BY WILLIAM MACLEAY, F.L.S., &C. 123- 



Genus, Philoscaphus. 



Head bi-oad, rather short, the frontal canals deep and short, the 

 labrum a little emarginate, the palpi scarcely thicker towards the 

 apex, antennte filiform. Thorax much broader than long, of semi- 

 circular form. Elytra broad and tuberculate, with a sublateral 

 carina. Anterior tibise tridentate externally, intermediate 

 unidentate. The species are 



P. tubermdatus, Macl. P. costalis, Macl. 



Master si, Macl. carinatus, Macl. • 



P. lateralis, Macl. 



Genus, EtJRYSCAPHUS, Macleay. 



Head large, the frontal canals short and parallel, the antennae 

 rather long and filifoim, the labrum large and transverse, the 

 maxillary palpi very slightly triangular at the apex, the labial a 

 little more so. Thorax transversal. Elytra as broad as long, 

 convex, almost circular except at the Vjase which is excised. 

 Anterior tibine strongly bidentate externally, intermediate uni- 

 dentate and serrate. All the species of this genus are of large size 

 and broad convex form. 



They seem to be exclusively insects of the interior parts of New 

 Holland. 



The species known are — 



E. affinis, Casteln. E. Howittil, Casteln. 

 angidatus, Macl. vmior, Macl. 



bipunctatus, Macl. obesus, Macl. 



carbonarius, Casteln. Waterhousei, Macl. 



dilatatus, Macl. Tatei, Bates. 



Hopei, Casteln. subsulcatus, Bates. 



Genus, Scaraphites, Westw. 



The insects of this genus are also of great size. The head is 



large, the fi'ontal canals very short or merely depressions, the 



labrum very transverse and rugose, the palpi filiform, and the 



