. The ecology and life history of the common frog (Rana temporaria temporaria) . 1929 FEB 6 II 16 21 26 3 8 13 18 23 28 2 7 12 17 YEAR-DAY 42 47 52 57 62 67 72 77 82 87 92 97 |02107 i Fig. 31. The Chart for 1929 An important chart, showing the effect of a dry February and March. Most of the spawning took place during the drought, some of it in cold weather. When the rain did come, there was no marked accumulation of results.


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Keywords: ., bookcentury1900, bookcollectionbiodiv, booksubjectranatemporaria