82 KECORDS OF TUE AUSTRALIAN MrsEUM. 



Last joint of the ambulatory legu longer than the third, 

 flattened, smooth, widely punctured. Dorsal spine standing 

 apart from the claw ; missing on the two anteiior legs. The 

 two ventral ridges normalh' fnrnislied each with a I'ow of five 

 spines, except on the first, the second and the twenty-first 

 where one or two of the proximal spines might be missing in 

 the postei'ior I'ow. Claw more or less sickle-sha])ed, with a 

 basal tooth. 



Male: — Last tergite with a transvei'se depression above the 

 posterior margin. A finely and densely punctured space is 

 seen connecting the summit of tlie tergite with tlie middle of 

 the posterior margin ; the jiuiictures bear each a very short 

 hair. 



The posterior surface of the coxfe of the second ])aii' slmw 

 the opening of the seminal duct in the shape of a bead-like 

 organ closing a large circular aperture cut into the surface of 

 the coxa. The surface of each bead is pi-otected l)y two 

 chitinous plates which do not join on the middle line, and of 

 which the outer mai'gins are folded back on the opposite side 

 of the bead. 



Copulatory organs : — First pair A'ery hair}-. Basal joint 

 broad, sub-quadrangular ; its thinner sui'face is flattened and 

 is but slightly produced into a thick and short, rounded cone. 

 Second joint seemingly triangular ; its inner margin shortei- 

 than the outer margin ; its distal angle I'ounded, hollowed in- 

 ternally and furnished with small and sharp warts along 

 its inner edge. Third joint partly engaged in the secimd, 

 reduced, rounded, showing on its posterior sui'face, o])|)osite 

 the warted edge of the preceding joint, a chitinized ridge like- 

 wise provided with sharp warts. 



Second pair three-jointed, shortly pih)se. Anterior median 

 horns hooked, gradually tapei'ing from the base, apex split into 

 two tiny rods. Posterioi- median processes conic, as long as 

 the anterior horns. Second joint produced internally into a 

 moderately long but stout and blunt jn-ocess, the so-i-alled 

 immovable digit, the ])osterior-up])er ed<j:t' of which is furnished 

 with small rounded warts. 'JMiird joint, or movable digit, 

 slightly arched, Avith rounded ajiex ; its inner surface is deej)ly 

 excavated ; its j)ostei"ior edge bears a row lA' short transvei'se, 

 concentrically wrinkled ridges which nnni' in contact with the 



