515 



Poincare (H.) Sur la Diffraction des Ondes Electriques : :\ propos d'un Article de 

 M. Macdonald, 42. 



Poison of the Hydrophidse, physiological action of (Rogers), 305. 



Pope (W. J.) and Peachey (S. J.) A New Class of Organo-Tin Compounds con- 

 taining Halogens, 7. 



Foynting (J. II.) Radiation in the Solar System : its Effect on Temperature and 

 its Pressure on Small Bodies, 265. 



Pressure, effect of momentary relief of (Buchanan), 88. 



Rabid brain substance, disintegration of (Barratt), 353. 

 Radiation in solar system, temperature and pressure effects (Poynling), 265. 

 Radiation of helium and mercury in a magnetic field (Gray and Stewart), 16. 

 Radiations, ultra-violet, effect on bacteria (Barnard and Morgan), 126. 

 Radio-activity, experiments in (Ramsay and Soddy), 204; correlation with 



luminosity (Armstrong and Lowry), 258. 



Radium bromide, oxidising action of rays from (Hardy and Willcock), 200. 

 Radium emanation, effect of extreme cold on (Crookes and Dewar), 69. 

 Radium, intensely penetrating rays of (Strutt), 208. 

 Radium, production of helium from (Ramsay and Soddy), 204. 

 Radium rays, the sensation of light produced by (Hardy and Anderson), 393. 

 Radium, spectrum of radiation of (Huggins and Huggins), 196, 409. 

 Radium, ultra-violet spectrum of (Crookes), 295, 413. 

 Ramsay (Sir W.) and Soddy (F.) Experiments in Radioactivity, and the 



Production of Helium from Radium, 204. 

 Ranuden (W.) Separation of Solids in the Surface-layers of Solutions and 



"Suspensions." Preliminary account, 156. 

 Ransom (F.) See Meyer and Ransom. 



Rayleigh (Lord) On the Bending of Waves round a Spherical Obstacle, 40. 

 Reduction phenomena of animals and plants (Farmer and Moore), 104. 

 Refraction in gases, theory of (Walker), 24. 

 Reptilian remains from Trias of Elgin (Boulenger), 55. 



Rogers (L.) On the Physiological Action of the Poison of the Hydrophidts. 

 Part II. Action on the Circulatory, Respiratory, and Nervous Systems, 305 : 



On the Physiological Action and Antidotes of Colubrine and Yiperine Snake 



Venoms, 419. 



Schmitz (H. E.) On the Determination of Specific Heats, especially at Low 



Temperatures, 177. 

 Schott (O. A.) Note on Calculation of Magnetic Elongation of Cylindrical Bars, 



375. 



Schunck (C. A.) The Xanthophyll Group of Yellow Colouring Matters, 165. 

 Shaw (P E ) The Magnetic Expansion of some of the Less Magnetic Metals, 370. 

 Shaw (W. N.) and Dines (W. H ) Meteorological Observations obtained by the 



Use of Kites off the West Coast of Scotland, 1902, 13. 

 Sherrington (C. S.) See Griinbaum and Sherrington. 

 Snake venoms, physiological action and antidotes of (Rogers), 419. 

 Soddy (F.) See Ramsay and Soddy. . 



Sollas ( W J ) A Method for the Investigation of Fossils by Serial Sections, 98 ; 



- and Sollas (I. B. J.) An Account of the Devonian I ish, Palvo- 



.vpOHrf/y/w.9 Qunni, Traquair, 93. 



Solution, measurement of diffusion of salts in (Graham), 212. ,-, , 



Solution^ "suspensions," separation of solids in surface -layers of (Ramscen), 



156. 



