X CONTENTS. 



ka merlin gh on nes (h.) and Miss T. C. Jolles. Contributions to the know- 

 ledge of tbe ^/-surface of van der Waals. XIV. Graphical deduction of the 

 results of Kcenen's experiments on mixtures of ethane and nitrous oxide. 664. 



kamer Li ngh on nes (h.) and W. H. Keesom. Contributions to the knowledge 

 of the J»-surface of van der Waals. XII. On the gas phase sinking in the liquid 

 phase for binary mixtures. 501. XV. The case that one component is a gas 

 without cohesion with molecules that have extension. Limited miscibility of 

 two gases. 786. 



K a P T E Y N (w.). On a special class of homogeneous linear differential equations of 

 the second order. 406. 



k e e s o M (w. h.). Contribution to the knowledge of the ^- surface of van der 

 Waals. XIII. On the conditions for the sinking and again rising of the gas 

 phase in the liquid phase for binary mixtures. 508. Continued. 660. 



— and Kamerlingh Onnes (H.). Contributions to the knowledge of the ^-surface 

 of van der Waals. XII. On the gas phase sinking in the liquid phase for 

 binary mixtures. 501. XV. The case that one component is a gas without cohesion 

 with molecules that have extension. Limited miscibility of two gases. 786. 



kh'ïter (J. a). Some formulae concerning the integers less than n and prime to 



n. 408. 

 KOflNSTAMM (ph.). On the shape of the three-phase line solid-liquid-vapour fora 



binary mixture. 639. 



— On metastable and unstable equilibria solid-fluid. 648. 



korteweg (d. j.) presents a paper of L. E. J. Brouwer : "Polydimensional Vec- 

 tordistributions." 66. 



— presents a paper of L. E. J. Brouwer: " The force-field of the non-Euclidean 

 spaces with negative curvature". 116. 



— presents a paper of L. E. J. Brouwer: "The force-field of the non-Euclidean 

 spaces with positive curvature". 250. 



ku en en's experiments (Graphical deduction of the results of) on mixtures of ethane 

 and nitrous oxide. 664. 



laar (j. j. v a n). On the osmotic pressure of solutions of non-electrolytes, in con- 

 nection with the deviations from the laws of ideal gases. 53. 



— The shape of the spinodal and plaitpoint curves for binary mixtures of normal 

 substances. 4th Communication. The longitudinal plait. 226. 



LELY (a). Velocities of the current in an open Panama-canal. 849. 



light (Arbitrary distribution of) in dispersion bands, and its bearing on spectroscopy 



and astrophysics. 343. 

 linear system (The locus of the cusps of a threefold infinite) of plane cubics with 



six basepoints. 534. 

 liquid (A gas that sinks in a). 459. 

 liquid condition (On irreversible phase-transitions in substances which may exhibit 



more than one). 4 S3. 

 liquid phase (On the gas phase sinking in the) for binary mixtures. 501. 



— (On the conditions for the sinking and again rising of the gas phase in the) for 

 binary mixtures. 508. Continued. 660. 



