THALESTRIS. 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 sete. 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 
setze 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 joimts 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 sete on the apical portion ; 
inner joint sub-triangular, five short setze 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, II. I 
