Molecular Forces＆P．DEBYE 1
Topological Methods in the Cluster Theory of Ionic Solutions＆E．MEERON 7
The Electrical Properties of Ioe＆L．ONSAGER AND M．DUPUIS 27
The Accurate Numerical Solution of the Poisson-Boltzmann Equation＆E．A．GUGGENHEIM 47
Solvation of Electrolytes in Dioxane-Water Mixtures＆E．GRUNWALD 62
The Interaction of Two Ions at Small Separations in an Aqueous Medium＆S．LEVINE AND G．M．BELL 77
The Transport of an Electrolyte during the Diffusion of a Non-Electrolyte＆F．J．KELLY AND R．H．STOKES 96
Contributo allo Studio delle Giunzioni Interliquido negli Elettroliti＆R．PIONTELLI 101
Zur Theorie der Leitfahigkeit Starker Elektrolyte＆H．FALKENHAGEN und G．KELBG 109
Ionic Association and the Fuoss-Onsager Conductance Equation＆R．L．KAY 119
Solvent-Solute Interaction in Dilute Electrolytic Solutions＆H．SADEK，E．HIRSCH AND R．M．FUOSS 132
The Behaviour of Carboxylic Acids in Mixed Solvents＆T．SHEDLOVSKY 146
Acid Ionization Constants of Alcohols in the Solvents Water and Deuterium Oxide＆F．A．LONG AND P．BALLINGER 152
A Test of the Hammett Relation＆R．A．ROBINSON 165
Electronic Structure of Strong and Weak Electrolytes＆K．FAIANS 170
Dissociation Constants of Carboxylic Acids in Formamide＆M．MANDEL AND P．DECROLY 176
Debye＇s Salt Effect Theory applied to Aqueous Solutions of Electrolytes and Urea，1/Electrolytes with Common Anion and Cations of Various Valencies＆M．SARNOWSKI AND B．BARANOWSKI 187
Sulla Carica Superficiale di Alcune Soluzioni Elettrolitiche＆S．BORDI e F．VANNEL 196
On the Configurational Stability of DNA in Diluted Solution＆A．M．LIQUORI，F．ASCOLI，C．BOTRE，V．CRESCENZI AND A．MELE 201
Investigation of Transport Numbers by Measurement of the e．m．f．of Galvanic Cells with Second Class Electrodes＆S．LENGYEL 208
Counterion Binding by Macro-ions＆U．P．STRAUSS 215
Untersuchungen zur Statistisch-Mechanischen Theorie Starker Elektrolyte＆G．KELBG 226
Ricerche Sull＇Effetto Cinetico Primario di Sale＆V．CARASSITI e C．DEJAK 230
Influenza del Raggio dei Controioni sull＇Associazione in Soluzione di Polimetacrilato＆V．CRESCENZI，A．DE CHIRICO AND A．RIPAMONTI 248
Hydrogen Halides in Polar Organic Solvents＆G．J．JANZ AND S．S．DANYLUK 255
Ricerche Sulla Teoria delle Soluzioni Concentrate di Elettroliti Forti ⅩⅩⅣ＆C．DEJAK 266
Ricerche Sulla Teoria delle Soluzioni Concentrate di Elettroliti Forti ⅩⅩⅤ＆C．DEJAK 281
Electrolytical Conductance of Some Picrates in Alcohol Mixtures＆F．ACCASCINA AND S．PETRUCCI 292
Ultrasonic Behaviour of Liquid Systems＆F．ACCASCINA AND S．SCHIAVO 301
Structure and Kinetic Properties of Polyelectrolytes in Solution，determined from Relaxation Phenomena in Electric Fields＆M．EIGEN AND G．SCHWARZ 309
Uber Integrale Verdünnungswarmen Starker Elektrolyte im Gebiet des Debye-Hückelschen Grenzgesetzes＆E．LANGE 336
Sur l＇Apport des Effets Electrostatiques à une Théorie．de la Cinétique des Réactions＆J．E．DUBOIS et J．BARTHEL 343
Author Index 353
Subject Index 359