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female entered^ leaving only a small aperture^ througli which 
he feeds her. In this way the loving pair are said to guard 
their treasures successfully from the monkey tribes^ the 
formidable bill of the female nearly filling the entrance. 
Mr. Layard mentions that the Buceros gmgaUnsis resembles 
the long-tailed cuckoos in its mode of travelling through 
the lofty tree-tops : it flies into a tree^ and creeps to the top 
on the opposite side^ and then darts into the next. 
