E m 2 

 INDEX TO VOL. LVI. 



yl CADEMY 'fScienfts, Paris, 307 

 /t'nii'my ofSaences, &c. nf Coen. 'iSy 

 ■rlfrolitn, 156,397 



/Igriailture. Improvements in, 3i 1 , 395, 

 41 •> 

 jIUnhol Meter. A new one, 2C'9 



Alkalies, new, l-!9. 392 



Ampeie''! discoveries in voltaic electri- 

 city, 508 

 A'lahj'is of an aerolite, 157; of wodan 

 pyrites, 227 ; of the Piper ciibeba, 

 227; of arsenical nickel, 295 

 A-imal matter. Experiments on, 131 

 Antarctic fonlivciil, discovered, 93 

 Antuj-Alies, Ijidian, 531 

 Apricot-trees, standard, 461 

 Aquatic Plants. On vegetation of, 457 

 A'agii's ocular micromeJer. On, 401 

 A'akntsJia. Properties of, 150 

 A'tuliis. Sugar and spirits made from, 

 406 

 Arctic V'l/nse, 7819, 1S20, 226, 312, 

 383 ; land expedition, 230, 313, 389, 

 440 

 Arrngonite. Bclzoni's Soros, one mass 

 "f, 453 

 Arsenicnl nickel, Uc. Analysis of, 295 

 Asiatic Sncieiy, 58,147 

 Aftrovomiral. Sncicty nf London, 382 , 453 

 Astronomy, 14, 17, 35, 76, 154, 212, 

 261, 465, 469, 471 

 Atmospherical pherinmenon, 158 

 Atrnpia. A new alkali, 149 

 Aurjra inreitlis. On, 175 

 Banks, (Sir J.) biographical memoirs 

 of, 40,161,241 

 Birometric olservnliovs, 318, 398,467 

 Bat, found alive in the heart of a trpe, 

 460 

 Bfasls. On fattening, 425 

 Benzoic add. Vofcl on, 309 

 Bertlrc on arsenical nickel, &c. 295 

 Herxeiiis. Annuity to, S92 

 Bcvans "hscrvati'.n iif eclij se. On, 435 

 Bera)i\ Barometric Observations, 468 

 Bnard <f L-veU-ide. On tables by, 288 

 Bt'inycoftle on influence of masses of 

 iron on mariners' compass, S46 

 Bo<.ks,nev/, 47, 145, 147, 218,300, 373, 

 445 

 Bjraiic acid, 149 

 Botany. Physiology of, 3 

 B>-nco>in.ot's experiments on animal )iiat- 



^f? 



i'Jl 



B'ovde on coal and oil gas, 200 



B'tnkley on oljliruity of ecliptic, 212 

 BmcA- ■«'?«/'..■ hraugiirai Lecture. On, )0 

 Curr.i-ndge Pini snph.ra: Ho.ifty, 453 

 Carrots. On culture of, 412 



Cartu-riahi's remedy for mildew, 395 

 Cariu:righi's Pedo motive machine, 462 

 Ceradic ctid, 394 



Cliairi bridge over the Tweed, '■'• 14 



Chrome, combination of with sulphur, 



433 

 Clark (Dr. James), Medical notes by, 

 50 

 Comet pi \B]9, 158 



Cnvgtlatioit iif'wn'er. New process, 436 

 Connnifsance des Terns for 1820. On 

 the, 359 



Coo^jTi^, economical, 151 



Cupper-plate printing. New process for, 



152 

 Corn. On early reaping, 311 



Cule mot. New metliod of extracting, 



fiGO 

 Currants. To preserve fresh, 150 



Cycip,edia. Refs's, 218 



Dungfjh'd on Pauch Pandoo caves, 108 

 Da'-y (Sir H.) on ihe n'.Mgnetising ef- 

 fects of galvanism; speech of, 381, 



45(» 

 Davy on combinations of platinum, 330 

 Drrifavd Dimb, cured, 461 



Dehi'-e. On the, 10 



D'amcnrl. Brewster's opinion on ori- 

 gin of, 310 

 Discovery sh'p. Crania, ]ost, 89 

 Drfbl'ieon aurora borealis, 175 

 Do-uhle refrncliov. To ascertain, 310 

 Diy rot. On, ?,'^G 

 D yrf'l in ship';, to prevent, 4G'2 

 D;pi.is Travels in Great Britain, 55 

 ^l/'^ng. Improvement in, 130 

 EaUh, Experiments on the figure of, 



228 

 Earfh'^uake, 463 



Ellipse, soiar, of 7th September, 154, 

 2y2. 300 

 Erlipses. Catalogue of, 17,287 



Echpiic. On obliquitv of, 2 12 



Eel. An extraordinary, 4611 



E/:gs, to preserve, 46.> 



Elder leave.i drive away vermin, 31 1 

 E'ettriiily. I'hillips on, 195 



Etcctro-mi:^nctic experiments, 381, 294 

 i'/.'iiie. Caves at, ' 231' 



