339 



seems to be a female, although its antennae are more like those of 

 the male of >S'. hHus. 



Victoria ; Alpine district. 



SYZETONINUS, gen. nov. (? hiijus familiie). 

 A genere Syzeton difFert oculis minoribiis magis prominentibus 

 antennis magis gracilibus. 



In other respects the characters mentioned above for Syzeton 

 may be read as applying to this genus. 



These characters may appear slight as generic, but the differ- 

 ence in the structure of the head and antennte certainly seem to 

 me more than specific. In Syzeton the eyes are extremely large, 

 but are contained within the head (so to speak), the base of the 

 head extending distinctly behind the eyes almost as far laterally 

 as the widest part of the eyes, so that the head is subquadrate ; 

 in Syzetonellus and Syzetoninus the eyes are considerably smaller, 

 but the base of the head does not extend laterally behind them, 

 so that the head is not at all quadrate. This, together with the 

 considerable antennal difference, gives the insects a very different 

 facies. Syzetonhius differs from Syzetonellus in the intermediate 

 tarsi being long and slender, like those of the hind legs, and in 

 the less complete obliteration of the first ventral suture. 



S. mundus, sp. nov. (Mas 1). Elongato-ovalis ; vix nitidus ; pilis 

 brevibus adpressis minus confertim vestitus; subtus piceo- 

 niger, capite nigro, prothorace rufo, elytris pallide testaceis 

 macula communi basali triangulari f::iscia mediana undulata 

 maculaque communi apicem insidenti piceis ornatis, antennis 

 palpis pedibusque rufo-testaceis ; capite prothoraceque sat 

 crebre sat fortiter punctulatis ; hoc transverso ante basin 

 bifoveolato, lateribus sat arcuatis ; elytris sat crebre minus 

 fortiter punctulatis ; femoribus posticis subtus dentatis. 

 Long., 1 1. ; lat., -^\ 1. 



The antenna? are not quite so long as half the body ; they are 

 nearly filiform, joints 1 and 2 a little stouter than the following 

 ones, 3 quite small, 4 cylindric, 5-10 not differing much inter se, 

 but gradually a little stouter, and a little more triangular in 

 shape ; 11 about twice as long as 10. 



S. Australia ; near Port Lincoln. 



S. inconsjncuus, sp. nov. (Mas.). Elongato-ovalis ; subnitidus ; 

 pilis brevibus adpressis minus confertim vestitus ; subtus 

 piceo-niger, capite nigro, prothorace elytris antennarum 

 basi pedibusque brunneis; supra sat crebre subfortiter punc- 

 tulatus ; protliorace quam caput angustiori, transverso, ante 

 medium transversim canaliculato, ante basin fovea magna 



