160 ON THE AUSTRALIAN CLIVINIDES, 



embedded, hardly more prominent than supra-antennal plates; sides 

 of head behind eyes finely and densely rugose-punctate; guise 

 hardly rugulose. Mandibles short, flat. Mentum deeply and 

 obliquely emarginate; lobes rounded at apex; median tooth broad, 

 long, triangular. Prothorax a little broader than long (2'1 x 

 2'25 mm.), not narrowed anteriorly, convex, transversely striolate 

 towards sides; anterior margin truncate; anterior angles lightly 

 advanced; posterior angles rounded; basal curve short; border 

 narrow; median line well marked, linear; anterior line variable 

 (sometimes well marked, sometimes obsolete); lateral basal 

 impressions usually well marked, elongate (reaching beyond 

 middle of prothorax), rugulose. Elytra convex, a little wider 

 than prothorax (5 x 25 mm.), parallel on sides, truncate at base, 

 widely rounded at apex; . stri?e punctate for whole length, more 

 lightly impressed towards apex; interstices lightly convex towards 

 base, eighth not carinate at base, distinct and wide (not carinate) 

 on apical curve. Prosternum with intercoxal part attenuate 

 anteriorly, transversely sulcate on base; episterna minutely 

 shagreened, with fine wav}'^ transverse striolse. Ventral segments 

 smooth. Anterior femora short, wide; anterior tibiae 4-dentate, 

 the upper tooth prominent, triangular; intermediate tibise with 

 external sj^ur long, acute. 



Length 7 6-9, breadth 2-2-5 mm. 



Hah. : North Queensland (from Mr. French); S. Australia — 

 Lake Callabonna (Zietz). 



The specimen of which the measurements are given in the 

 description is 9 mm. in length. 



C or onata y r ou p. 



Size small. Head depi'essed; eyes not prominent; clypeus with 

 five triangular projections along anterior margin; supra-antennal 

 plates also triangular in front. Elytra with four inner stripe free, 

 fifth joining sixth at base. Prosternum with intercoxal part 

 attenuate anteriorly. Anterior tibiae 4-dentate. 



