INDEX TO VOL. X, 



i\ CHROMATIC light In solar and oxy- 



hydrogen microscopes, 184. 



Acids: — anhydrous sulphuric, 157; anilic, 

 325; bombic, 323; boracic, 4l9; car- 

 bonic, 158, 496; iodic, 93; mellitic, 

 159; nitric, 172, 269, 27P, 326; nitro- 

 sulphuric, 489; oenanthic, 418, 422; pe- 

 riodic, 325 ; phosiphoric, 217, 218; pi- 

 cric, 325; sulphindylio, 324 ; sulphopur- 

 puric, 324; sulphuric, 324; sulphurous, 

 235 ; xanthoniethilic, 488. 



iEther, oenanthic, 418. 



Afzelius (A.), notice of, 470. 



Albumen, nature and properties of, 85; 

 action of electricity on, 357 ; and bichlo- 

 ride of mercury, compound of, 420. 



Alcohol and indigo, their analogy consi- 

 dered in their combination with sulphuric 

 acid, 324. 



Alkalis, vegetable, action of iodine on the, 

 500. 



Aloe plant of Socotra, 226. 



Amidone, solubility of, 247. 



Ammonia, solvent action of muriate and 

 nitrate of, 95, 178, 333. 



Amphibole, analysis of, 238. 



Analysis, a new theorem in, 28. 



Anchor, found at Seaton, 10. 



Andrews (Prof.) on thermo-electric cur- 

 rents, 433. 



Anorthite and btotine, identity of, 368. 



Antimoniuretted hydrogen, 343. 



AraneidsD, a new genus and some unde- 

 scribed species of, 100. 



Arch, oblique, "4, 167. 



Argonauta, Linn., 303. 



Arsenic, vegetation in a solution of, 324 ; 

 Marsh's test for, 353. 



Artificial crystals, results of experiments on 

 the production of, 171. 



Artificial substance resembling shell, 201. 



Accent of mountains, on the, 261. 



Asia Minor, geology of, 68. 



Astronomical Society, 227. 



Astronomy : — on the solar eclipse of May 

 15, 180; Wrottesley's catalogue of the 

 right ascensions of 1318 stars, 227 ; pro- 

 jectionsof maps and charts, 229; Struve's 

 work on the measure of double stars, 

 229 ; remarkable phenomenon that «)r- 

 curs in eclipses of the sun, 230; aurora 

 borealis, 75, 76, 77, 265, 494, 495. 



Augite, analysis of, 237. 



Aurora borealis, 75, 76, 77, 265»494, 495. 

 Third Series. Vol. 10. 3 



Babbage (C.) on some Impressions in sand- 

 stone, 474. 



Babington (C. C.) on some species of 

 Polygonum and Fagopvrura, 223. 



Baily (F.) on a remarkable phenomenon 

 that occurs in total and annular eclipses 

 of the sun. 230. 



Bale ( Rev. 8. ), notice of, 464. 



Ball (R.) on the seals of Ireland, 487. 



Barton (J.) on the physical causes of the 

 phenomena of heat, 342. 



Baryto-calcite, composition of the, 373. 



Becquerel (M.) on the reduction of metals 

 by electricity, 154; on an electro-mag- 

 netic balance, and on a battery with in- 

 variable currents, 358. 



Bennett (E. T.), notice of, 465. 



Berzelius (Baron), a Copley medal award- 

 ed to, 212. 



Bianchi (Prof.) on a new sidereal cata- 

 logue, 67. 



Biotine and anorthite, identity of, 368. 



Bird (G.) on the nature and properties of 

 albumen, &c., 85 ; on the action of elec- 

 tricity on albumen, 357 ; on electric cur- 

 rents of low tension, 376. 



Elackwall (J.) on a new genus and unde- 

 scribed species of Araneidae, 100. 



Boase (Di.) on Mr. Hopkins's researches 

 in physical geology, 14 ; on the compo, 

 sition and origin of porcelain earth, 348. 



Boron, preparation of, 419. 



Botany ; — classification of vegetables, 37» 

 108 ; a grass (Spartina glabra) new to the 

 , British Flora, 71 ; on the Esula major 

 Germanica of Lobel, 7 1 ; on the tree from 

 which the Indians prepare th« poison 

 called wooraly or ourary, 72 ; Aphy- 

 teia Hydnora and Cynomorium cocci- 

 neum, 73; descriptions of two species of 

 Coniferte, 73 ; notice of M. Jussieu, 

 153 ; descriptions of Polygonum and Fa- 

 gopyrum, 223; Polygonum dumetorum 

 and Epipac is purpurata, 225; manna 

 of Mount Sinai, dragon's blood tree 

 and aloe plant of Socotra, 226 ; on the 

 absorbent powers of the roots of trees, 

 488; on the hymenium of fungi, 492; 

 ascent of the sap, 494. 

 Brain, human, 286 ; on the accumulation 

 of fluid in the, 316; in marsupial ani- 

 mals, 222. 

 Brett (R. H.) on the solvent action of nou- 

 riate and nitrate of amu.onia, 95, 333. 



