( 559 ) 



Thorax. — The mesonotnm has a large lateral area bare of bristles, as in 

 Ct. cophurus. The proportional lengths of the hiudtarsal segments are as follows : 

 <? 40, 26, 18, 9, 17 ; ? 43, 29, 19, 9, 17. 



Abdomen. — The S bears three and the ? four antepygidial bristles, of which the 

 second from above is the longest. The bristles on the sternites of segments III to 

 VII are as follows (on the two sides together, the first figure referring to the 

 bristles of the postmedian row) — i : 6 + 3 or 4, 6 + 3 to 5, 6 + 2 to 4, 6 + 2 to 4, 

 6 + 2 to 4 ; ? : 8 or 9 + II or 12, 8 + 7 or 8, 8 + 4, 8 + 4, 11 or 12 + 8 or 9. 



Modified Segments. — S. The eighth sternite (text-fig. 29, VIII. st.) is more 

 strongly chitinised apically than in Gt. cophurus, and its dorsal margin starts more 

 gradually, moreover being denticulate. The segment bears thirteen to sixteen 

 bristles on the two sides together. The manubrium as well as the nou-movable 

 process of the clasper are much shorter than in Ct. cophurus, particularly the former- 

 This process (P) is truncate, with the dorsal angle rounded, the lower angle about 90° 

 and the distal margin slightly notched. It bears five slender bristles at the upper 



Fig. 29. — Cieiiophthalmus eximins. 



half of the apical margin and an oblique row of three very strong and long bristles 

 on the side, the ventral one being the most proximal. The movable process F is 

 truncate. It almost gradually widens from the insertion to the apex, the ventral 

 angle being distinct and projecting in the shape of a ronnded tooth, and the dorsal 

 angle being ronnded oft'. The ventral margin of this exopodite is nearly straight 

 and bears two pairs of small thin bristles in the apical half. The short bristles 

 placed along the apical and dorsal margins, of which there are about eight, are very 

 thin. The inner arm of the ninth sternite is broader than in Ct. cophurus, with the 

 excei)tion of the widened apical jiortion, which is narrower than in that species. 

 The horizontal arm is canoe-shaped dislally, being acuminate with the dorsal margin 

 straight and the ventral margin distally rounded. This ventral arm bears about 

 eiglit small bristles, one long and strong one and behind this bristle a second one 

 half tiie size (or less) of the long bristle. — ?. Tlie seventh sternite (text-fig. 30) is 

 divided (on each side) by a broad and shallow upper sinus and a smaller, biitci[ually 

 shallow lower sinus into three short lobes, of which the upper one is either pointed 

 or rounded, the second subtriangular with the apex rounded off, and the ventral lobe 



