476 



BULLETIN 129, UNITED STATES NATIONAL MUSEUM 



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this spine, nor is it ex- 

 isting on the two speci- 

 mens, both young, 

 which I have exam- 

 ined. There is, how- 

 ever, a subhepatic 

 spine, not visible in 

 dorsal view, which is 

 directed downward 

 and a little outward. 



On the basal anten- 

 nal segment there is a 

 slender-pointed spine 

 outside the insertion of 

 the next segment. This 

 spine is not visible from 

 above, on account of 

 the inclination ot the 

 front. On the ventral 

 surface of the cara- 

 pace, just outside the 

 postero-external angle 

 of the basal segment 

 there is a small spine 

 and behind it a spine 

 at the angle of the 

 buccal cavity. These 

 three spines are in the 

 same longitudinal 

 line. 



The arm of the chel- 

 iped has a slender spine 

 at either end of the 

 outer margin; the wrist 

 is rough with small, 

 low tubercles. 



6'oZor.— Light brown 

 covered with darker 

 hair; first pair of feet 

 reddish (Bell). 



Measur ements . — 

 Length, 1 inch 5 lines 

 (38 mm.), width, in- 

 cluding the lateral 

 spines, 1 inch 7 lines 



