196 



DEPARTMENT OF THE XAVAL SERVICE 



Anterior maxillipede (fig. 18) : B 2 with four setse of which the largest is not arti- 

 culated with the joint, another is transformed into a vermiform sensorium; Ri with 

 seven setse transformed into vermiform sensoria. 



Posterior maxillipede: B 1 and B 2 subequal in length but B 1 much broader, 

 B 2 longer than Ri : B 1 sets : 1 + 2 + 1 + 3, a fringe of long haii-s at distal end ; 

 B 2 with a fringe of stiff hairs or cilia running along the whole length of the joint 

 near the inner margin, longer towards the proximal end; B 2 setfe: S 1 proximad of 

 middle of joint longer than S 2, S 3 longer than S 2, S 4 shortest, S 5 longest. 



Fig. 18. — Same. Distal portion of anterior maxillipede. 

 First foot (fig. 19) : Re 1 and Re 2 with Se of equal length. 



Fig. 19.— Same. Fir&t foot anterior surface. 



