SECTION A NATURE OF THE CHEMICAL BOND IN COORDINATION COMPOUNDS 1
1A1 APPLICATION OF THE M?SSBAUER-EFFECT IN COORDINATION CHEMISTRY, E. Fluck, W. Kerler and W. Neuwirth 1
1A2 INVESTIGATIONS ON THE ELECTRONIC STRUCTURE OF TRANS-ITION METAL COMPLEXES USING THE M?SSBAUER EFFECT.J. Danon 5
1A3 M?SSBAUER SPECTRA OF IRON COMPLEXES WITH THIOSEMI-CARBAZONE OF DIACETYLOXIME ANDTHEIR INTERPRETATION,A.V. Ablov, I.B. Bersuker and V.I. Gol'dansky 8
1A4 THE M?SSBAUER-EFFECT AND CHEMICAL THEORY, J. F. Duncan and R.M. Golding 11
2A1 RAMAN EFFECT AND COMPETITIVE FORMATION OF TETRAHEDRAL MIXED HALIDE COMPLEXES BY Ga3+ IN SOLUTION, L. A. Wood-ward 15
2A2 DETERMINATION OF CONSTITUTION, STRUCTURE AND BONDING OF COMPLEX IONS IN SOLUTION BY RAMAN SPECTROSCOPY,R.A. Plane 17
2A3 INFRARED SPECTRA AND METAL-LIGAND FORCE CONSTANTS IN COORDINATION COMPOUNDS, I. Nakagawa, T. Shimanouchi and J.Hiraishi 21
3A1 THERMOCHEMISTRY OF SOME TRANSITION-METAL TETRAHALO-COMPLEXES, P. Paoletti and A. Sabatini 25
3A2 MICROCALORIMETRIC DETERMINATION OF THE ENTHALPY OF FORMATION OF THE COMPLEX IONS OF TRIVALENT PLUTONIUM, AMERICIUM AND LANTHANIUM WITH EDTA, J. Fuger and B.B. Cunningham 29
3A3 THERMOCHEMISTRY OF SOME ADDUCTS OF GROUP Ⅲ ELEMENTS, N.N. Greenwood and P.G. Perkins 32
3A4 SOME CALORIMETRIC MEASUREMENTS IN METAL COMPLEX REACTIONS, G. Anderegg 34
4A1 THE AFFINITY OF CUPRIC（PYRIDINE）4 COMPLEX TOWARDS A FIFTH LIGAND, H.C. Volger and W. Brackmann 38
4A2 ELECTRON PARAMAGNETIC RESONANCE OF CERTAIN COMPLEX COMBINATIONS OF Cu（Ⅱ）. P. Spacu, M. Brezeanu, C. Gheorghiu and V. Voicu 40
4A3 ESR SPECTRA OF CUPRIC COMPLEXES WITH SUBSTITUTED PYRIDINES, A.v. Zelewsky and W. Schneider 43
5A1 ELECTRON PARAMAGNETIC RESONANCE STUDY OF Ti（Ⅲ） CHELATE COMPLEXES, S. Fujiwara, K. Nagashima and M. Codell 46
5A2 ELECTRON TRANSFER IN TRIS-2,2' -DIPYRIDYL-COMPLEXES AS STUDIED BY ELECTRON PARAMAGNETIC RESONANCE, E. K?nig 49
5A3 ISOTROPIC NMR SHIFTS IN PARAMAGNETIC COBALT AND NICKEL PHOS PHINE COMPLEXES, W. De W. Horrocks Jr. and G. N. La Mar 52
6A1 PURE QUADRUPOLE RESONANCE STUDIES ON HEXAHALORHENATES（Ⅳ） AND HEXACHLOROTUNGSTATE（Ⅳ）, D. Nakamura, R. Ikeda and M. Kubo 57
6A2 PMR-SPEKTROPHOTOMETRISCHE UNTERSUCHUNGEN AN AROMAT-METALL（O）, H.P. Fritz and C.G. Kreiter 60
6A3 NMR-STUDIES ON MICROSCOPIC SITES OF PROTONATION AND METAL BONDING WITH MULTIDENTATE COMPLEXING AGENTS,C.N. Reilley 63
7A1 DAS VALENZWINKELPROBLEM IN DER THEORIE DER SPINVALENZ,K.H. Hansen 66
7A2 OPTICAL ELECTRONEGATIVITIES, Ch.K. J?rgensen 67
7A3 SPECTRA OF SOME Rh（Ⅲ）- AND Ir（Ⅲ）-COMPLEX COMPOUNDS,H.-H. Schmidtke 72
7A4 DYNAMICAL JAHN-TELLER EFFECTS IN d4 SYSTEM - AQUEOUS MANGANESE（Ⅲ） AND OTHER COMPLEXES OF Mn（Ⅲ） AND Cr（Ⅲ）,J.P. Fackler, D.G. Holah and I.D. Chawla 75
8A1 OBSERVABILITY OF SPLITTINGS OF EXCITED ENERGY LEVELS CAUSED BY SPIN-ORBIT COUPLING OR LOW SYMMETRY COMPO-NENTS OF THE CORE FIELD, C. Sch?ffer 77
8A2 LUMINESCENCE SPECTRA OF TRANSITION-METAL COMPLEXES,V. Caglioti, G. Sartori and C. Furlani 81
8A3 SOME ASPECTS OF THE THEORY OF ATOM BRIDGE'BONDS,B. Jezowska-Trzebiatowska and W. Wojciechowski 83
9A1 POLARIZED CRYSTAL SPECTRA OF SOME NICKEL（Ⅱ）CYANIDE COMPLEXES, C.J. Ballhausen 87
9A2 SPECTRA AND NATURE OF BONDING IN METAL-α-DIIMINE AND RELATED COMPLEXES, P. Krumholz 89
9A3 CHEMICAL STRUCTURE DETERMINATION OF LANTANLDES CO-ORDINATION COMPOUNDS ON THE BASIS OF THEIR ABSORPTION SPECTRA, K.B. Yatsimirski, N.K. Davidenko,N.A. Kostromina ard T.V. Ternovaya 92
10A1 STRUCTURE OF A SYNTHETIC MOLECULAR OXYGEN CARRIER, J.A. Ibers and S.J. La Placa 95
10A2 ?BER DIE KATALYTISCHE WIRKSAMKEIT VON ?BERGANGSMETALL-π-ALLYLVERBINDU NGEN, G. Wilke, P. Heimbach,B. Bogdanovic, W. Oberkirch and K. Tanaka 98
10A3 HOMOGENEOUS ACTIVATION OF MOLECULAR HYDROGEN BY FOUR-, FIVE- AND SIX-COORDINATE TRANSITION METAL COM-PLEXES, L. Vaska 99
11A1 A NEW METHOD FOR THE DETERMINATION OF CIRCULAR DI-CHROISM. P.F. Arvedson and E.M. Larsen 101
11A2 ROTATORY STRENGTH AND ABSOLUTE CONFIGURATION OF TRIS（DIAMINE） TRANSITION METAL COMPLEXES, F. Woldbye 103
11A3 CIRCULAR DICHROISM OF COBALT（Ⅲ） COMPLEXES OF OPTICALLY ACTIVE AMINO ACIDS, B.E. Douglas and Chong Tan Liu 107
11A4 THE ELECTRONIC SPECTRA, OPTICAL ROTATORY POWER AND ABSOLUTE CONFIGURATION OF O-PHENANTROLINE AND 2,2'-DIPYRIDYLCOMPLEXES, A. J. McCaffery, S. F. Mason and B.J. Norman 109
12A1 OPTICAL ACTIVITY IN DIGONAL DIHEDRAL TRANSITION METAL COMPLEXES, A.D. Liehr 110
12A2 REACTION KINETICS AND STEREOCHEMISTRY OF SOME OPTICALLY ACTIVE TRANSITION METAL COMPLEXES, R.D. Archer 111
12A3 THE CRYSTAL STRUCTURES OF SOME MERCURIC COMPLEXES, C.-I. Br?nden 114
13A1 THE NATURE OF BONDING IN SOME PENT ACOORDINATED MOLECULES, R. R. Holmes 116
13A2 FIVE CO -ORDINATION IN TIN COMPOUNDS, H. C. Clark and R.G. Goel 120
13A3 FIVE COORDINATE COMPOU NDS OF COBALT, A. Earnshaw,P.S. Hewlett and L.F. Larkworthy 122
14A1 THE INFLUENCE OF STERIC AND ELECTRONIC EFFECTS UPON THE STEREOCHEMISTRY OF GROUP Ⅷ METAL COMPLEXES, A.B.P. Lever 123
14A2 DISTORTIONS OF COORDINATION POLYHEDRA, E.C. Lingafeltet and J. Montgomery 129
14A3 ELECTRONIC STRUCTURES OF SQUARE PLANAR METAL COMPLEXES, H.B. Gray 133
15A1 NOVEL STEREOCHEMICAL EFFECTS IN CERTAIN COORDINATION COMPOU NDS, J. L. Hoard 135
15A2 STEREO-CHEMICAL FACTORS IN COORDINATION COMPOUNDS OF NICKEL: STRUCTURE OF COMPLEX WITH TRIMETHYLENE DI-NITRAMINE, J.H. Robertson and D.M. Liebig 139
15A3 ON MUTUAL INFLUENCE OF ATOMS AND GROUPS IN COMPLEXES OF NITROSYLRUTHENIUM, O.E. Zvjagintsev, N.M. Sinitsynand V.N. Pitchkov 142
16A1 DECOMPOSITION OF SUBSTITUTED π-ALLYL-Pd-HALIDE COM-PLEXES, E.J. Smutny 145
16A2 COMPLEX FORMATION BY MOLYBDENUM（Ⅱ）CHLORIDE,J.E. Fergusson, B.H. Robinson and C.J. Wilkins 146
16A3 IODINETRIAMMINES AND TETRAMMINES（CIS） OF Pt（Ⅳ）,I.I. Chernjaev and V.S. Orlova 147
SECTION B NOVEL COORDINATION COMPOUNDS 149
1B1 METAL-METAL BONDS IN COMPLEX COMPOUNDS, R.S. Nyholm 149
1B2 COMPOUNDS CONTAINING RHODIUM-MERCURY, OSMIUM-MERCURY OR IRIDIUM -MERCURY BONDS, K. Vrieze 153
1B3 CRYSTAL STRUCTURES OF SOME COMPOUNDS CONTAINING BONDS BETWEEN DISSIMILAR METAL ATOMS, H.M. Powell, K. M annan,B.T. Kilbourn and P. Porta 155
1B4 PLATINUM COMPLEXES WITH Pt-Pt INTERACTION IN CRYSTAL AND SOLUTION, K. Krogmann, P. Dodel and H.D. Hausen 157
2B1 MACROCYCLIC COMPLEXES OF GERMANIUM, J. N. Esposito,R. Rafaeloff, A.J. Starshak, L.E. Sutton and M.E. Kenney 160
2B2 EXCHANGE OF MOLECULAR PARTS BETWEEN COORDINATION COM-POU NDS AT EQUILIBRIUM, J. R. van W a z e r 162
2B3 ZUR KRISTALLCHEMIE VON DIMETATETRAFLUOROARSENATEN:EINIGE NEUERE ERGEBNISSE DER R?NTGENSTRUKTURANALYSE,H. Dunken and W. Haase 163
3B1 SOME NEW ADDUCTS OF IODOSILANE, B.J. Aylett and R.A. Sinclair 166
3B2 COORDINATION CHEMISTRY OF ORGANOHETEROSILOXANES AND RELATED COMPOUNDS, H. Schmidbaur and I. Ruidisch 168
3B3 DARSTELLUNG UND KOMPLEXCHEMISCHES VERHALTEN VON SILYLAMIDEN VERSCHIEDENER ?BERGANGSMETALLE, H. B?rger 171
3B4 ?BERORGANOFLUOROSILIKATE, R. M?ller 173
4B1 BORON HYDRIDE FRAGMENTS AS COORDINATING LIGANDS,R.W. Parry, L.J. Malone and K.W. Morse 177
4B2 NOVEL COORDINATION COMPOUNDS OF BORON, J.C. Carter 178
4B3 KOORDINATIONSVERBINDUNGEN VON PHOSPHINO- UND AMINO-BORANEN SOWIE VON BORAZOLDERIVATEN, H. N?th, G. Schmid and Y. Chung 180
5B1 REACTIONS BETWEEN NITRILES AND SOME ORGANIC COMPOUNDS OF BORON AND ALUMINIUM, J. E. Lloyd and K. Wade 183
5B2 THE COORDINATION CHEMISTRY OF BORON-NITROGEN COM-POUNDS, J.J. Lagowski 186
5B3 SOME NEW COMPLEXES OF RHENIUM, F. Nyman and E.S. Stern 188
6B1 DIALKYLAMINOFLUOROPHOSPHINES AND THEIR COORDINATION CHEMISTRY WITH TRANSITION METALS, R. Schmutzler 188
6B2 TRANSITION METAL COMPLEXES OF CAGED PHOSPHITE ESTERS, J.G. Verkade, T.J. Huttemann, B.M. Foxman,R.E. McCarley and D.G. Hendricker 191
6B3 NEUERES ?BER P-SUBSTITUIERTE SCHWERMETALLPHOSPHIDE,K. Issle ib 193
7B1 COMPLEXES OF XENON-HEXAFLUORIDE, H. Selig 196
7B2 COORDINATION OF SILICON AND GERMANIUM TETRAFLUORIDE WITH SOME OXYGEN DONORS, R.C. Aggarwal, J.P. Guertin and M& Onyszchuk 198
7B3 NEUE VERBINDUNGENMIT DERF5Te-GRUPPE, A. Engelbrecht and F. Sladky 201
7B4 THE PREPARATION AND PROPERTIES OF RARE EARTH HEXAFLUORO-ACETYLACETONATES, M. Steinberg, J. Mashall and A. Glasner 202
8B1 MULTIPLY BONDED OXO, IMIDO AND NITRIDO-COMPLEXES OF RHENIUM（Ⅴ）. J. Chatt, J.D. Garforth, N.P. Johnson and G.A. Rowe 204
8B2 SOME NOVEL COORDINATION COMPOUNDS OF GROUP IV METALS,A.F. Reid and P.C. Wailes 206
8B3 SOME COMPLEX SULPHUR COMPOUNDS OF TITANIUM AND VANADIUM, G.W.A. Fowles 208
9B1 HYDRIDO AND CARBONYLHYDRIDOIRIDIUM COMPOUNDS, L. Malatesta, M. Angoletta and G. Caglio 210
9B2 THE PREPARATION OF TRIS-2,2'-BIPYRIDYL-IRON（O） [Fe（bipy）3],S. Herzog and H. Pr?kel 214
9B3 COLOR AND VARIABLE VALENCE IN NIOBIUM AND TANTALUM HALIDES, M.B. Robin and N.A. Kuebler 217
10B1 TETRAPHENYLCYCLOBUTADIENE-TRANSITION METAL COM-PLEXES, P.M. Maitlis, M.L. Games and A. Efraty 218
10B2 AN INFRARED AND NMR STUDY OF THE BONDING BETWEEN OLEFINS AND SILVER IONS, H. W. Quinn J.S. McIntyre and D.J. Peterson 221
10B3 OLEFIN AND π-ALLYLIC COMPLEXES OF PALLADIUM, PLATINUM AND IRIDIUM, M.S. Lupin, S.D. Robinson and B.L. Shaw 223
11B1 π-CYCLOPROPENYL DERVATIVES OF THE TRANSITION METALS, E.W. Gowling and S.F.A. Kettle 226
11B2 BISCYCLOPENTADIENYL ALLYL COMPLEXES OF TITANIUM AND VANADIUM, H.A. Martin and F. Jellinek 227
11B3 METAL COMPLEXES OF THE PENTALENE SYSTEM, M. Cais, A. Modiano, N. Tirosh and A. Eisenstadt 229
11B4 π -COMPLEXES WITH BIOLOGICAL MATERIALS, M. Tsutsui andA. Nakamura 232
12B1 ORGANIC RADICALS AS LIGANDS, R. E. Dessy, T. Psarras and S.E.I. Green 235
12B2 RECENT STUDIES ON FULMINATE COMPLEXES, W. Beck, E. Schuierer and K.Feldl 236
12B3 ?BER EINE o -PHENYL-VANADIN（Ⅱ）-VERBINDUNG, E. Kurras 240
13B1 STRUCTURES AND BONDING OF NEW TYPES OF TRANSITION ORGANOMETALLIC COMPLEXES, L. F. Dahl and W. E. Oberhansli 242
13B2 THE REACTION OF HEXACARBONYLVANADIUM WITH AROMATIC HYDROCARBONS, F. Calderazzo 244
13B3 NOVEL ACETYLENE TUNGSTEN CARBONYL COMPLEXES, D.P. Tate, J.M. Augl, W.M. Ritchey, B.L. Ross and J.G. Grasselli 245
14B1 BONDING IN SOME NOVEL ORGANOMETALLIC COMPLEXES OF THE FIRST AND SECOND ROW TRANSITION METAL IONS, M.R. Churchill and R. Mason 249
14B2 DONATOR-AKZEPTOR-KOMPLEXE VON MONOSUBSTITUIERTEN BENZOLEN C5H5X MIT ORGANISCHEN DON ATORVERBINDUNGEN,M.G. Woronkow and A.J. Deitsch 250
14B3 COORDINATION POLYMERS, M. L. Huggins 253
15B1 POLYNUCLEAR CARBONYLS OF MANGANESE, TECHNETIUM AND RHENIUM, W. Fellmann, D.K. Huggins and H.D. Kaesz 255
15B2 UNUSUAL CARBON BRIDGING GROUPS IN BINUCLEAR COMPLEXES, O.S. Mills 257
15B3 ALKYNE-SUBSTITUTED IRON CARBONYLS OF FORMULA RC2R'Fex（CO）y, C. Hoogzand and W. H?bel 258
16B1 SULFUR-CONTAINING COBALT CARBONYL DERIVATIVES, L. Marko, G. Bor and E. Klumpp 260
16B2 THIOCYANATO METAL CARBONYLS, A. Wojcicki and M.F. Farona 262
16B3 NEW ORGANOSULFUR DERIVATIVES OF METAL CARBONYLS, R.B. King and M.B. Bisnette 264
SECTION C METHODS AND RESULTS IN THE COORDINATION CHEMISTRY IN SOLUTION 268
1C1 ELECTRON TRANSFER REACTIONS BETWEEN Co（Ⅲ）, Rh（Ⅲ） AND Ir（Ⅲ） COMPLEXES AND Cr（Ⅱ） THROUGH BRIDGING GROUPS,R.T.M. Fraser, D.E. Peters and G.T. Takaki 268
1C2 ELECTRON TRANSFER REACTIONS OF PENT ACYANOCOBALTATE（Ⅱ）. J. Halpern and S. Nakamura 271
1C3 METAL COORDINATION A KEY TO OXIDATIVE STABILITY, H.G. Langer 274
1C4 ETUDE POLAROGRAPHIQUE DES SOLUTIONS AQUEUSES D'AQUO- PENTACYANOFERRATE（Ⅱ）, G. Emschwiller,L. Viet and C. Friedrich 279
2C1 THE LIFETIMES OF CHLORIDE ION AND WATER MOLECULES IN THE FIRST COORDINATION SPHERE OF FERRIC ION AS MEASURED BY NUCLEARMAGNETIC RESONANCE, E. Blatt and R.E. Connick 284
2C2 SOME RECENT STUDIES OF RAPID REACTIONS OF METAL COM- PLEXES IN AQUEOUS SOLUTIONS, C. D. Hubbard, P. Moore and R.G. W ilkins 286
2C3 EFFECT OF COORDINATED LIGANDS ON THE KINETICS OF SUBSTITUTION REACTIONS IN METAL COMPLEXES, D.W. Margerum and M. Eigen 289
3C1 FURTHER STUDIES ON THE KINETICS AND MECHANISM OF HYDRO-LYSIS OF Co（Ⅲ） DIACIDO CHELATE COMPLEXES, V. Caglioti and G. Illuminati 293
3C2 KINETIC STUDY OF THE ISOTOPIC EXCHANGE OF EDTA COM-PLEXES OFTHE GALLIUM GROUP ELEMENTS, K. Saito and M. Tsuchimoto 295
3C3 THE AQUATION AND BASE HYDROLYSIS OF CHLOROBIS（ETHYIENE-DIAMINE）-COBALT（Ⅲ） CATIONS CONTAINING AMMONIA DERIVATIVES AS ORIENTING LIGANDS, S. C. Chan and F. Leh 298
3C4 KINETICS AND MECHANISM OF THERMAL DECOMPOSITION OF Mn （Ⅲ） COMPLEX OXALATES IN SOLUTION, I. G. Murgulescu and T. Oncescu 301
4C1 METAL ION AND METAL CHELATE CATALYSIS OF SALICYL PHOS-PHATE HYDROLYSIS, A. E. Martell 305
4C2 CATALYTIC HYDROGENATION BY PENT ACYANOCOBALTATE（Ⅱ）:π - AND o -ALLYLIC COMPLEX INTERMEDIATES, J. Kwiatek and J.K. Seyler 308
4C3 KINETIC STUDIES OF SOME Rh（Ⅲ）COMPLEXES, E.J. Bounsall and A. J. Poe 313
5C1 HARD AND SOFT ACIDS AND BASES, R. G. Pearson 315
5C2 INTERACTION OF LEWIS ACIDS WITH TRANSITION METAL COM-PLEXES, D.F. Shriver, A. Luntz and J.J. Rupp 320
5C3 THE NATURE OF SOLUTIONS OF TRANSITION METAL SALTS OF VERY STRONG ACIDS IN NON-AQUEOUS SOLVENTS, M. J. Baillie,D.H. Brown, K.C. Moss and D.W.A. Sharp 322
6C1 AUTO-COORDINATION IN SOLID PHOSPHORYLCHLORIDE,E.W. Wartenberg 325
6C2 THE CRYSTAL STRUCTURE OF SOME SOLVATES OF SEIENINYL-DICHLORIDE, Y. Hermodsson 328
6C3 COORDINATION PROBLEMS OF NITROGEN-IODINE-COMPOUNDS IN LIQUID AMMONIA, J. Jander and U. Engelhardt 330
7C1 CALORIMETRIC TITRATIONS FOR THE STUDY OF STEPWISE EQUILIBRIA IN SOLUTIONS, I. Grenthe and I. Leden 332
7C2 BESTIMMUNG DER BILDUNGSKONSTANTEN UND REAKTIONS-ENTHALPIEN MEHRSTUFIGER KOMPLEXBILDUNGSGLEICHGEWICHTE DURCH THERMOMETRISCHE TITRATION, F. Becker and H.M. L?schow 334
7C3 CONFIGURATIONAL EQUILIBRIA OF SOME TRANSITION METAL COMPLEXES IN SOLUTION, H.C.A. King, E. K?r?s,S.M. Nelson and T.M. Shepherd 338
7C4 THE RELATIVE STABILITY OF OCTAHEDRAL AND TETRAHEDRAL COMPLEXES OF TRANSITION METAL IONS, I. Uruska and W. Libus 340
8C1 FORMATION AND STABILITY OF MIXED AND POLYNUCLEAR COMPLEXES IN NON-AQUEOUS SOLUTIONS, M. T. Beck and F. Gaizer 343
8C2 THE FORMATION OF METAL COMPLEXES IN SOLUTION, G.H. Nancollas 345
8C3 IRON（Ⅲ） AND PROTON ASSOCIATIONS WITH SOME SINGLY SUBSTITUTED PHENOLATE IONS IN AQUEOUS SOLUTION,K.E. Jabalpurwala and R.M. Milburn 349
9C1 COMPLEXE EQUILIBRIA OF UO?+ IN AQUEOUS SOLUTIONS WITH LIGANDS HAVING OXYGEN DONOR ATOMS, L. Sommer and M. Bartusek 353
9C2 STABILITY OF SOME METAL COMPLEXES CONTAINING OXYGEN, SULFUR OR SELENIUM AS DONOR ATOMS, K. Yamasaki and K.Suzuki 357
9C3 STABILIT?TS - UND DISSOZIATIONSKONSTANTE N EINIGER o-DI-PHENOL-GERMANIUM-VERBINDUNGEN, N. Konopik and P. Svejda 360
10C1 STEPWISE FORMATION OF METAL COMPLEXES IN NON-AQUEOUS SOLVENTS, D. Dyrssen 362
10C2 METHOXIDE COMPLEXES OF METAL IONS IN METHANOL, R. Gut 364
10C3 COORDINATION CHEMISTRY OF SULPHUR TRIOXIDE WITH OXYGEN BASES, R. Chand Paul and M.S. Bains 366
11C1 METAL COMPLEXES OF THIO-DERIVATIVES OF β-DIKETONES, S.H.H. Chaston and S.E. Livingstone 370
11C2 COORDINATION CHEMISTRY OF METAL COMPLEXES OF SALICYL-IDENEIMINES AND β-KETOIMINES, S. Yamada, H. Nishikawa and E. Yoshida 373
11C3 GLYCINE DERIVATIVES OF THE QUADRIVALENT PLATINUM, A.A. Grinberg 375
11C4 SELENIUM AND SULFUR ANALOGS OF 8-QUINOLINOL AND THEIR METAL CHELATES, E. Sekido, Q. Fernando and H. Freiser 379
12C1 AN INVESTIGATION IN SOME SULPHATO COMPLEXES IN AQUEOUS SOLUTION WITH INFRARED SPECTROSCOPY, S. Fronaeus and R. Larsson 383
12C2 THE USE OF NMR FOR THE STUDY OF METAL CHELATES IN AQUEOUS SOLUTION, D. T. Sawyer and R. J. Kula 385
12C3 NUCLEAR RESONANCE STUDIES OF STRUCTURAL EQUILIBRIA IN SOLUTIONS OF NICKEL（Ⅱ）COMPLEXES, R. H. Holm, A. Chakravorty and G.W. Everett Jr. 386
13C1 THE NATURE OF MOLYBDIC ACID IN PERCHLORID ACID MEDIUM, A.K. Banerjee and S.Y. Tyree 388
13C2 STUDY OF THE COMPLEX FORMATION WITH RARE METALS BY THE HIGH FREQUENCY METHOD,& D. I. Ryabchikov and V. A. Zarinsky 391
13C3 ISOMERISM AND REDUCTION PRODUCTS OF THE MOLYBDIC HETEROPOLYACIDS, P. Souchay, R. Massart and M. Biquard 394
14C1 THE NATURE OF THE HALIDE COMPLEXES OF Fe（Ⅲ）, Co（Ⅲ）, Ga（Ⅲ） AND （Ⅲ） EXTRACTED FROM AQUEOUS CHLORIDE MEDIA BY HIGH MOLECULAR WEIGHT SUBSTITUTED ALKYL AMMONIUM COMPOUNDS, M.L. Good and S.C. Srivastava 396
14C2 DI-COORDINATE ANION COMPLEXES OF HYDROGEN, J. D. Cotton, J.A. Salthouse and T.C. Waddington 399
14C3 HALIDE COMPLEXES OF IONS WITH ELECTRONIC STRUCTURES 4d10 5c2 AND 5d106s2, G. P. Haight Jr. 403
15C1 COMPLEX FORMATION IN TERTIARY AMINE EXTRACTION OF TRI-VALENT METALS, W. M?ller, J. Fuger and G. Duyckaerts 406
15C2 EXTRACTION SPECIES OF NIOBIUM AND TANTALUM WITH SOME NOVEL EXTRACTING AGENTS, C. Djordjevic 407
15C3 THE COORDINATION BEHAVIOUR OF Co, Ni. Cu AND Zn IN A CHELATING ION -EXCHA NGE RES IN, C. E g e r and J. A. Marinsky 410
16C1 ZUR MAGNETOCHEMIE DES SYSTEMS Fe/PORPHYRIN/PROTEIN, W. Haberditzl 415
16C2 A COMPARISON BETWEEN THE REACTIVITY OF IRON IN FERRIMYO-GLOBIN AND COBALT IN SOME VITAMIN B12 DERIVATIVES, G.I.H. Hanania and D.H. Irvine 418
16C3 STRUCTURES AND REACTIVITIES OF COMPLEXES BETWEEN blVALENT CATIONS AND NUCLEOTIDES, H. Brintzinger 422
17C1 N,N-DIMETHYLACETAMIDE （DMA） COMPLEXES OF URANIUM（Ⅳ） MIXED HALIDES, K. W. Bagnall 424
17C2 ON THE COMPLEX PHOSPHATES OF SOME RARE METALS,l. Tananaev 426
17C3 KINETICS AND MECHANISM OF NUCLEOPHILIC SUBSTITUTION IN AN ACIDO-PENTAMMINE-COBALT（Ⅲ） COMPLEX IN AQUEOUS SOLUTION, D. Banerjea and T.P. Das Gupta 427
17C4 UNUSUAL STABILITIES OF THE PYRUVATE-GLYCINATE MIXED COMPLEXES WITH SOME DIVALENT METAL IONS, D. L. Leussing 429
17C5 TRANS-CONFIGURATION IN DIMETHYLTIN AND DIMETHYLLEAD BIS（ACETYLACETONATES ）, R. Okawara, Y. Kawasaki and T. Tanaka 432
17C6 SOME RECENT RESULTS ON THE HYDROLYSIS EQUILIBRIA OF METAL IONS, G. Biedermann 434
17C7 CHLORO-COMPLEXES OF PENTAVALENT NIOBIUM, TANTALUM, PROTACTINIUM, TUNGSTEN AND URANIUM. D. Brown 437
17C8 POSSIBLE KINETIC CONSEQUENCES OF ENTROPY CORRESPONDENCE,J.W. Cobble 439
AUTHOR INDEX 445