Calendar: 1969-1970 Page 481

Annual Report of the Delegacy cxix Howie 'Charnockites and their colour Geol Soc India 1-7 'Current trends in mineralogy Earth Sci Reviews 31-46 with Wooley 'The role of titanium and the effect of Ti02 on the cell-size refractive index and specific gravity in the andradite-melanite- schorlomite series Min Mag 36 775-90 1968 Kennedy 'Burrows and surface traces from the Lower Chalk of southern England Bull Br Mus Nat Hist Geol 15 127-67 1967 Potter Co-author of'North Sea Gas' produced by the Fuel Study Group of the Labour Party Prentice 'Geology and the heavy clay industry Claycraft 40 128-30 1967 'The constitution and behaviour of brick clays Claycraft 40 10 372-4 1967 'The weathering of brick clays Claycraft 41 78-9 1967 'Professor Taylor Nature 217 5130 786-7 1968 with research group 'Sediment transport in estuarine areas Nature 218 5148 1207-10 1968 Richardson Stratigraphical significance of some Upper Devonian and Lower Carboni- ferous spores from New York State and Pennsylvania Proc Int Symp on the Devonian System Abstracts 134 1967 department of mathematics Allan and Suffolk 'Planetary waves as perturbation of dynamo solutions Mag- netism and the Cosmos ed Runcorn Wiley 1968 Armitage 'Algebraic functions and an analogue of the geometry of numbers The Riemann Roch theorem Archiv der Mathematik 18 1967 383-93 Appendix to On Unique Factorization in Algebraic Function Fields Illinois of Math 12 1968 5-6 'Euclid's algorithm in algebraic function fields-addendum Lond Math Soc 43 1968 171-2 Reviews in Mathematical Reviews Zentralblatt fur Mathematik and Mathe- matical Gazette Burgoyne 'Bivariate interpolation of potential functions Mathematics of Computa- tion 22 1968 Reviews in Journal