230 RECORDS OF THE AUSTRALIAN MUSEUM. 



Genus Idioctis, L. Koch. 



Only one species of this genus lias up to the pi-esent, been 

 recorded from Australia, and that, /. puhiKtnni), Hogg, came 

 from Palm Creek, Central Australia, where it was collected by 

 members of the Horn Exploring Expidition. The species 

 described and figured hereunder, was collected by Dr. Ban- 

 croft, on the Upper Burnett River, Queensland. In tlie 

 material collected by that gentleman, so fai- as this species is 

 concerned, males predominated ; there were two damaged 

 females, but foi-tunately these latter weie sufficiently intact to 

 enable determination. 



Idioctis ornata, sji. mn-. 



(Figs. 40-44). 



^ Cephalothorax, 4.6 mm. long ; 8.7 mm. wide ; abdomen, 

 6 mm. long, 2.9 mm. wide. 



CephaJotlinni,!'. — Obovate, dark-broAvn, nearly black, clothed 

 with long, yellow hair. I'n.yx rephnJicti raised, sides sloping, 

 thoracic groove distinct; ociihtr (ircn slightly I'aised, rather 

 wider than long ; clijpens deep. I'<ir.-< tlmrKcirn arched, radial 

 grooves distinct ; thoracic fovea deep, straight ; iiiaiujiiia] hand 

 narrow, hairy. 



I'Jifes. — Arranged in two rows of four each ; front row 

 strongly recurve 1 ; anterior hiteiul eyes touching margin of 

 clypeus, and sepai-ated 

 from each othei- by a 

 space equal to twice their 

 individual diameter ; an- 

 terioi- med.ian eyes are 

 separated from each other 

 bj' a space equal to rather ~c 

 more than one-half 

 their individual diameter; 

 i-ear row dtH'idedly pi-o- 

 curved on the ])osterior line; inner reai' eyes snuill, each 

 just touching the outer black ring of its lateral neighbour, and 

 each se])arated from the other by a space equal to twice the 

 diameter of one of the anterior median eyes (fig. 40). 



FiM- 41). -A oi iiiilo, Rainb., Ryes 



