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ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 21 



The length of the entire cheliped and of the walking legs is measured 

 along the lower margin from the base of the coxa to the tip of the dactyl. 



The length of individual segments (merus, carpus, propodus, 

 dactylus) is measured along the upper margin, as is the length of the 

 chela. The height of the chela is measured at its greatest convexity. 



.. LENGTH OF CHELA 

 -LENGTH OF DACTYLUS 



-HEIGHT OF CHELA 



LENGTH OF ROSTRUM 

 WIDTH OF ROSTRUM 



HEPATIC WIDTH OF CARAPACE 

 LENGTH OF CARAPACE 



BRANCHIAL WIDTH OF CARAPACE 



LENGTH OF MERUS 



LENGTH OF WALKING LEG 



