refraStion, a new appli- 

 cation of, 180 



Douglafs at.d Telford's plan for 

 conltru&i ng an iron bridge 

 over the Thames, 64 



Dundonala's (Lord) gum from 

 lichens, 293 



Dye'mg-houfe heated by fleam, 5 3 



Earth ufed as food, 4, 7 



Earthquakes, 368 



Earths. Poffibility of decom 



pofing, 



ys 



Elafili: quartz. Khproth's atia- 



lyfis of, 8$ 



Electoral Academy of Munich, 92 



E'eclive qffinitits, Berthollet on$ 



69, 129, 197, 



Electricity applied to the decom- 



pofitran of Water, 85. Prize 



queftion, 284. 



Elcfr/or.icter. A new, 40 



Emperor of RuJJia, letter from, . 



Epitome of chemifiry. Extract 



from Henry's, 8t 



Eudiometer. On a new> 56 



Fermentation. On vinous, 9 



Field gardening hvjbandryi Oil 

 . ^ 236,336 



Fine arts in France 372 



Fire engine. A new, 19^ 



Fiji). On multiplying, 1 59 



Fixlmilhitr the Aflronomer. Life 

 i, of, 264 



Flax. Bleaching of^ 106 



Flexible Jloncs, S3 



Florence. Longitude of, 185 



Fly, trahfition into, from the 

 chryfalid Hate, 354 



FoJJil bones. Cuvier on, 90 



Foulis and Tilloctis Jfereotypc/ 



Fourcroy on alumine, 28 



Free (^Economical Ss:iety of Pe- 

 terjburgh, \ 84. 



French National Infiitute, 87, 177 

 Fuel. On increafing the heat of* 



r- 



Galvanic experiments, 41, 85, 87, 



i - 93, 37 ° 



Galvancmeter. A newly-invented 



38 



Gcd's fiereotxpe. Specimen of, 



272 



Gelatinous alumine, what, 152 



Geography, 5,183,368. A pri ze 



queftion, 170; 



Germination. Experiments on, 



371 

 Gnats, On the production of, 354 



Gott % 



