556 STUDIES IX AUSTRALIAN ENTOMOLOGY, NO. IX., 



pliu'ipunctate, apical curve lightly sinuate on each side; mentum 

 with median tooth short, wide, obtuse. Head black; pro thorax 

 black, sometimes with a greenish tinge towards base ; elytra 

 blackish-green; under surface and legs piceous-black ; antennas 

 ferruginous, second and third joints clouded with black; palpi 

 reddish-piceous. 



Head smooth, convex; frontal impressions well marked; clypeal 

 suture distinct; eyes prominent; orbits a little swollen behind 

 eyes. Prothorax subquadrate (4 x 5 mm.), widest about middle 

 (at marginal setigerous puncture), depressed, roundly declivous on 

 each side anteriorly; sides rounded, more strongly so anteriorly 

 than posteriorly; anterior margin emarginate; base truncate (sub- 

 emarginate in middle); anterior angles obtuse; basal angles widely 

 obtuse; border narrow, wanting only on middle of anterior margin; 

 median line fine. Elytra wider than prothorax (10x6-3 mm.), 

 strongly striate; striole at base of second interstice elongate; 

 interstices subnitid, minutely shagreened, hardly convex on dorsal 

 surface, becoming convex towards apex (es[)ecially interstices 6-8), 

 third with about seven widely placed punctures along its course. 

 Length 15 -7-1 7 -3, breadth 5 7-6 4 mm. 



Hal. : KS. Wales— Wilcannia (R. Helms). 



Allied to Gn. riverinm, SI., from which it difters conspicuously 

 by its larger size, bi'oader and more depressed form, interstices of 

 elytra hardly convex on dorsal surface, sides of prothorax more 

 ampliate in middle, etc. 



Gnatiiaphanus herbaceus, n.sp. 



Broad, depressed; head not large; prothorax shagreened, opaque 

 near base, posterior angles obtuse; elytra with third and fifth 

 interstices pluripunctate, apical curve lightly sinuate; mentum 

 with median tooth feebly developed (short, wide, obtuse). Head 

 greenish-black, prothorax blackish-green, elytra green ; under 

 surface shining black with faint greenish reflections in places; legs 

 black; antennae subpiceous, basal joint testaceous; palpi reddish- 

 piceous. 



