Photo by] 



[E. Step, F.L.S. 



Some J3orneax Hird-wings. 



Three species of the magnificent bird-wing butterflies of Borneo with their wings raised to show the under side. In order to get three 

 butterflies of so large a size on one page they have had to be reduced considerably. A clue to the actual size may be found in remembering 

 that in the middle species — Brooke's bird-uing — the fore-wing measures from tip to base nearly four inches, giving an expanse of eight 

 inches when the wings are spread for fliglit. 



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