COON TE NET Se VII 
DORSMAN (c.), H. KAMERLINGH Onnes and Sopuus Weger. Investigations on the 
viscosity of gases at low temperatures. 1. Hydrogen. 1386. 
DUBSKY (J. v.) and A. P. N. Francuimont. Contribution to the knowledge of the 
direct nitration of aliphatic imino compounds. 207. 
pyesTurrs (The distribution of) between two solvents, Contribution to the theory of 
dyeing. 482. 
DYNAMIC researches concerning the reaction of FrirpEL and Crarts. 1069, 
EAST-INDIAN ARCHIPELAGO (The correlation between atmospheric pressure and rainfall 
in the) in connection with the 3,5 yearly barometric period. 454, 
EAST MONSOON in Java (A long range weather forecast for the) 1063. 
ECK (J. J. VAN) and L. vaN IrALue. On the occurrence of metals in the liver. 850. 
ecLipsi (The total solar radiation during the annular) on April 17th, 1912. 1451. 
EHRENFEST (P.) On EINsrern’s theory of the stationary gravitation field. 1187. 
EINSTEIN’S theory (On) of the stationary gravitation field, 1187. 
EINTHOVEN (w.) presents a paper of Prof. L. van IrALLIE and Dr. J. J. van 
Eck: “On the occurrence of metals in the liver”. 850. 
ELECTRIC PROPERTIES (The piezo-electric and pyro-) of quartz at low temperatures 
down to that of liquid hydrogen. 1380. 
ELECTRICAL RESISTANCE (On the change induced by pressure in) at low temperatures, 
Ee Od. 
ELECTROCARDIOGRAM (The) of the foetal heart. 1360. 
ELECTROMAGNETIC WAVES (The diffraction of) by a erystal. 1271. 
ELTE (BE. L.). The scale of regularity of polytopes. 200. 
ENANTIOTROPY (Monotropy and) for liquids. 361. 
END-POINTs (On critical) in ternary systems. II. 184, 
ENERGY (On the law of the partition of). 1175. IL. 1355. 
ENTROPY PRINCIPLE (On the deduction of the equation of state from BourzMann’s), 240, 
, — On the deduction from BOLTZMANN’s) of the second virial-coefticient for mate- 
rial particles (in the limit rigid spheres of central symmetry), which exert cen- 
tral forces upon each other and for rigid spheres of central symmetry containing 
an electric doublet at their centre. 256. 
ENZYMES (On the composition of tyrosinase from two). 932. 
EQUATION (On a differential) of ScHrärLr. 27. 
EQUATION OF STATE (On the deduction of the) from Botrzmann’s entropy principle. 240. 
— (The empirical reduced) for argon. 273. 
— (Some remarks on the course of the variability of the quantity 5 of the). 1131. 
EQUATIONS (Homogeneous linear differential) of order two with given relation between 
two particular integrals (5th Communication). 2, 
— (New researches upon the centra of the integrals which satisfy dn 
of the first order and the first degree. 2nd part. 46. 
EQUILIBRIA in ternary systems. I. 700. IL. 853. LIT. 867. LV. 1200. V. 1213. VL 
1298. VIL. 1313. 
— (On velocities of reaction and). 1109, 
EQUILIBRIUM (The) Tetragonal Tin <2 Rhombic Tin. 839, 
