CO NAMEN, Tse XIX 
Physics. L. H. Siertsema: ‘Determinations of the refractive indices of gases under 
high pressures”. 2nd Communication. 925. 
— H. KAMERLINGH Onnes and Benet BECKMAN: “On the change induced by 
pressure in electrical resistance at low temperatures”. [. 947. 
— J. D. van ver Waats: ‘The law of corresponding states for different substan- 
ces’. 971. 
— Ph. Konnstamm and J. Timmermans: “Experimental investigations concerning 
the miscibility of liquids at pressures to 3000 atmospheres’. 1021. 
— L. S. Ornsremn: “On the thermodynamical functions for mixtures of reacting 
components”. 1100. 
— R. W. Woop and P. Zeeman: “A method for obtaining narrow absorption lines 
of metallic vapours for investigations in strong magnetic fields’. 1129. 
— P. ZEEMAN: ‘The red lithium line”. 1130. 
— J. D. vaN DER Waats: “Some remarks on the course of the variability of the 
quantity 4 of the equation of state”, 1131. 
— J. P. Kuenen: “The coefficient of diffusion for gases according to O. E. Meyer”. 
1162. 
— J. D. van ver Waats Jr.: “On the law of the partition of energy’. 1175. 
II, 1355. 
— P. Enrenrest: “On EINsTEIN’s theory of the stationary gravitation field”. 1187. 
— L. &. Ornstein; “The diffraction of electromagnetic waves by a crystal”. 1271. 
— H. KAMERLINGH Onnes and Mrs. ANNA BECKMAN: “On piezo-electric and 
pyro-electrie properties of quartz at low temperatures down to that of liquid 
hydrogen”. 1380. 
— Benet Beckman: ‘Measurements on resistance of a pyrite at low temperatures 
down to the melting point of hydrogen”. 1384. 
— H. KaAMERLINGH ONNEs, C. DorsMAN and Soenus WeBer: “Investigations on the 
viscosity of gases at low temperatures. I. Hydrogen”. 1386. 
— H. KAMERLINGH ONNEs and Sopnus Weser: “Investigations on the viscosity 
of gases at low temperatures. II. Helium. 1396. III. Comparison of the results 
obtained with the law of corresponding states”. 1399. 
— H. KAMRRLINGH Onnes and E, OosreruHuis: “Magnetic researches. VIII. On 
the susceptibility of gaseous oxygen at low temperatures’. 1404. 
— H. KAMERLINGH Onnes: “Further experiments with liquid helium”. H. VIL. 
1406. 
— Madame P. Curie and H. KamerLiNGH Onnes: “The radiation of Radium at 
the temperature of liquid hydrogen”. 1430. 
Physiology. J. SNAPPER: “Comparative researches on young and old eryihrocytes”’. 282 
— ©, A. PrEKELHARING: “Influence of some inorganic salts on the action of the 
lipase of the pancreas”. 336. 
— L. J. J. Muskens: “The posterior longitudinal fascicle and the manege move- 
ment”. 727. 
— J. H. M. Kressens: “Form and function of the trunk dermatome tested by 
the strychnine-segmentzones”. 740. 
