C {) N T E N -r S. XI 



JAEGER {v. M.) nnd II. riA(i.\. RöN'iGENpatteriis of RonK-ite, obkiineil above aiul 

 below its inversion-tenipenituie. 792. 



— and H. S. van Klooster. Studies in (lie field of silicate-chemistry, l. On com- 

 pounds of lithiumoxide and silica. 857. 



— and Ant. Simek. On temperature measurements of anisotropous bodies by means 

 of radiation-pyrometers. 7*.)9. 



J o X K E R (w. P. A.). Connexion between the adsorption-isotherm and the laws of 



Proust and Henry. 970. 

 JULIUS (w. II.) presents a paper of Dr. W. J. H. Moll: 'A quick coil i^alvano- 



nieter'''. 149. 



— On the interpretation of photosplieric- phenomena. 264. 



— presents a paper of Dr. W. J. H. Moll : "A rapid thermopile". 568. 

 kamerling (z.). On the regulation of the transpiration of Viscum album and 



Khipsalis Gassy tha. 1008. 



K A -M E R L I N G H O N N E S (h.). V. OnNES (H. KaMERLINGH). 



KAPTE YN (j. c.) presents a paper of Prof. M. J. Van Uven : "Tlie tlieory of 

 Bravais (on errors in space) for polydimensional space, with applications to 

 correlation. 1124'. 



KAPTEYN (w.) presents a paper of Dr. J. G. Hutgeks : "Applications of Somne's 

 extension of Abel's integralequation". 5S3. 



— On Uermite's functions. 1191, 

 KARYOKINESIS (On the nucleolus and) in Zygnema. II. 



KAWAii IDJEN (On horaoeogeneous inclusions of), Goentoer and Krakalau and their 



connection with the surrounding eruptive rocks. 995. 

 KEESOM (w. H.). On the equation of state of an ideal monatomic gas according to 



the quantum theory. 227. 



— On the theory of free electrons in metals. 236. 



— On the magnetization of ferromagnetic substances considered in connection with 

 the assumption of a zero-point energy. -454. II. 46S. 



— On the question whether at the absolute zero entropy changes on mixing. 669. 

 KEESOM (w. II.) and H, Kamerlingh Onnes Vapour pressures of hydrogen from 



the boiling point down to near the triple-point. 440. 

 KERR-EFPECT (The magueto-optic) in ferromagnetic compounds). IV. 3 IS. 

 KETONES (On the reduction of aromatic). 91. II. 962. 

 KETTNER (a), A. Smits and A. L. W. de Gek. Ou the pyrophoric phenomenon 



in metals. 999. 

 kloedenella Ulricfi and Bassler (Contribution to the knowledge of the geuus). 1105. 

 KLOOSTER (a s. van) and F. M. Jaeger, Studies in the field of Silicate-Chemistry. 



I. On compounds of lithiumoxide and silica. 857- 

 Kohnstamm (ph.) and K. W. V\/'alstra. An apparatus for the determination of 



gas isotherms up to about 3000 atiii. 754. 822. 

 KORTE weg (o. J.) presents a paper of Dr. 11. J. E. Beth: '-The envelope of the 



osculating ellipses, which are described by the representative point of a vibrating 



mechanism having two degrees of freedom of nearly equal frequencies". 938. 



