Plate 38. 



THE " FIDDLER-CRAB " AMONG MANGOE ROOTS. 



This species is remarkable for the enormous size of the right " arm," which 

 exceeds that of the body. 



&W^*i^ 



Photos bv W. Saville-Kent. 



THE " FIDDLER-CRAB." 



This " strong right arm " is used in conflicts with rivals for the possession of the 

 females. 



[Face page 258. 



