CONTENTS V 



Chemistry. F. M. Jaeqeh: "Investii^ations into Pasteur's principle of the connection 

 between molecular and (Jrystalloiioniical Dissymmetry. III. Kacemic and Optically 

 .Active Complex Salts of trivalent rhodium', p. 2+4. IV. Rncemic and Optically 

 active ('omplex Salts of Rhodium tri-oxalic Acid". 263. 



— F. M. Jaeger: "Two crystallised isomeric rf-fructose-penta-acetates". 280. 



— F. M. Jaeger and R. T. A.Mefs: "On complex salts of ferri-malonic acid". 283. 



— F. M. Jaeger and Jul. Kahn: "On some isomeric, complex cis- and trans- 

 diethylenediamine- salts of cobaltum, and on tri-ethylenediaminene-zinc-chloride". 292. 



— E. H. Büchner: "The boiling point line of the system : hexane nitro benzene". 322. 



— H. I. Waterman: "Influence of ditferent compounds on the destruction of 

 monosaccharids by sodiumlrydroxide and on the inversion of sucrose by hydro- 

 chloric acid". It. 382. 



— A. Smits, G. Meyer and R. Th. I5eck : "On black phosphorus". II. 392. 



— A. Smits and C. A. Lobry de Bruyn : "On the electrochemical behaviour of 

 nickel". 394. 



— J. BöEsEKEN and H. VV. Hofstede: "Observations about hydration under the 

 influence of colloidal catalyser? and how to account for this process". 424. 



— A. Smits and J. Gillis: "On milk-sugar". I. 520. H. .573. 



— N. H. SiEWERTsz Van Reesema: "The use of the thermopile of Dr. VV. M, Moll 

 for absolute measurements". 566. 



— A. W. K. de Jong: ''The structure of Truxillic acids". 590. 



— H. R. Kruyt and Miss J. E. M. van der Made: "Contributions to the theory 

 of dyeing". 1th Communication. 636. 



— F. A. H. ScHREiNEMAKERs: "In-, mouo- and divariant equilibria''. XVIII. 659. 



— A. H. W. Aten: "On the passivity of Chromium". I. 812. II. 1119. 



— A. H. W. Aten: "A third kind of Sulphur molecule." 824. 



— N. Schoorl and Miss A. Regenbogen : "Revision of the tables for the strength 

 of spirit". 831. 



— A. W, K. DE JoNG: "Action of solar light on Cuuiarin". 875. 



— G. DE Bruin: "On the replacement, in amides, of an alkylanilinogroup by an 

 aniline group, by heating with aniline hydrochloride". 983. 



— W. Retnders and L. Hamburger: 'Ultramicroscopic investigation of very tliin 

 raetaltilms obtained by evaporation in high vacuum". II. 1135. 



— E. Cohen: "On the allotropy of Cadmium". VI. 1177. 



— J. BÖESEKEN and Chr. van Loon : "On the hydrindene — 1.2. diols." 1186. 



— A. W. K. UE Jong: "The double acid from normal- and allo-cinnamic acids". 1230. 

 chromium (On the pa'ssivity of). I. 812. II. 1119. 



ciNEOL (.Action of organo-magnesium compounds on, and reduction of). 66. 

 COHEN (ernst) presents a paper of Prof. H. R. Kruyt and Miss. J. E. M. van 

 DER Made: "Contributions to the theory of dyeing". 1st Communication. 636. 



— On the allotropy of Cadmium. VI. 1177. 



COLLOIDAL catalysers (Observations about hydration under the influence of)' and 

 how to account for this process. 424. 



