CONTENTS. HI 



Chemistry. ïh. II. Beiirens and II. IUucke : «üii chemical and microscopical 

 examinatiou of antimonial alloys for axle boxes." 33. 



C. A. Lobby de Bbuyn : /.The condition of substances insoluble in water for- 

 med in gelatine." SO. 



H. W. B.iKEUis RoozEBOOM : /.'Congealing points and points of transition in 



mixed crystals of two substances". 101. 



C. A. LoBRY DE Bbuyn : «The rate of substitution of a nitrogroup by an oxalkyl". 144. 



— Tii. H. Behrens : „On some anomalies in the system of Mendelejeff." 148. 

 .— S. Hoogeweeff and W. A. van Dorp: «On the action of raethylio alcohol on 



the Imides of bibasio acids". 151. 

 H. W. Bakhuis Roozeboom : «On eongeuling- and melting-phenomena in sub- 

 stances showing tautomerism". 176. 

 Y. A. H. ScHttEiNEMAKEKS: //Equilibriums iu systems of three components. 



Change of the mixing-temperature of binary mixtures by the addition of a third 



component". 191. 



C. VAN Eyk: //On mixed crystals of nitrate of kalium and nitrate of thallium". 229. 



J. M. VAN Bemmelen : '/On Hydrogel of oxide of iron (ferric-oxide)". 249. 



B. DE Bruyn : //The equilibrium of systems of three suljstances, in which two 



liquids occur". 233. 

 H. W. Bakhuis Koozeboom : //On solubility and melting-point as criteria for 



distinguishing raoemic combinations, pseudoracemic mixed crystals and inactive 



conglomerates". 310. 



— Ernst Cohen-. hOu the velocity of electrical reaction". 334. 417. 



— A. P. N. Erancuimont presents the dissertation of Mr. L. T. C. Schey : „On 

 synthetically prepared neutral glyceryl-ethereal salts — triacylins — of saturated 

 monobasic acids with an even number of C'-atoms". 338. 



H. W. Bakhuis Eoozeboom : //On meltingpoints in systems of optic isomers." 466. 



chromocraters (Cup-shaped red bloodcorpusoles). 154. 



CIRCLES (On the cyclographic space representation of Joachimsthal's). 1. 



COHEN (e R N s t). On the velocity of electrical reaction. 334. 417. 



component (Measurements on the change of pressure by substitution of one) by the 



other in mixtures of carbonic acid and hydrogen. 328. 

 components (Equilibriums in systems of three). Change of the mixing-temperature 



of binary mixtures by the addition of a third component. 191. 

 CONGEALING Points iiud points of transition in mixed crystals of two substances. 101. 



— and melting phenomena (On) in substances showing tautomerism. IT'S. 

 CONGLOMERATES (On solubiUty and melting-point as criteria for distinguishing racemic 



combinations, pseudoracemic mixed crystals and inactive). 310. 

 coNics (On the orthoptical circles belonging (o linear systems of). 805. 

 coNTAGiuji vivum fluidum (On a) causing the Spotdisease of the Tobacco-leaves. 170. 

 CONTINUITY (On the deviation of de Heen's experiments from van der Waals' law of). 82. 

 CRITICAL Temperature (The influence of pressure on the) of complete mixture. 158. 

 CRYSTALS of two substauces (Congealingpoints and points of transition in mixed). 101. 



— (On solubility and meltingpoint as criteria for distinguishing racemic combi- 

 , nations, pseudoracemic mixed) and inactive conglomerates. 310. 



33* 



