rUK MYKIAi'iil'A IN TIIK AISTKAI.IAN M I'.sKr.M |;|;(')LF M ANN. I08 



deeply split, in order that a compressed tibial stem may be 

 distinguished (PI. xv., 7'. tig. 18), the outer angle of whicli 

 ends into a short, scythe-shaped process (th.), with acute apex 

 turned inwards. Further on, the telopodit is divided into two 

 more bi-anches. The seminal branch (sh.) is lamellar and 

 leaf-shaped, while the posterior branch (tab.), gently arched 

 inside, end into two long and slender horns. 



Female : — Coxfe of the second pair of legs with posterior 

 surface much swollen and strongly chitiuized, but without crest 

 or warts. 



Two specimens, male and female, from Pretty Point, Mount 

 Kosciusko. 



ArsTKALiosoMA (Dicladosouia) etherikgei, ^^p. uov. 

 (Plate XV.. tigs. -21, 22.) 



(J type: length 81 mm: breadth of 12th tergite 3 m m, 

 of 12th prozonite 2.70 mm. 



Ground colour dark brown, with a pale brownish yellow 

 band, contracted at the suture and enlarged towards, the 

 posterior margin of each segment, running through from the 

 anterior margin of the first segment to the apex of the last. 

 Pleurfe a dull red-brown ; legs dark madder. 



Similar to the preceding species in many respects, such as 

 shape of the first segment, form and development of keels, 

 pore formula, male secondary charactei-s : yet of smaller size 

 and with different copulator}- appendages. 



Head smooth, not shining ; upper lip hairy, but face almost 

 naked : lateral margins swollen : vertex swollen on each side 

 behind the antennae, with well marked, not distinctly branched 

 sulcus ; antennal grooves Avrinkled. Tomi)swaiy organ dot- 

 shaped. Antennal sockets not sunken. Antennae of moderate 

 length, slender, shortly pilose, standing close together (0.51 

 mm apart), with four sensory cones. Micrometi'ical measure- 

 ments of joints : 1st joint, 0.320 m m ; 2nd, 0.736 mm ; 3rd, 

 0.736 mm; -ith, 0.704 mm; 5th, 0.70Jr mm; 6th, 0.672 

 mm ; 7th and 8th, 0.256 ; total length, 4.128 mm. 



Integuments smooth ; prozonite dull, metazonite shining" 

 Posterior angle of the first tergite rounded and with a marginal 

 sulcus. Anterior angle of second tergite reaching below the 



