BY THE REV. T. BLACKBURN. 
1423 
An exceedingly distinct species. The proportion of colours on 
the elytra varies somewhat, the dark portion being sometimes 
limited to rather less than the apical half, in some examples 
occupying fully the apical half and even being produced up the 
suture a little beyond it ; this dark portion seems to be always 
sharply defined and not gradually shaded oflf to the red part. The 
elytra are exceptionally short, veiy little exceeding twice the 
length of the prothorax. The lamella on the fourth tai’sal joint 
runs out quite to the middle of the apical joint. 
Northern Territoiy of South Australia ; taken by Dr. Bovill. 
Heteroderbs. 
H. CARINATUS, sp.nov. 
Fusco-ferrugineus ; antennis palpis pedibusque testaceis ; sat 
elongatus, pube albida longioi’e sat dense vestitus ; prothorace 
leviter canaliculate, trans angulos posticos quam in medio longitu- 
dine vix latioi’i, a basi parum angustato, confertim subtil iter et 
fortius sparsim punctulato, angulis posticis bicarinatis parum 
divaricatis ; elytris prothorace vix angustioribus, a basi leviter 
attenuatis, apice rotundatis (intus vix mucronatis), fortius punctu- 
lato-striatis, interstitiis subplanis crebre subtiliter punctulatis ; 
f route longitudinaliter carinata ; prothoracis margine lateral i 
antice in prosternum subducto ; tarsorum articuli quarti lamella 
minus lata. lat. 1-^ lines. 
Distinguished from //. ( Monocrejiidius) alhidiis, Mach, by the 
Carina on its head. 
Northern Territory of S. Australia ; collected by Prof. Tate. 
Acroniopus. 
A. PALLIDUS, si).nov. 
Eufo-testaceus, breviter pubescens ; prothorace quam in medio 
longiore paulo latiore, hoc capiteque lequaliter crebre fortiter 
punctulato baud canaliculate; elytris punctulato-striatis, interstitiis 
convexis crebre subtilius punctulatis. [Loiig- l^^t. I line. 
