X CONTEXTS 



JAEGER (f. m.) and Jül. Kahn. On some isomeric, complex cis- and transdietbylene- 

 diamine-salts of cobaltura, and on tri-ethylenediamine Zinc-cbloride. 292. 



— and R. ï. A. Mees. On complex salts of ferri-malonic acid. 283. 

 JATA. (On the miocene fauna of the West-Progo mountains in) 800. 



— (On the rate of denudation in) 838. 



JONG (a. w. k. de). The structure of Truxillic acidi. 590. 



— Action of solar light on cumarin. 875. 



— The double acid from normal- and allo-cinuamic acids. 1230. 



JONG (c. D e). Investigation concerning the precession-constant and the systematic 

 proper-motions of the stars. 956. 



JULIUS (w. H.) presents a paper of Dr. VV. J. H. Moll and Prof. L. S. Ornstein: 

 "Contribution to the research of liquid crystals. II. The influence of the tem- 

 perature on the extinction; further experiments upon the influence of the magnetic 

 lield. 210. 



— presents a paper of H. C. Burger: "On the theory of the Brownian move- 

 ment and the experiments of Brillouin. 642. 



Jupiter's satellites (Outlines of a new theory of). 1289. 1300. 



KAHN (JUL.) and F, M. Jaeger. On some isomeric, cis-and trans-diethylenediamine 



salts of Cobaltum, and on tri-ethylene-diamene zinc- chloride. 292. 

 KAISER (miss l.). On the refractory stage of the frogs' gastrocnemius. 1214. 



KAMERLINGH ON NES (H.). V. OnNES (H. KaMERUNOH). 



KAPTE IN (j. c.) presents a paper of Mr. W. J. A. Schouten: "On the parallax ot 

 some stellar clusters", Ist Comm. 1108. 



KAPTE YN (w.) presents a paper of Prof. A. Denjoy: "Sur une propriété des fonc- 

 tious de variable complexe" 877. 



KEESOM (w. H.) and H. Kamerlingh Onnes. The specific heat at low tem- 

 peratures. IV. Measurements of the specific heat of fusion of hydrogen. 1000. 



KIDNEYS (Experimental researches on the permeability of the) to glucose. 668. 



kinetic THEORY (The definiteness of macroscopic processes and the). 1049. 



KITTEN (On the behaviour of the Megakaryocytes in the spleen of the young). 971. 



k L E Y N (a. d e) and W. Storm van Leeuwen. Concerning vestibular eye-reflexes. 

 I. On the origin of caloric Nystagmus. 622. 



K L u Y V E R (J. c). On hyperellyptic integrals of deficiency ;; = 2, reducible by 

 a transformation of order r = 4. 330. 



KOOPMANS (a. n.) and G. Holst. On the sparking-potential of argon-nitrogen mix- 

 tures. 1026. 



K R u Y T (h. r.) and Miss J. E. M. van der Made. Contributions to the theory of 

 dyeing. 1st Communication. 636. 



KUENEN (j. P.) presents a paper of Mrs. T. Ehrenfest-afanassjewa: "The defini- 

 teness of macroscopic processes and the kinetic theory". 1049. 



laar (J. j. V a n). On the critical temperature and pressure of mercury and phos- 

 phorus. 138. 

 — On the fundamental values of the quantities b and )/a for difterent elements, 

 in connection with the periodic system. V 492 VI. 505. 



