CONTENTS XVII 



SPINAL CORD (On ascending degeneration after partial section of the). 386. 



SPiNODAL LINES (On the course of the plaitpoint line and of the), also for the case 



that the mutual attraction of the molecules of one of the components of a binary 



mixture of normal substances is slight. 34. 

 STAR (|3 Lyrae as a double). 459. 



STAR-DENSITY (On the mean) at different distances from the solar system. 626. 

 STARINGIAN "zanddiluvium" (Considerations on the). 108. 

 STARTING IMPULSE (The) of magnetic disturbances. 773. 



Statistics. E. van Everdingen Jr.: "Relations between mortality of infants and high 



temperatures." 296. 

 STEIN (s. J.). |3 Lyrae as a double star. 459. 

 STOK (j. p. V A n d E r). The analysis of frequency curves of the air-temperature. 309. 



— On the analysis of frequency curves according to a general method. 799. 

 SULPHURIC ACID (The action of concentrated) on glycerol esters of saturated monobasic 



fatty acids. 855. 



SURFACE (On the cyclic minimal). 750, 



^ SURFACE of Van der Waals (Contribution to the knowledge of the). XV. The 

 case that one component is a gas without cohesion with molecules which have 

 extension. Limited miscibility of two gases. 2nd Continuation. 231. XVL On the 

 gasphase sinking in the liquid phase for binary mixtures in the case that the 

 molecules of one component exert only a feeble attraction. 274. 



SURFACES (Contribution to the knowledge of the) with constant mean curvature. 545, 



TACTILE DISCS (Physiological regeneration of neurofibrillar endnets) in the organ of 

 EiMER in the mole. 452. 



tegelen (On Dulichium vespiforme sp. nov. from the brick-earth of). 860. 



teichner's experiments (Kepetition of de Heen's and) on the critical state. 215. 



TEMPERATURE (The influence of) and magnetisation on selective absorption spectra. 

 578. n. 734. III. 839. 



TEMPERATURES (Ou the measurement of very low). XV, Calibration of some platinum- 

 resistance thermometers. 200. XVII. Determinations for testing purposes with the 

 hydrogen thermometer and the resistance thermometer, 422. XVIII. The deter- 

 mination of the absolute zero according to the hydrogen thermometer of constant 

 volume and the reduction of the readings on the normal hydrogen thermometer 

 to the absolute scale. 429. XIX. Derivation of the pressure coefiicient of helium 

 for the international helium thermometer and the reduction of the readings on 

 the helium thermometer to the absolute scale. 589. XX. Influence of the deviations 

 from the law of Boyle-Charles on the temperature measured on the scale of the 

 gas-thermometer of constant volume according to observations with this apparatus. 743. 



— (On the change of the resistance of the metals at very low) and' the influence 

 exerted on it by small amounts of admixtures. 207. 



■ — (Some remarks on the expansion of platinum at low). 343. 



— (Relations between mortality of infants and high). 296, 



— (The absorption spectra of the compounds of the rare earths at the) obtainable 

 with liquid hydrogen and their change by the magnetic field. 592. 



