138 



ARTICERUS. 



A. asper, sp. nov. Ferrugineus, antennis pedisbusque testaceis, 



supra (abdominis basi nitida sparsim punctulata transversim 



profunde excavata excepta) subopacus, crebre aspere punctu- 



latus ; capite prothorace elytrisque obscure pubescentibus ; 



antennis valde depressis, quam latiores jDarum longioribus, 



supra parte dimidia basali longitudinaliter impressa; capite 



quam antennae vix longiori ; prothorace f ortiter transverso 



haud foveolato. Long., 1.1. (vix). 



The antennae are not much longer than wide on their flattened 



face, both sides of which are strongly rounded in outline, but the 



middle of the curve is on the outer side, a little nearer to the apex 



than on the inner side. 



Of the other described species having antennae impressed above, 

 Pascoeus, Shp., has the prothorax not transverse ; aurijluus, 

 Schauf., has the inner margin of the antennae straight, and 

 brevipes, Shp., has the elytra punctured only indistinctly. 



A single specimen was taken by me in flood refuse near Ade- 

 laide. 



BYRRHIDyE. 

 BYRRHUS. 



I see no good structural character to prevent the following 

 species being considered a true Byrrlnts, although it should be 

 noted that I have not been able to devote a specimen to dissec- 

 tion. It difiers from the typical forms of the genus in having 

 the body somewhat densely and evenly bristling with long erect 

 hairs, and having the incrassation of the antennae commencing 

 only at the seventh joint. These latter consist of 11 joints, and 

 are inserted, as in Byrrhus ; the head is retracted in repose, but 

 in such fashion that the eyes and labrum are visible (the former 

 only in part) ; all the tarsi are laid stiffly back in repose against 

 their tibiae, which, however, are channelled by no means deeply 

 for their reception. The apical joint of the maxillary palpi 

 is somewhat more elongate and conic than in most species 

 of Byrrlius. 



B. Torrensensis, sp. nov. Oblongo-ovatus ; nitidus ; crebrius 



subtilius punctulatus ; pilis longis nigris erectis sat dense 

 vestitus ; supra nigro-aeneus, prothorace obscure viridi ; 

 subtus rufus vel piceo-rufus, antennis (clava picea excepta), 

 palpis, labro, pedibusque, testaceis. Long., 1-lf 1. ; lat., -f-ll. 

 The antenna, if set back, would about reach the base of the 

 prothorax ; joint 1 is stout, and about as long as 3, 2 is very 

 short, 3 nearly as long as 4, 5, and 6 together, the latter three 

 subequal, and scarcely longer than wide, 7-11 forming a well- 

 defined club. 



