THALESTRIS. TS: 
6. ‘THALESTRIS RUFO-VIOLASCENS (?), Claus. Pl. LXI, 
fies. 1—S8. 
Thalestris rufo-violascens, Claus. Die Copepoden-Fauna von 
Nizza, p. 33, taf. iv, figs. 18—22 
(1866). 
Body of the female robust; first four segments 
much wider than the rest and produced laterally into 
projecting angular processes ; body-segments bordered 
with chitinous bands and marginally ciliated, rostrum 
broad and short. Anterior antennz 9-jointed, the 
proportionate lengths of the joints being as follows: 
8, 12, 9, 7, 34, 4, 24, 24,3. Inner branch of posterior 
antenna 2-jointed. Mandible and palp (fig. 3) strong 
and well developed; first foot-jaw (fig. 4) having a 
stout terminal claw and three digitiform marginal 
seoments ; second foot-jaw (fig. 5) very large and 
stout, hand very broad, its inner margin straight, and 
having two rows of short spine-like cilia extending 
along its whole length, outer margin excessively 
convex; claw strong and very much curved, with a 
single accessory curved seta on the inner margin. 
First pair of feet (fig. 6) robust, branches sub-equal, 
margins smooth, terminal claws extremely long, joints 
of the outer branch in the second, third, and fourth 
pairs of feet contracted at the bases (fig. 7), first joint 
much expanded at the apex, its inner angle truncate 
and giving attachment to a long seta, second joints 
somewhat similar but less prominent; outer border of 
the first joint ciliated and bearing a strong apical 
