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those of Amathusia Phidippus L. which both feed on Cocos Nucifera L. by 

 there numerousness on Sumatra must continue a heavy struggle for existence, 

 in which struggle the Hesperidae, because they know how to make an abode 

 of leaves, mostly gain the victory. I, however, regard this as merely 

 phantastic. On Java, at least, not one of these species are so very numerous 

 while there are, on the other hand, cocoa-trees in abundance, and this last is 

 surely the same on Sumatra. Neither do I see of what avail it can be to 

 live in a folded leaf. 



