95 



denly bent near base, much wider near (but not at) base than 

 elsewhere ; basal third coarsely punctate, apical two-thirds- 

 highly polished and almost impunctate. Antennae rather 

 thin; scape the length of funicle. Prothorax feebly convex, 

 sides moderately rounded, suddenly decreasing to apex and 

 rather strongly to base, base feebly sinuate ; with a moderately 

 distinct median carina not continuous to base ; disc with three 

 distinct subcircular impressions : one on each side of middle, 

 the other in middle of base ; with rather large, round, shallow 

 punctures; posterior angles about rectangular. Elytra 

 elongate-subcordate, base trisinuate, median sinus very feeble,, 

 the others small and semicircular ; with series of large, deep,, 

 oblong punctures, becoming smaller towards the sides, and! 

 much smaller posteriorly ; alternate interstices scarcely visibly 

 raised. Under-surface coarsely punctate. Second abdominal 

 segment decidedly raised above third. Tibia? indistinctly 

 striated, the anterior not very distinctly bisinuate beneath, 

 subapical tooth rather indistinct; tarsi thinner than usual. 

 Length, 7 mm. ; rostrum, 2 mm. ; width, 3 J mm. 



Hab. — New South Wales: Richmond River (A. M. 

 Lea). 



The outline of this species is strongly suggestive of 

 Exithius cariosus; the sides of the prothorax and elytra 

 rather rapidly decrease to their junction ; the elytra at their 

 base are considerably narrower than the widest part of the 

 prothorax, whilst in all the other species they are at least 

 as wide. 



OMYDAUS IMPRESS1COLLIS, n. Sp. 



Clothing much as in the preceding species. 



Head coarsely and irregularly punctate ; median carina 

 not traceable; eyes rather finely faceted. Rostrum coarsely 

 and irregularly punctate, punctures dense but finer in front 

 of antennae than elsewhere. Antennae stout; scape noticeably 

 shorter than funicle. Prothorax slightly longer than wide, 

 feebly convex, base strongly bisinuate, basal two-thirds sub- 

 parallel ; with a distinct median carina on apical three-fourths ; 

 disc with shallow but distinct depressions; with dense, large, 

 round, somewhat irregular punctures. Elytra with the sides 

 subparallel from basal fifth to apical third; with series of 

 large, deep, suboblong punctures, becoming smaller, rounder, 

 and deeper at sides, and much smaller posteriorly; alternate 

 interstices irregularly elevated and feebly granulate. Under- 

 surface coarsely punctate. Tibice striated, each much wider 

 at than close to apex, anterior feebly bisinuate beneath, the 

 subapical tooth rather small, the terminal hook unusually long. 

 Length, 9 mm.; rostrum, 2J mm. ; width, 3j mm. 



