Albery, W. J., 159, 162, 163.Ahrens, M.-L., 112.Ausloos, P., 36,65.Baughan, E. C., 219.Beens, H., 183.Bell, R. P., 16,48, 49, 57, 94, 97, 131.Bewick, A., 149, 163.Bockris, J. 0. M., 60, 239, 258, 261, 264, 265,Brouwer, D. M., 121.Caldin, E. F., 25,62.Case, B., 101.Challis, B. C., 67.Christov, S. G., 60, 254, 263, 266.Cocivera, M., 105.271, 274.Conway,-B. E., 47, 60, 130, 134, 182, 216, 219,223,253, 255,259,262,266,276.Covington, A. K., 172,176, 180.Eigen, M., 7,46, 102, 130, 131, 163, 217.Eisenberg, H., 218.Fleiscbmam, M., 52,149,162.Franck, E. U., 200.Gandini, A., 103.Gillespie, R. J., 135, 181, 222.Godfrey, T. S., 194.Gold, V., 84, 94, 97, 100, 103, 253.Grellmann, K. H., 183.Grunwald, E., 105.Gurr, M., 183.Hakka, L.E., 75.Hartmann, D., 200.Henchman, M. J., 63.Hensel, F., 200.Hiddleston, J. N., 149.Hills, G. J., 59, 207, 220, 275.Hulett, J. R., 58, 60.Johnson, K. E., 217.Jones, J. R., 58.Kasparian, M., 25.Kessick, M. A., 84.Kohnstam, G., 217.Kreevoy, M. M., 57, 100, 131, 166, 180.Kresge, A. J., 46, 48, 75, 96, 97, 98, 99.Laidler, K. J., 253.Lias, S. G., 36.Lilley, T. H., 180, 181.Long, F. A., 45, 67, 94, 99, 132.Mackor, E. L., 121.MacLean, C., 121.Mandel, M., 220.Matthews, D. B., 50,239, 258, 260, 264, 271.Mead, C. A., 166.Mylonakis, S., 75.Noyes, R. M., 130, 216.Nhberg, H. W., 52,136,160,162, 273.Ovenden, P. J., 207,220.Parsons, R., 55, 101, 277.Plesch, P. H., 103.Porter, G., 194.Rogers, N. A. J., 50.Ross, R. A,, 65.Salomon, M., 223, 255, 256, 262, 266, 276.Sato, Y., 75.Spiro, M., 98.Srinivasan, S., 239, 258, 264, 271.Strehlow, H., 112,133.suppan, P., 194.Symons, M. C. R., 55, 216.Tait, M. J., 172.Weiss, J. J., 45, 57.Weller, A. H., 183.Wells, C. F., 132, 133, 134.Weston, R. E., Jr., 178.Whitehouse, D. R., 207,220.Wyatt, P. A. H., 221.Wynne-Jones, Lord, 149,172.Zollinger, H. 102.AUTHOR INDEX** The references in heavy type indicate papers submitted for discussion.27