Calendar: 1968-1969 Page 457

Annual Report of the Delegacy cxv Hubbard Julia Α Ε 'Population studies in the Ballyshannon Limestone Ballina Limestone and Rjnn Point Bed Visean of Ireland Palaeontology 1966 252-69 'Facies patterns in the Carrowmoran Sandstone Visean of western Co Sligo Ireland Proc Geol Ass London 77 1966 233-54 Organic evidence for small scale periodicity in Visean limestone-shale sequences of Co Sligo Ireland VII International Sedimentological Congress 1967 Jones with Owen Rhodes Η and Kelling 'Summer 1964 field meeting to South Wales Proc Geol Ass Lond 76 Jones and Owen 'The Millstone Grit succession between Brynmawr and Blorenge South Wales and its relationship to the Carboniferous Limestone Proc Geol Ass Lond 77 1966 187-98 Prentice 'Facies changes in the Chert Formation Lower Carboniferous of North Devon Extract Proc Ussher Soc 1966 119 'Lower Carboniferous trilobites of north Devon and related specimens from northern England Bull Brit Mus Nat Hist 14 1967 209-41 Prentice and Maddrell 'The Black Deep-a critical area of the Thames Estuary Prof Conf Technology of Sea and Sea-bed 1967 'Reserves of brickmaking clay in Britain-a geologist's view Clayaafi April 1967 Richardson Some British Lower Devonian spore assemblages and their stratigraphic significance Rev Palaeobot Palynol 1967 m-29 Ά reconnaissance of Upper Devonian and Lower Carboniferous spores from New York State and Pennsylvania Rev Palaeobot Palynol 1967 63-4 abstract Taylor 'The Exploration of the Upper Mantle Abbott Memorial Lecture 1966 University of Nottingham Wallace with Ager 'The environmental history of the Boulonnais France Proc Geol Ass London 77 1966 385-417 'Easter field meeting in the Bouionnais France Proc Geol Ass Lond 77 1966 419-35 Walsh and Howie 'Determination of calcium and magnesium in rocks and minerals by atomic absorption spectrophotometry Trans Inst Min Metall Appl earth sci 76 1967 B119-B121