UNDER the auspices of the British Trust for Ornithology, Mr. H. N. Southern has organized an inquiry into the quan titative distribution of the bridled or spectacled form of the common Guillemot (Uria aalge). The results of the first year's work have been published (Southern, 1939) and the investiga tion is still being continued. The general conclusions are of considerable interest, and may be brie...
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