Vol. xxiXm No. 5. 



IVIay, 1920. 



CONTENTS. 



PAGE 



The Colours of Birds in Relation to their Habits. — C. B. 



Moffat, b.a., m.r.i.a., .. .. .. 37 



Irish Societies : 



Roya! Zoological Society .. .. ... .. 52 



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