ARTICLES RELATING TO THE HISTORY OF WALES PUBLISHED MAINLY IN 1990 I. WELSH HISTORY BEFORE 1660 D. Clayton and H. N. Savory report on the excavation of a Neolithic hut at Cefn Glas, Rhondda, and the significance of the implements found, Archaeologia Cambrensis, CXXXIX, 12-20. John Morley discusses the excavation of a Bronze Age shepherd's hut at Graig Fechan on the Denbigh Moors, and the archaeological landscape of the area, Antiquity, LXIV, 514-26. An inventory of Iron Age and Romano-British small settlements in Clwyd is offered by John Manley, Archaeologia Cambrensis, CXXXIX, 21-55. J. E. Jones discusses the significance of a find of eight Roman coins at Cemais in 1988, Anglesey Antiquarian Soc. and Field Club Trans., 1990, pp. 14-21. Excavations at the Roman fort of Forden Gaer in 1987 are described by Kevin Blockley, Glyn Owen and Wendy Owen, Montgomeryshire Collections, LXXVIII, 17-46. On the basis of numismatic evidence, P. J. Casey suggests that Roman troops were withdrawn from north Wales during the last decade of the fourth century, Archaeological Journal, CXLVI, 320-99. The history of the Caerwent Exploration Fund, and early-twentieth-century excavations at Venta Silurum, are reviewed by G. C. Boon, Trans. Bristol and Gloucestershire Arch. Soc., CVII, 5-26. The nature of Christianity in Montgomeryshire during the Dark Ages, and dedications to Welsh saints, are discussed by R. W. D. Fenn and J. B. Sinclair, Montgomeryshire Collections, LXXVIII, 47-64. In a discussion of cults of saints in Brittany, c. 850-1250, J. M. H. Smith throws light on similar cults in Wales, Speculum, LXV, 309-43. C. J. Arnold describes excavations of the outer bailey of Powis Castle, which have revealed additional information concerning the castle defences, Montgomeryshire Collections, LXXVIII, 65-71. Andrew Welsh considers the themes of doubling and incest in the Mabinogi, Speculum, LXV, 344-62. Patrick Sims-Williams suggests connexions between Wales and Ireland by drawing attention to the incidence of Irish names in Welsh literary and historical sources, Celtica, XXI, 620-33.