BY THE REV. T. BLACKBURN. 1237 



cmargination forming a very obtuse angle with each other. The 

 entire head (inchiding the clypeus) is very evenly punctulate. 

 Subject to the above remarks the description of H. diver sleeps may 

 be read as applying to this species. It must be noted, however, that 

 the clypeal suture is less straight being somewhat conspicuously 

 angulated in the middle, that the prothorax is slightly less trans- 

 verse and more narrowed anteriorly with the base a little more 

 (and the front a little less) bisinuate, that the hind coxae are 

 scarcely so short, that the ventral segments are much more finely 

 punctured, that the teeth on the front tibiae are sharper, and that 

 in the hind claws the produced apex of the basal piece seems a 

 trifle larger. 



Mulwala, N.S.W. ; taken by Mr. T. G. Sloane. 



H. QUADRATICOLLIS, sp.nOV. 



Minus elongatus ; postice leviter dilatatus ; sat nitidus ; ferru- 

 gineus ; pilis adpressis minus brevibus minus sparsim vestitus; 

 sat crasse minus profunde minus crebre (clypeo sat crebre excepto) 

 punctulatis ; labro sat fortiter porrecto clypei superficiem haud 

 attingenti ; antennis 9-articulatis ; unguiculis posticis appendicu- 

 latis, elongatis, gracilibus. [Long. 3?, lat. I5 lines. 



This species seems to be a close ally of the preceding three 

 species although considerably larger than any of them. The head 

 scarcely differs from that of H. dive^'siceps except in being a little 

 wider, with the clypeus slightly more emarginate in front. The 

 description of II. diversiceps may be read as applying to this 

 insect with the following additional modifications : — the anterior 

 angles of the prothorax, though scarcely so sharp, are much more 

 prominent, the hind angles of the same are fairly defined, the base 

 is evidently bisinuate and the puncturation is stronger and closer, 

 being almost uniform with that of the elytra ; the hind coxae are 

 much longer, being considerably longer than the second ventral 

 segment, and (although decidedly yet) not very much shorter than 

 the metasternum : the three external teeth of the front tibiae are 



