GON. 2D BAN TS xI 
Licat (On the influence of an electric field on the) transmitted and dispersed by clouds. 415. 
— (On the diffraction of the) in the formation of halos. 1174. 
Liguips (Investigations on the temperature-coefficient of the free molecular surface- 
energy of) between —80° and 1650° C. XV. 381. XVI. 397, XVIL 405, 
LOBRY DE BRUYN (C. A.). v. BRUYN (C. A. Losey De). 
LORENTZ (H. A) presents a paper of Dr. J. J. van Laar: “On the fundamental 
values of the quantities 4 and y/a for different elements, in connection with the 
periodic system”. IL. 2. If. 287. IV. 295. 
— presents a paper of Mr. J. Droste: “The field of a single centre in Einstein's 
theory of gravitation, and the motion of a particle in that field”. 197. 
— presents a paper of Dr. W.J. pr Haas and Mrs, G. L. pr Haas-Lorenz: 
“An experiment of MAXWELL and Amefre’s molecular currents”. 248. 
— presents a paper of Mr. J. Trestine: “On the use of Third Degree terms in 
the energy of a deformed elastic body”. 281. 
— presents a paper of Mr. J. Droste: “The field of # moving centres in K1nsTEIN’s 
theory of gravitation”. 447. 
— presents a paper of Mr. J. M. Burcers “Note on the model of the hydrogen- 
molecule of Borr and Drsyz”. 480. 
— presents a paper of Prof. P. Eurenrest: “On adiabatic changes of a system in 
connection with the quantumtheory”. 576. 
— Some remarks on the theory of monatomic gases. 737. 
— On Hamivron’s principle in Erysretn’s theory of gravitation. 751. 
— presents a paper of Dr. G. Norpsrröm: “EINSTEIN'S theory of gravitation and 
HereLotz’s mechanics of continua”. 884. : 
— presents a paper of Mr. J. TREsLING: “The equations of the theory ‘of electrons 
in a gravitation field of Einstein deduced from a variation principle”. 892. 
— presents a paper of Mr. A. D. Fokker: ‘The virtual displacements of the 
electromagnetic and of the gravitational field in applications of HAMILTON’s variation 
principle”. 968. 
— presents a paper of Prof. L. S. ORNsTBIN and Dr. F. Zernike: “Contributions 
to the kinetic theory of solids”. I. 1289. If. 1295. [IL 1304. 
— presents a paper of Prof. L. S. Ornsrern and Dr. F. Zernike: “The influence 
of accidental deviations of density on the equation of state”. 1312. 
— presents a paper of Prof. L. S. Ornstein: “The clustering tendency of the 
molecules at the critical point”. 1321. 
— The dilatation of solid bodies by heat. 1324. 
— On Ernsrein’s theory of gravitation. I. 1341. IL 1354. 
MACULA-PLANES (On the determination of the position of the) and the planes of the 
semicircular canals in the cranium. 49, 
Mathematics. Jan pr Veres: “Pencils of twisted cubics on a cubic surface”. 97. 
— Hx. ve Veres: “The circles that cut a plane curve perpendicularly”. IL. 255. 
— Jan ve Vries: “A simply infinite system of hyperelliptical twisted curves of 
order five”. 271. 
— J.C. Kuurver: “On some numerical series considered by EvLER”. 275. 
