(Plate 43). THE observation in The Handbook, Vol. i, p, 256, stating that data on normal roosting habits of the Coal-Tit were scanty, led me to pay particular attention to this subject. My observations are confined to the Irish Coal-Tit (Parus ater hibemicus). The results are those of over three years' study of a limited number of birds in Co. Ma}'o. The locality where observations were made is fair...

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