1394 FURTHER NOTES ON AUSTRALIAN COLEOPTERA, 
Feminse capite bituberculato ; prothorace antice ad medium 
retuso, parte retusa (antice excepta) elevato-marginata. 
The transverse carina at the base of the frontal horn of the 
male in front ( i.e. the clypeal suture) is angulated in the middle, 
the horn itself being closely and rather finely rugose and simply 
(but not sharply) pointed at the apex and thinly clothed in its 
lower half with long fine hairs. The prothorax of the male is 
difficult to describe owing to the complexity of its sculpture 3 the 
lateral declivity (on either side) is very closely and rugosely 
punctured, finely in its lateral half, very coarsely in its middle 
half ; this system of puncturation is continued narrowly and 
obscurely across the base and renders the portion of the surface 
where it prevails somewhat opaque ; the whole of the remainder 
of the segment is extremely nitid, bears a system of very fine and 
very sparse puncturation, and forms (regarded as a whole) a great 
declivity, the surface of which is uneven in the following manner j 
its middle part (which is sulcate from the base half-way to the 
apex and bears a few large punctures) does not begin to be decli- 
vous close to the base, but runs forward a little distance as a 
fiattened ridge on either side of which the declivity commences 
almost from the base itself, but in such fashion that its hinder 
edge here forms a curve on either side neaidy touching the base in 
its middle, on its inner side margining the central non-declivous 
ridge (already mentioned), and externally forming a limit of the 
outside rugosely punctate surface, and then forming the hinder 
outline of a strong compressed horn which rises (on either side of 
the central declivity) about half-way between the base and apex 
of the prothorax, its height above the surface being about one- 
third that of the frontal horn ; in front of each of the prothoracic 
horns the surface of the nitid declivity is disturbed (and its area 
extended laterally) by a deep round impression ; the width of the 
space between the horns is considerably wider than the distance 
between the external base of either horn and the margin of the 
prothorax ; the horns are inclined forward and upward. . 
In the female the clypeus is strongly declivous its hinder edge 
forming a strong carina (most elevated in the middle) ; — from each 
