537 ] 



INDEX to VOL. XXX 



Absalom (H. w. l.) on the 



ultra-violet transparency of certain 

 coloured media, 450. 

 Adiabatic invariants and the theory 



of quanta, on, 500, 514. 

 ^Ether, on evidence for the existence 



of the, 179. 

 Alpha particles, on the scattering of, 



by gases, 290. 

 Aluminium fluoride, on the positive 



ionization from, 233. 

 Ammonium iodide, on the structure 



of, 395. 

 Anderson (Prof. A.) on the focometry 



of lens-coinbinations, 157. 

 Anomalous dispersion, on the theory 



of, 496. 

 Arctowski (Dr. H.) on normal ano- 

 malies of the mean annual tempe- 

 rature variation, 487. 

 Ash worth (Dr. J. R.) on magnetic 



hysteresis, 334. 

 Atmosphere, on the motion of the, 



relatively to the earth, 457. 

 Atmospheric temperature variation, 

 on the normal anomalies of the, 

 487 ; 

 Atomic interaction, on molecular 

 refiactivity and, 92, 521. 



■ model, on an, 207. 



Auren (Dr. T. E.) on the absorption 



of X rays, 471. 

 Baker (H. A.) on the palaeozoic 

 platform beneath the London 

 basin, 296. 

 Baynes (R. E.) on the focometry of 

 lens-combinations, 357, 



^UN2 5J917 



• -^:;-." :"'...'. 



Beatty (Dr. R. TyTyfi-m&gydistri- 



bution in spectra, 49. 

 Berkeley (the Earl of), notes on 



osmotic theory, 261. 

 Biedermann (E. A.) on the energy 



in the electromagnetic field, 146. 

 Books, new: — ilunuaire du Bureau 

 des Longitudes, 380 ; Science 

 Progress, 533. 

 Burgers (J. M.) on adiabatic inva- 

 riants of mechanical systems, 514. 

 Cadmium, on the vapour pressure of, 



33. 

 Chapman (S.) on thermal diffusion, 



248. 

 Combustion of organic compounds, 

 on the relation of oxygen to the 

 heat of, 196. 

 Copper salts, on the positive ioni- 

 zation from, 230. 

 Crystal analysis, results of, 395. 

 Dalladay (A. J.) on a precision 

 method of uniting optical glass, 

 276. 

 Das (Prof. A. B.) on high vacuum- 

 spectra of gases, 253. 

 Dey (A.) on discontinuous wave- 

 motion, 203, 352. 

 Dispersion and the size of molecules 

 of hydrogen, oxygen, and nitrosren, 

 on, 215; on the theory of ano- 

 malous, 496. 

 Dootson (F.W.) on thermal diffusion, 



248. 

 Double-layer of solid and liquid 



bodies, 

 297. 



Phil. Mag, S. 6. Vol. 33. No. 198. June 1917. 



on the surface electric, 

 2P 



