Welsh Journals

NATURE IN WALES A Natural History Journal for Wales Editorial Board: DILLWYN MILES (Managing Editor) Castle Hill, Haverfordwest T. A. WARREN DAVIS J. W. DONOVAN L. S. V. VENABLES MRS. M. J. MORGAN W. I. HUGHES BRUCE ING CONTENTS OF VOLUME 15 NUMBER 2, SEPTEMBER 1976. Page LIMESTONE PAVEMENTS IN WALES. S. D. Ward and D. F. Evans 50 SOME OBSERVATIONS ON THE WINTER DIET OF THE BARN OWL. (Tyto Alba), ON SKOMER ISLAND, DYFED, WALES. Colin W. Plant, B.Sc. 54 GORS LWYD-A PEAT BOG UNDER THREAT. F. M. Slater 60 CHANGES IN THE TRICLAD (Turbellaria, Platyhelminthes) FAUNA OF SOME NORTH WALES LAKES DURING THE 20 YEARS UP TO 1973. T. B. Reynolds and R. M. Jaques 73 THE VEGETATION OF ANTHILLS IN WEST GLAMORGAN SALTMARSHES. Q. O. N. Kay and S. R. J. Woodell. 81 FIELD NOTES: PLANTS. 88 MAMMALS 88 BIRDS 89 INVERTEBRATES 91 BOOK REVIEWS 94 The Editors and the Scientific Advisers endeavour to maintain a high standard of accuracy but do not accept responsibility for the statements and opinions of the contributors to this Journal. Issued free to Members of the Naturalists' Trusts of West Wales, North Wales and Radnor. On Sale, price 35p (45p by post). 30p (40p by post) to members of other Trusts for Nature Conservation.