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i.'y J luo. Carnras. 

 TilK MATliKNAL UUG OF THE BiRCH-TREE. 

 Like tlu- canvi? tliis bu? K.iards h.r batch of eggs until thov have hatched-a period of about three weeks. Afterwards she covers them as a 

 hen covers lier chicks, until they an- ni'arly full grown, wlien they disperse themselves over the tree. 



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