Or 
THALESTRIS. Bee 
&o. THALESTRIS RUFOCINOTA, Norman (M.S.). Pl. LVI, 
fios. 1—9. 
Body elongated, slender ; rostrum very long, curved 
and sharp; anterior antenne 9-jointed, the first joint 
nearly as long as the following three ; inner branch of 
the posterior antenna 2-jointed. Mouth organs large 
and well developed; second foot-jaw (fig. 4) very similar 
to those of the two preceding species; first joint 
setose on the outer margin; inner margin of the hand 
finely ciliated, nearly straight, and bearing a short 
seta over the middle; outer margin angulated and also 
provided with a short median seta; terminal claw 
long, slender, and having three slender setz attached 
near the base. First pair of feet (fie. 5) stronger and 
more powerfully clawed than in 7. mysis, but other- 
wise very similar; inner branch of the second pair in 
the male (fig. 6) indistinctly 3-jointed, the last two 
joimts being imperfectly separated; apex armed with 
one short crooked spine and two short sete; the 
spines of the outer branch in all the swimming-feet 
have strongly aculeate margins (fig. 6 aa). Inner 
segment of the basal joint of the fifth foot in the 
female (fig. 7) elongated, subtriangular, bearing five 
setze on the inner margin; second joint ovate; distal 
half of the outer margin four times indented and bear- 
ing six sete of unequal lengths; the margins of both 
joints densely ciliated; in the male (fig. 8) the basal 
joint is broad, its imner segment convex, but only 
