BY THOMAS G. SLOAN E. 303 



wilcood. This is a point which collecting on the Clarence River 

 should eventually settle. 



Hab. — Clarence River (Jide Castelnau). 



NOTONOMUS VIOLACEOMARGINATUS, Maclcay. 



Trans. Ent. Soc. N.S.W. 1871, ii. p. 108; Notonomus jiuiyii^rei- 

 pe7inis, Macl., Lc, p. 107. 



9. Oval. Prothorax subquadrate ; sides not sinuate before 

 base; basal angles obtuse; posterior marginal puncture placed a 

 little before base on inner side of marginal channel : elytra 

 truncate-oval, deeply striate; interstices depressed, third 2-punc- 

 tate; humeral angles lightly dentate. Head and prothorax of a 

 greenish-black ; el3^tra opaque, purple-black, lateral channel 

 cyaneous; under surface and legs black. 



Head moderate (3*1 mm. across eyes), wide between eyes; front 

 shortly and distinctly biimpressed. Prothorax subquadrate 

 (4-2x5 mm.), widest about middle, depressed ; sides lightly 

 rounded, gently narrowed to base in an even curve; apex lightly 

 emarginate, narrower (3-4 mm.) than base (3-8 mm.); anterior 

 angles widely obtuse, distant from head; base emarginate in 

 middle, sloping forward on each side in a gentle curve; median 

 line reaching from base to near apex; lateral basal impressions 

 elongate, narrow at bottom. Elytra truncate-oval (10x6 mm.), 

 strongly sinuate on each side of apex, rather depressed on disc, 

 lightly declivous to apex, abrupt on sides; basal border very 

 lightly curved on posterior margin, a little raised and slightly 

 prominent at humeral angles ; lateral channel wide ; border 

 narrow, reflexed ; sixth interstice hardly narrower than fifth 

 except near base, seventh wide, eighth a little wider than ninth 

 on basal half, tenth well developed, narrow, elongate before apical 

 sinuosity. Intercoxal declivity of prosternum flat ; of meso- 

 sternum flat. Length 16*5, breadth 6 mm. 



Hab. — Q. : Gayndah (Masters and Spencer). 



I have compared the specimen (9), on which the above descrip- 

 tion is founded, with Macleay's types of N. piLVpureipennis and 



