O7O Nel EEN) Ds; XXI 
SCHREINEMAKERS (¥. A. H.) and Miss W. C. pr Baar, On the quaternary 
system KCl-CuClg-BaClo-H,C. 781. 
— Compounds of the arsenious oxide, I. 1111. 
SEEL1GER’s hypothesis (On) about the anomalies in the motion of the inner planets, 23. 
— (Remarks on Mr. WoLtseR’s paper concerning). 33. 
SILICATE-CHEMISTRY (Studies in the field of). IL. 239, III. 251. 
SIMEK (ANT) and F. M. Jarcer. Studies in the field of silicate-chemistry. II, 
239. IIT. 251. 
SITTER (W. DE) presents a paper of Mr. J. WortJer gr.: “On SEELIGER’s hypo- 
thesis about the anomalies in the motion of the inner planets”. 23. 
— Remarks on Mr. Woutynr’s paper concerning Srenicer’s hypothesis. 33. 
— The figure of the planet Jupiter. 1047. 
— On the mean radius of the earth, the intensity of gravity and the moon’s parallax. 1291, 
— On isostasy, the moment of inertia and the compression of the earth. 1295. 
— The motions of the lunar perigee and node and the figure of the moon, 1309 
SLUITER (Cc. H.). The influence. of the hydration and of the deviations from the ideal 
gas-laws in aqueous solutions of salts on the solidifying and the boiling-point. 1036, 
SMIT (M.) and I, M. Jarcer. The temperature-coefticients of the free-surface-energy 
of liquids at temperatures from —$0° C. to 1650° C. IL. 365. III, 381. 
SMITS (a). The metastable continuation of the mixed crystal series of pseudo- 
components in connection with the phenomenon allotropy. II, 672. 
— and Aven (A. H. W.). The application cf tle theory of allotropy to electro- 
motive equilibria. II. 37. IIL. 680. 
— and S. C. Boxuorsr. On the vapour pressure lines in the system phosphorus. II. 
678. III. 962. 
— Further particulars concerning the system phosphorus, 973. 
— and 8. Postma. The system ammoniawater. 182. 
SOAP-BUBBLE (On the measurement of the capillary pressure in a). 946, 
SODIUM-HYPOCHLORITE (Action of) on amides of z-oxyacids. 1163. 
SPECIFIC HEAT (The) at low temperatures. I. Measurements on the specific heat of lead 
between 14° and 80° K. and of copper between 15° and 22° Kk, 894. 
SPEK (JAC. VAN DER) and H. R. Kruyr. The connection between the limit 
value and the concentration of arsenie trisulphide sols. 1158, 
staRK-eflect (The universality of the Zeeman-eflect with respect to the) in canal-rays. 878 
STIELTJES (On an integral-formula of). 829. 
STOK (J. P. VAN DER). The treatment of frequencies of directed quantities. 586. 
— presents a paper of Mr. P, H. GarrÉ: “On the relation between departures 
from the normal in the strength of the trade-winds in the Atlantic Ocean and 
those in the waterlevel and temperature in the Northern European seas.’ 1147. 
STRING-GALVANOMETER (On the the theory of the) of EintHoven. 784. 
STROE (Comparison of the measuring bar used in the base measurement at) with the 
Dutch Metre n° 27. 300. 
SUBSTANCES ([sothermals of monatomic) and their binary mixtures. XVI, 275. 
— (Isothermals of di-atomic) and their binary mixtures. XV. 950, XVI. 959. 
