220 INSECTS OF THE CAIRNS DISTRICT, NORTHERN QUEENSLAND, 

 12. HoMALOSOMA OBSCUEIPENNE. 



Elongate-ovate, black, head and thorax nitid, elytra opaque. Head 

 long, very smooth, a longitudinal impression on each side between 

 the eyes, the clypeus equal in length to the labrura, with a deep 

 puncture on each side. Thorax subcordiform, slightly broader 

 than the head, and longer than broad, considerably narrowed at 

 the base, moderately margined, with a transverse impression near 

 the apex and base, a well-marked median line and a broad shallow 

 depression near each posterior angle. Elytra elongate-ovate, 

 widest in the middle, the humeral angles rounded, nowhere 

 broader than the thorax, with seven faint irapunctate striae on 

 each elytron, the interstices costate and of equal size and the 

 ridges almost sharp. The legs, antennse and palpi are piceous 

 black. 



Length, 12 lines. 



Hah. — Mossman River. 



These are not by any means all the new species of Carabidce in 

 the Cairns collection, but the others are chiefly Feronidce, and I 

 am unwilling to add to the already overwhelming numbers of that 

 group, until some more explicit and intelligible system of subdi- 

 vision is devised for them. 



LAMELLICORNIA. 



Family COPRID.E. 

 13. Cephalodesmius cornutus. 

 Shortly ovate, longer than broad, moderately convex, black, 

 sub-opaque. Head broad, hemispherical, roughly-punctate, each 

 puncture furnished with a minute cinereous scale ; the clypeus 

 large, with the margin recurved, and a large horn abovxt I the 

 length of the head, of flattened shape and slightly emarginate at 

 the apex, springing from the centre of the apex, curving outwards 

 and upwards, and with, one on each side of it, the clypeus sharply 

 toothed and indented. Thorax transverse, convex, deeply emar- 

 ginate in front to receive the head, the anterior angles rather 



