Australian Bivprestidoi. 9 



a quarter as broad again at the base as long ; anterior 

 margin rounded^ three-quarters the length of the base ; 

 sides very slightly rounded, posterior angles produced 

 and acute; base scarcely lobed; disk very deeply and 

 rugosely punctured with an impressed dorsal line, which 

 becomes rather deeper and wider as it approaches the 

 base ; the punctuation of the sides is rather deejoer, on 

 each may be perceived four slightly elevated rounded • 

 tubercles, and near each posterior angle is a shallow longi- 

 tudinal fovea. Elytra a little more than twice as long as 

 wide ; sides sinuate below the shoulders ; apex rounded ; 

 surface punctured; each elytron with four longitudinal 

 ridges, between which are a series of large impressions ; 

 all the ridges unite near the apex, which however they do 

 not reach. Underside and legs punctured, with a fine 

 pubescence. 



Length 5^ lines; breadth If lines. 



Hab. Swan River. 



2. Nascio Pakryi, (PI. I. fig. 11). 



St'igmodera Parryi, Hope, Tr. Ent. Soc. iv. 103. 

 Stigmodera Saundersii, Hope, Tr. Ent. Soc. iv. 213. 



"Nigra, capite antice argenteo, antennis seneis, serratis. 



Thorax niger, punctatus. Elytra miniata, ad basin 



maculis ternis atris insignita, binis externis humer- 



alibus et elongatis, tertioque infra scutellum posito, 



fere rotundato. Circa medium disci semicircularis 



macula ad suturam globum atrum format, apex ely- 



trorum ater est et sub-bidentatus. Corpus infra 



chalybeo-eeneum et punctatum, pedibus concolori- 



bus.''' (Hope). 



Head, thorax, and scutellum black. Elytra red, a spot 



on each shoulder, a diamond-shaped sutural spot below 



the scutellum, a large somewhat- circular spot situated 



about their centre, its edges not quite reaching the lateral 



margins, and the apex for a quarter of the entire length 



of the elytra, black. Underside, legs, and antennae 



bronzy, covered with white hairs. 



Head flat in front, deeply punctured. Thorax a 

 quarter as broad again at the base as long ; anterior mar- 

 gin produced in the centre and at the angles, about the 

 same length as the base; sides and base straight; disk 

 deeply punctured, with a large dorsal impression, the 



