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BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



Antcro-lateral margin serrated, the teeth with straight anterior and 

 curved posterior margins, teeth 1 to 3 trending forward, tooth 

 4 directed obliquely outward. Kidge above posterior margin broken 

 into unequal, crenulated tubercles, formed in four scallops. 



suborbital margin 

 more 



Chelipeds very slender, equal. Sinuses of 

 V-shaped; outer lobe oblique, bilobed; inner lobe more deeply 

 bilobed, its outer angle more advanced than adjacent angle of outer 

 lobe, and equally advanced with the broad pterygostomian lobe. 



