Leach, E. P, Thomson, A. L, Thomson, A. L & Leach, E. P / August 1952 – vol. 45, issue 8–277 Bird-Ringing Committee, British Trust for Ornithology. This is the fifteenth r e p o r t ! issued on behalf of the Committee, continuing; the earlier sequence under the title " T h e British Birds Marking S c h e m e . " It is in the form instituted last year, combining- a report on the progress of ringing during 1951 with a selected list of recent recoveries such as w a s formerly issued separately... This article is only available to registered users.To read more, please log in or purchase a subscription.