INDEX. 



PACE 



Absorbents, connexion with the 



veins ..... 458 

 Accidental colours, Mr. Cooper on 427 

 Accidental colours, theory of . 208 

 Aconitin . . . . . 70 

 Adansonia digitata . , .37 

 Air, absorption of by water . . 170 



law of the density of . . 337 



Alkalies, effect of on vegetables . 153 

 Alum mordant, action of on copper 



mordant . , . . . 375 

 Alumina, silicates of . . . 359 

 Amagain South America, history of 217 

 Ammonia; ferro-cyanodide of . 233 

 Animal substances, modes of pre- 

 serving ..... 390 

 Anona squamosa . . . .37 



reticulata . . . . ib. 



Antimony, chloro-sulphuret of . 232 

 Antimony, preparation of free from 



arsenic 448 



Antiquity, notions of derived from 



the ancients .... 387 

 Apirin . . . . . 70 

 Arachnide, a new . . . 146 

 Argostoli, rivulets of sea water at 382 

 Artocarpus musa, or bread fruit . 37 

 Aspidium dumetorum, a diseased 



state of A. dilatatum . . .68 

 Atmosphere in relation to malaria . 217 

 Atmospheric air, composition of . 448 



electricity . . 229 



Atropin, properties of . . . 149 



, salts of . . . .150 



Attraction capillary, on , . 344 



, homo-chromatic . .212 



Aurora borealis, always high in the 



atmosphere . . ' . . 227 

 Austrian mines, state of . .221 

 Averrhoa carambola, or kunnul . 36 

 Azote, new mode of preparing . 74 

 Azimuth circle of Troughton . 133 



Barytes carbonate, utility of in ana- 

 lyses 232 



Beamish, T.C.on naval architecture 66 

 Becquerel, production of minerals 



by 398 



Beddoes, Dr., correspondence with 

 Sir Humphry Davy . . 4 



Beer, acid 472 



Belfast Museum .... 470 

 Belladonna neutralized by oxide of 



zinc 73 



Berzelius, opinion by Mr. Davy of 111 

 Bentbam on Eriogoneae and Ho- 



sackia, &c. . . . . 145 

 Black from logwood & iron mordant 62 

 Blood, chemical analysis of . .116 



, salts of the . . .125 



Blue from alum and copper mor- 

 dant with logwood . . . 374 

 Blueish gray from cochineal . .199 

 Boase, Dr., on a new oxide . . 22 

 Bohemia, mines of . . . 230 

 Bombay, catalogue of plants col- 

 lected at . ' . . . .35 



PAGE 



Bombax heptapliyllum affords bad 



cotton Ill 



Bombic acid 153 



Borda's repeating circle . . 73 

 Botanist the, a new publication . 376 

 Bran, action of in dyeing . . 453 

 Brain, treatment of diseases of the 392 

 Brazilin, properties of . . . 148 

 Bread fruit tree . . . .37 

 Bridges suspension, employmentof 



iron in 237 



Bristol Pneumatic Institution . 4 

 Bromine and oxygen, compounds of 234 

 Brown from alum and copper mor- 

 dants 371 



Brown from quercitron and iron 



mordant 60 



oak bark and ditto . ib. 



tannin and ditto . 62 



Brown red from alumina and iron 206 

 Bullock's heart, a fruit . . 37 



Cactin 146 



Calcaire grossiere . . .78 



Calculi of uric acid in the biliary 



canals 151 



Canellabark .... 229 



oil of . . . . 237 



Caoutchouc, plants containing . 388 

 Capillary attraction, on . . 349 



Carbonates, solubility of some in 



sal ammoniac . . . .443 

 Carbonic acid in the atmosphere, 



proposal for detecting . . 228 

 Carinthia, mines of . . . 222 

 Carniola, mines of . , . 222 

 Cartago, experiments on the atmos- 

 phere at . . . . . 214 

 Chameleon, new species of . . 147 

 Charlesworth, Mr., on tertiary de- 

 posits 465 



Chlorocinnose .... 283 

 Christison, Dr., on conein . . 224 

 Cinnamic acid .... 237 

 Circles, six inch of Kater . . 44 

 Circummeridian observations . 127 

 Clark, Dr., on a difficulty in iso- 

 morphism . . . .45 

 Coal fields of South Wales . . 382 

 Cochineal from Ararat, new species 



of 449 



Cochineal, blueish gray from . 199 



Colchicin 79 



Colours, seven primary . .211 



Columbite 411 



Concretions in the knee of an old 



man ... . . 159 



Conein, properties of . . 224, 229 

 Cooper, Mr. P., on capillary attrac- 

 tion . . . . . 344 

 Cooper, Mr., on accidental colours 

 Copper pyrites, analysis of . . 15P 



sheathing protectors . . 162 



■ — mordants . . .201 



Copper reduces mercurial salts . 454 

 — — - — salts, reduction of by phos- 

 phorus 444 



