Editors' Preface • List of Contributors • Introduction • DAY, M. H. & BANHAM, P. H. Bill Bishop: a retrospective appreciation and bibliography • Part I. Early Miocene of Uganda Overview by P. ANDREWS • CORMACK, J. L. Setting their sights/sites on Uganda: Waiter William Bishop and Edward James Wayland • MACLATCHY, L. & PILBEAM, D. Renewed research in the Ugandan Early Miocene • PICKFORD, M., SENUT, B. & GOMMERY, D. Sexual dimorphism in Morotopithecus bishopi, an early Middle Miocene hominoid from Uganda, and a reassessment of its geological and biological contexts • Part II. Middle Miocene to Pleistocene of the Tugen Hills, Kenya Overview by P. ANDREWS • RENAUT, R. W., EGO, J. TIERCELIN, J.-J., LE TURDU, C. & OWEN, R. B. Saline, alkaline palaeolakes of the Tugen Hills-Kerio Valley region, Kenya Rift Valley • MCCALL, G. J. H. Silali Volcano, Baringo, Kenya: sedimentary structures at the western fringe • KINGSTON, J. D. Environmental determinants in early hominid evolution: issues and evidence from the Tugen Hills, Kenya • HILL, A. The Baringo Basin, Kenya: from Bill Bishop to BPRP • BISHOP, L. c., HILL, A. & KINGSTON, J. D. Palaeoecology of Suidae from the Tugen Hills, Baringo, Kenya • WOOD, B. Plio-Pleistocene hominins from the Baringo Region, Kenya • GOWLETT, J. A. J. Lower and Middle Pleistocene archaeology of the Baringo Basin • McBREARTY, S. The archaeology of the Kapthurin Formation • Part Ill. Quaternary environments Overview by P. BANHAM • KEEN, D. H. The chronology of Middle Pleistocene ('Wolstonian') events in the English .midlands • MADDY, D. Middle Pleistocene reconstruction of the Baginton River Basin: implications for the Thames drainage system • HART, J. K. The impact of the deforming bed model on the reconstruction of British Quaternary ice sheets • GLEED-OWEN, C. P. The palaeoclimatic and biostratigraphic significance of herpetofaunal remains from the British Quaternary • WELLS, J. M., MIGHALL, T. M., SMITH, D. E. & DAWSON, A. G. Brighouse Bay, southwest Scotland: Holocene vegetational history and human impact at a small coastal valley mire • ANDERSON, D. E. The peatlands of northwest Scotland as Holocene palaeoclimatic archives • STOKES, S., WASHINGTON, R. & PRESTON, A. Late Quaternary evolution of the Central and Southern Kalahari: environmental responses to changing climatic conditions • Index