of the circular polarization of magnetically 
remarks on Prof. Kohnstamm’s 
lines (The degree of completen 
divided). 345. 
LINES OP force (On the theory of the ZEEMAN-effect in a direction inclined to the). 321. 
liquids (On the influence of the pressure on the miscibility of two). 235. 
lophius pjscatorius (On the motor facialis and abducens nucleus of). 44. 
lorentz (H. a.) presents a paper of Mr. J. J. van Laar: “ On the solid state”. 
IL 26. III. 120. IV. 133. 
— On the theory of the ZEEMAN-effect in a direction inclined to the lines of force. 321. 
— presents a paper of Dr. J. A. Voli.graff Remarks on the experiments of 
Wilson and Martin on the velocity of rotation of the electric discharge in gases 
in a radial magnetic field”. 428. 
— presents a paper of Mr. J. J. van Laar: “Some remarks suggested by a paper 
by Messrs. Timmermans and Kohnstamm”. 454. 
— presents a paper of Mr. J. J. van Laa 
reply”. 617. 
L o r i a (ST). The magneto optic KERR-eflect in ferromagnetic compounds and alloys. 835. 
magnetic FIELD (Remarks on the experiments of Wilson and Martin on the velocity 
of rotation of the electric discharge in gases in a radial). 428. 
magnetization (Researches on) at very low temperatures. 649. 
— (Researches on the) of liquid and solid oxygen. 799. 
martyn (Remarks on the experiments of Wilson and) on the velocity of rotation 
of the electric discharge in gases in a radial magnetic field. 428. 
Mathematics. J. Cardinaal: “The constructive determination of the velocities of a 
spacial system”. 12. 
— S. L. van Oss: “On pentaspheric geometry”. 19. 
— M. J. van Uven : “Investigation of the functions which can be built up by 
means of infinitesimal iteration. Contribution to the solution of the functional 
equation of Abel”. 208. 
L. E. J. Brouwer: “Continuous one-one transformations of surfaces in themselves.” 
2nd Communication. 286. 
— P. Brandsen: “On the Stable positions of equilibrium of floating parallel- 
epipeda”. 383. 
— M. J. van Uven: “Investigation of the functions which can be built up by 
means of infinitesimal iteration.” 427. 
~ M - J * ?AN UvEN: “ 0n the 0rbit9 °f a function obtained by infinitesimal iteration 
in its complex plane”. 503. 
— H. J. E. Both: “The oscillations abont a position of equilibrium where a simple 
linear relation exists between the frequencies of the principal stations”. 1st part 
619. 2nd part. 735. 
— Jan de Vries : “On pairs of points which are associated with respect to a 
plane cubic.*’ 7 jl. 
— L. E. J. Brouwer: "On 
Communication. 716. 
— W. van der Woude; “The cubic involution of the first rank in the plane.” 751. 
distributions 
surfaces” 2nd 
