199 



motum near the hind angles, This appears to be merely the 

 depression which is more or less distinctly traceable at no 

 great distance from the hind angles in most (if not all) 

 Heteronyces. It certainly varies in distinctness within the 

 limits of a species, but I think there are slight differences in 

 its exact position on the pronotum which are probably specific ; 

 I have not, however, been able to regard this character as 

 available for distinguishing species, on account of the differ- 

 ences of position being slight and the difference in distinct- 

 ness being so variable as it is. I have a specimen from North- 

 West Australia (certainly subglaber) in which the impression 

 is scarcely tra.ceable. 



II . Cowelli, Blackb. An examination of the type speci- 

 men of H. concolor, Macl., has satisfied me that it is iden- 

 tical with H. Cowelli, and consequently the latter name must 

 be dropped. H . concolor is not identical with the species 

 which I referred to in Proc. Linn. Soc, N.S.W., 1889, p. 

 €82, as probably that insect. 



H . major, sp. nov. Modice elongatus, postice sat dilatatus ; 

 minus nitidus ; obscure fuscus, an tennis palpisque ferru- 

 gineis; supra pilis adpressis brevibus sat dense vestitus, 

 pronoto antice pilis elongatis erectis fimbriato ; clypeo 

 crebre subtilius ruguloso, antice late leviter emarginato ; 

 labro clypei planum superanti, antice late perpendiculari ; 

 capite antice (a tergo oblique viso) tripliciter convexo 

 (parte mediana quam laterales sat angustiori) ; fronte 

 crebre aspere minus subtiliter punctulata; hac clypeoque 

 ut plana sat disparia visis ; antennis 9-articulatis ; pro- 

 thorace quam longiori ut 14 ad 9 latiori, antice sat for- 

 titer angustato, supra crebre sat subtiliter nee leviter 

 punctulato (puncturis circiter 40 in segmenti longi- 

 tudine), lateribus (superne visis) sat arcuatis, angulis 

 anticis sat acutis sat productis posticis (superne visis) 

 rotundato-obtusis, basi sat fortiter bisinuata, margine 

 basali sat asquali ; elytris longitudinaliter vix obsolete 

 costulatis, confertim subtiliter minus leviter punctulatis 

 (trans elytron puncturis circiter 50) ; pygidio crebre sub- 

 tilius nee leviter punctulato ; coxis posticis quam meta- 

 sternum haud brevioribus, quam segmentum ventrale 2 um 

 multo longioribus ; tarsorum posticorum articulo basali 

 quam 2 US sat breviori, 3° sat asquali ; unguiculis posticis 

 elongatis appendiculatis, parte basali quam apicalis vix 

 longiori. Long., 8 1.; lat., 3f 1. 



'One of the large species of the genus, and bearing much 

 general resemblance to all the other species of the aggregate 

 C in A A, B. It is, however, quite easily distinguishable 



