Smithsonian Report, 1893. 



Plate XXiV. 



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1. Orthoperus Insect Walking. (Succession of figures from right to left. 



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;; Spider Walking. (Succession of figures from left to riglit. 



3. Locomotion of a Scorpion. (Succession of figures from left to riglit.) 

 (Keproduced from " La Nature."") 



