. Bulletin of the British Ornithologists' Club. ire Si I Q. IS a ib ii HI I II mm 1KB o >o tlbl Graph No. 2.—This indicates the number of migrant wading birds counted daily on the Cambridge sewage farm during the month of July on the two successive years 1943 (solid line) and 1944 (broken line). Symbols.—Above and below each graph are three rows of symbols. From without inwards, they represent each day :— (1) Sky conditions. B, blue sky ; C, cloud ; O, overcast; K, rain ; T, thunder. (2) Maximum and minimum temperatures, on a scale ranging in Graph No. 1 from 25° to 90° F. and in Graph No.

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. Bulletin of the British Ornithologists' Club. ire Si I Q. IS a ib ii HI I II mm 1KB o >o tlbl Graph No. 2.—This indicates the number of migrant wading birds counted daily on the Cambridge sewage farm during the month of July on the two successive years 1943 (solid line) and 1944 (broken line). Symbols.—Above and below each graph are three rows of symbols. From without inwards, they represent each day :— (1) Sky conditions. B, blue sky ; C, cloud ; O, overcast; K, rain ; T, thunder. (2) Maximum and minimum temperatures, on a scale ranging in Graph No. 1 from 25° to 90° F. and in Graph No. 2 from 30° to 95° F. (3) Wind direction and approximate strength, the latter indicated by the number of barbs to the arrow. Four barbs would indicate a strongish wind, seven a full Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Taylor, Nancy M. Oxford : Clarendon Press

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