LOOKING- LIKE A BUFFOON 



131 



says that the crab can run either way up. Another view is 

 that these hind legs lift foreign objects on to the carapace, 



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and a third that they help to repel animals that might 

 otherwise tread on the crab's back. The specific name 

 which Herbst gave it means a knave, and is its trivial name 



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