564- 



INDEX to VOL, XXVIII. 



ABBOTT (T. K.) on the probability 

 of testimony and arguments., 12. 



Aerolites, notes on, 148. 



Air-pump, on a new, 235. 



Akin (C. K.) on the history of force, 

 470 ; on ray-transmutation, 554. 



Alps, on the conformation of the, 255, 

 293. 



Aqueduct of Alatri, on the, 406. 



Arseniates, on some crystallized, 232. 



Atkinson (Dr. E.), chemical notices 

 by, 225. 



Barometer, on the, as an indicator of 

 the earth's rotation and of the sun's 

 distance, 55. 



scales, on the discrepance be- 

 tween the English and French, 8, 

 484, 



Barrett (W. F.) on a physical analysis 

 of the human breath, 108. 



Bentham (G.) on the influence of heat- 

 force on vegetable life, 400. 



Biliverdine, on the supposed identity 

 of, with chlorophyll, 63. 



Bishop (J.) on the influence of the 

 pitch of the tuning-fork on the 

 human voice, 349. 



Blood, on the reduction and oxidation 

 of the colouring matter of the, 391. 



Bodies, on the molecular constitution 

 and mechanical properties of, 276. 



Bottger (Prof. R.) on zeiodelite and 

 its applications, 326. 



Bohn (Prof.) on the conservation of 

 energy, 311. 



Books, new : — Apjohn's Manual of 

 the Metalloids, 59, 160; Church's 

 Agricultural Chemistry, 390 ; 

 Darby's Astronomical Observer, 

 561. 



Breath, human, on a physical analy- 

 sis of the, 108. 



Breithaupt (Prof. A.) on the quartz 

 from Euba, and on the biaxial cha- 

 racter of pyramidal and rhombo- 

 hedral crystals, 190. 



Brunner (M.) on the action of hydro- 

 gen on metallic solutions, 226. 



Buchner (M.) on the purification of 

 sulphuric acid, 22S. 



Bunsen (R.) on the inversion of the 

 absorption bands in the spectrum 

 of didymium, 246. 



Cahours (M.) on the respiration of 

 flowers, 167. 



Carboniferous enoch, on the climate 

 of the, 131. 



Carthamine, on the optical properties 

 of, 24/. 



Challis (Prof.) on a theory of the 

 dispersion of light, 489. 



Chase (P. E.) on the barometer as 

 an indicator of the earth's rota- 

 tion and of the sun's distance, 55 ; 

 on aerial tides, 154. 



Chautard (J.) on phenomena observed 

 in the spectra produced by the 

 light of induction-currents in 

 rarefied gases, 408. 



Chemical notices, 225. 



Chlorophyll, on the constitution of, 

 63. " 



Church (A. H.) on Tasmanite, 465. 



Claire Deville (M. St.-) on the per- 

 meability of iron to hvdrogen, 

 229. 



Climate, on the physical cause of the 

 change of, during geological epochs, 

 121. 



Cockle (Hon. Chief Justice) on the 

 operating symbol of differential co- 

 variants, 205. 



Cohesion-figures of liquids, on the, 

 354. 



