86 RECORDS OF THE AUSTKALIAX MUSEUM. 



raised but flat. Tlie space between the raised surface and the 

 ma-i'ofinal pad is afrooved (not flat, as in ('. (jHt'ein^Jiuid'nv), the 

 inner slope bein<^ abrupt and the bottom of the groove being 

 flat and furnislied witli delicate fleecy hair. Other keels as in 

 C. queenshiiidiir with a i-ather stronger inner ridge. Last 

 tergite evenly globular, slightly depressed near the posterior 

 margin which is delicately sulcate all round. 



Tarsi of ambulatory legs compressed, longer than the 

 corresponding femora, except in the first and second pair where 

 both joints are of equal length. Ventral spines do not appear 

 to exceed five in each row. When both rows are not alike, it is 

 the anterior which lacks of some of the proximal spines ; for 

 instance, the tarsi of the two first pair show an anterior row of 

 two spines and a posterior row of five ; the tarsi of the second 

 and third pair show an anterior row of three spiiies and a 

 posterior row of five ; the tarsi of the twenty-first pair show 

 an anterior row of four spines and a posterior row of five. The 

 dorsal spine is missing on the two anterior pair of legs ; on the 

 other legs it stands apart from the claw. The latter is sickle- 

 sliaped with a basal tooth. 



Male : — The bead-like penis is similar to the same organ of 

 C. qneensJaxdhv ; the plates do not join in the middle and are 

 more chitinized. 



Copulatory organs : — Basal joint of the anterior pair almost 

 naked, bi'oad and short ; inner edge scarcely sinuate or even 

 somewliat convex, ending in a triangular, short and blunt 

 process pointing straight downwards. Inner surface concave. 

 Second joint with rare, rather long setae, conic ; the immovable 

 digit short with rounded apex and with an anterior surface 

 covered with rather acute warts. 'I'liiiil joint small, tapering, 

 slightly curved backwards in its distal third ; its posterior 

 surface is furnished with warts similar to those of the immov- 

 aljle digit. 



Second pair poorly beset with short seta? except along the 

 inner edge of the second joint and of the imnnivablo digit, 

 whei'e tlie setae arc more lirnsf. Antcrinr nuMlian liornsahnost 

 pai'allel-sided pi-oxinially, (piickly thinning out in their distal 

 third. Posterioi- median pi'ocesses nearly (juadi-angular in 

 outline, willi tilt' outer ani^'Je I'ounded and the inner antrlo 



