NATURE IN WALES The Quarterly Journal of the West Wales Field Society Editors W. M. CONDRY. R. M. LOCKLEY. W. S. PEACH- Editorial Address :-Nature in Wales, Orielton, Pembroke. CONTENTS OF VOL. 2. NUMBER 2. SUMMER, 1956 Page- THE OUTERMOST ROCKS OF WALES. R. M. Lockley 257 SEAL MIGRATION. A.L.Johnson 267 SEAL NOTES 269 SKOKHOLM BIRD OBSERVATORY. Peter Davis 270 WELSH Bird NAMES. Thomas Davies 273 FIELD NOTES Botanical 275 Insects 276 Birds 278 BRITISH TRUST FOR ORNITHOLOGY 282 BOOK REVIEWS 283 LIBRARY 284. SOCIETY'S NOTES 285 LETTERS 290 The Editors and their Scientific Advisers endeavour to main- tain a high standard of accuracy but do not accept responsibility for the statements and opinions of the contributors to this Journal. Issued free to all Members of the West Wales Field Society. On sale price, 2s. 6d.