318 NEW SPECIES OF AUSTRALIAN COLEOPTERA, 



Eyes lateral, distinct; rostrum narrow at base, suddenly- 

 widening to insertion of antennae, parallel thence to apex; 

 antennae inserted about middle of rostrum, scape straight, as long 

 as funicle, club short, obovate. Prothorax subconical, median 

 line invisible on apical half, carinate towards base, base bisinuate. 

 Scutellum small, distinct, circular, within a depression. Elytra 

 wider than prothorax, parallel to apical third, interstices flat, 

 scarcely raised (except posteriorly). Abdomen with a feeble 

 depression at middle of 1st and 2nd segments; apical as long as 

 two intermediate combined. Legs long, femora (especially anterior) 

 thickened. Length 4^, rostrum 1 (vix); width 1| mm. 



Hah.— Forest Reefs, N.S.W. 



Crawling over fences and logs at night time. 



COSSONUS IMPRESSIFRONS, n.Sp. 



Elongate, depressed, feebly shining, glabrous. Piceous-l^lack, 

 under surface (except prosternum), legs and antenna^ reddish- 

 brown. Head and i^ostrum densely punctate, the prothorax less 

 densely but more strongly; elytra striate-jDunctate, punctures 

 large, subquadrate, interstices scarcely visibly punctate, pro- and 

 mesosternum with dense coarse punctures, on the mesosternum 

 and two basal segments of abdomen the}'^ are smaller and some- 

 what irregular, intermediate segments sparsely punctate, apical 

 densely and strongly. 



Head with a moderately large distinct fo\'ea between eyes; 

 rostrum moderately narrow at base, widening to insertion of 

 antennae, parallel thence to apex, flat, a groove continuous from 

 ocular fovea almost to middle, where it distinctly terminates, 

 fi'om thence at the sides a feeble impression; scape straight, 

 thickening to apex, as long as funicle, club obovate, as long as 

 four preceding joints of funicle. Prothorax with feebly bulged 

 sides, an impunctate elevation extending almost from apex to 

 base, with a depression on each side of it. Scutellum distinct, 

 obtriangular, a feeble impression in its middle. Elytra wider 

 than prothorax, feebly decreasing to near apex, alternate inter- 

 stices feeblj'^ raised, all flat and rather narrow. A depression 



