240 



" THETIS " SCIENTIFIC RESULTS. 



much shorter than the peduncle, each joint distally encircled 

 with short setse. 



Inferior antennse having the first three joints subequal, the 

 fourth much the longest. Flagellum consisting of ten joints, 

 about equal in length to the first three joints of the peduncle; 

 the summits of the joints are furnished with numerous long 

 tufted hairs. 



Body of mandible stout, bent inwards at about the upper 

 third, cutting edge strongly dentate, subtended below with 

 twelve or more curved denticulated spines, molar tubercle well 

 developed, with a subterminal fringe of short spines. Palp 

 short, with three subequal joints. 



Outer lobe of first maxillse armed at the apex with about ten 

 strong, curved, denticulated spines, which are longer than the 

 width of the lobe. Inner lobe about half the 

 size of the outer, furnished at the obliquely 

 truncated summit with four stout, pectinated 

 spines. 



Second maxillse with three lobes, each about 

 twice as long as broad, nearly equal in length 

 and breadth ; apices truncated, the outer pair 



Right Maxillipbdb. Fourth Leg. 



Fig. 22c. Fig. 22f/. 



surmounted with smooth, flat, cultrate spines, whilst the odd inner 

 lobe bears numerous minutely serrated spines and one large 

 pectinated spine. 



