THALESTEIS. 129 



and profusely setose. Maxilla (fig. 5) strongly clawed, 

 the lateral segments of the palp well developed (a, a) ; 

 anterior foot-jaw (fig. 6) stout, its lateral segments 

 stout and bearing short claw-like setae. Posterior foot- 

 jaws (fig. 7) large and broad; hand broadly ovate, 

 its inner margin nearly straight, outer strongly convex ; 

 proximal half of the inner margin finely ciliated and 

 bearing a single spine-like seta near the middle the 

 outer margin has also a few fine cilia; terminal claw 

 stout, shorter than the hand, and bearing two fine 

 setae near the middle. Branches of the first pair of 

 feet (fig. 8) very stout, nearly equal in length, and 

 smooth on the inner margin, which has only one 

 short seta near the middle ; upper half of outer 

 edge of the inner branch strongly ciliated ; last 

 two joints very short, with two sub-equal ter- 

 minal claws; the outer branch has three strong 

 terminal claws, and a short seta, its whole external 

 margin densely ciliated ; peduncle bearing at the 

 external angle a ciliated lanceolate spine ; first and 

 second joints each with an apical spine ; the three 

 following pairs of feet are short and thick ; inner 

 branch of second pair in the male 2-jointed, the second 

 joint produced into a narrow apical portion and armed 

 with one very short and two long spines (fig. 9). 

 Fifth pair in the female short, the two joints nearly 

 equal in length (fig. 10), the outer broad, sub-ovate, cili- 

 ated, and bearing six short setae on the apical portion ; 

 inner joint sub -triangular, five short setae on the distal 

 half of the inner margin, the first of which is plumose. 

 The fifth pair of the male (fig. 11) has the outer branch 

 VOL. n. i 



