C 4.74 ] 



INDEX TO VOL. XLV. 



/i CCUM on Gas Liglit, 372 



Acid, Prussic, a deadly poiwri, 6S, 7G; 

 GfiLtic. On, 75; »SV)/'!f. On, 469 

 ^ftrfi do not all contain oxygen, 306 

 Acoustics, 26 



Aerolites. A fall of, 2f,, 230 



Africa. Travels in, 368 



Agriculture. Improvempnts in, sug- 

 gested, 12, S03; Chine<ie, 313 

 Atcnhid. Composition of, 230 

 Algebra. On rules in, 15, 187 

 Ampere oil numerical proportions in 

 combinations, 109, 188, 344 

 Analyses of nitrogen, 20 

 Anatomy of the brain, 44; of the eye, 

 65 

 Animal mngnetism, in China, 74 

 Antimonium tartarisatuir,. To prepare, 

 302 

 Apis, The god. Who ? 293 

 Asphallum. Remarks on, 206 

 A.ilrmiomy. I^owe on star Polaris, '2 1 ; 

 ancient observations of solstice and 

 equinox, 3S7; Herschel on satellites 

 of Gcorgium Sidiis, 470 

 Atmospheric stores. A fall of, 23, 230 

 Azoic. Analyses of, 20 

 Azure of ancients, 355, 419 

 Bacon (Lord). Brief history of, 143 

 BakeweU's Ge-lngy a;;a'Sec(wm of North 

 of England, 81, 297; remarks on, 

 172, 219, 264,452 

 Barrow (Dr.). Brief history of his dis- 

 coveries, 147 

 Bats of enormous size in India, 167 

 BenrjfCs description of TenerifTe, 248 

 Biogrnphy. E. H. Delavai, 29 

 Biot on light', 382 

 Bi%trc. On nature of, 273 

 Bitumen, Remarks on, 207 

 Blacks and ircuns of the ancients, 4J7 

 Blue coloursof the ancient!.. On, 355,419 

 Boolcs. New, 63,139.237,366,468 

 Botany, 3, 183, 231 310 

 Brain. Anatomy and physiology of, 

 44, 129, 193,314 

 Branded lectures,l53, 225,305,376,471 

 Breivster on optical properties of 



bodies, 118,235 



Brma colliery, 450 



Bnckavnan on steam-boats, I'Bl 



Calorific powers oj cjlmrs- On, 401, 

 410, 422 

 Ca mpbdl's^ travels, MH 



Carbonate of am>nn7iia, an excellent 

 niaiuire, 303 



Carbonate of bcinjlcs. Optical proper- 

 ties of, " J 21 

 Gary's Meteorological Tables, 80. 160, 

 240, 320, 400, 473 

 Cavendish. Discoveries of, 305 

 Chamrlfin. On the, 156 

 Charcoal, its oxidizing power with wa- 

 ter, 23; discovered to be a metallic 

 compound, 156 

 Chemical combinations. Nuiiicric.il pro- 

 portions in, 10;», !,ss, S41- 

 Chemual philosophy. Walker's oiulines 

 of, 1 U, 424 

 Children's galvanic battery, 471 

 Clarke an pyramids of Egs pi, 19,3,285 

 ■Clock, eleclrical, ' 261 

 Clocks. On rate of going of, 1 7u, 388 ; 

 isochronous, 464 

 Coal formal7ii7is. On, 300,363 

 Coal gas. Remarks on production of, 

 205 

 Coat-mines. On accidents in. and means 

 of preventing, 71, 116,286. 314, 

 364, 436,459 

 Cold. Effects of in Russia, 234 

 Coloured frits employed for paints,355, 

 420 

 Colours. On ancient, 151,222,349, 

 4 16; effects of, 156; calorific powers 

 of, 401,422 

 Conrhnlogy, 274 

 CTaniology. Forster on, 44,129,314 

 Crystallography, 109 

 Dacy (SirH.) on iodine, S04; on the 

 paints of the ancients, 151, 349, 414 

 DeLavol, E. H. Biography of, 29 

 De Luc on Donovan's hypotheses, 97 ; 

 answer to, 200; on BakeweU's geo- 

 logy of Northumberland. 264; re- 

 > ply to Donovan, 329; on rates of 

 going of clocks, 388 ; on electric co- 

 lumn of, 469 

 DtUon on algebraic multiplication, 187 

 Donovan on electricity, 154, 222, SOS, 

 331; answer to Del.uc, 200; reply,329 

 Doubly refractiug crystals. On struc- 

 ture of, " 12<!: 

 Dyer's History of Cambridge, 140 

 Earth, the. On surface of, 452 

 Electric moving poiter, 67, 68, 261, 359 

 Electricity, Murray on phenomena of, 

 3,S; machine moved by, 38, 68, 261; 



