358 Entomological Society. 



majorihus. Caput clypeo integro, ultimo articulo palporum cylin- 

 drico^ apice acuta, prcecedenti majori. Thorax antice emargina- 

 tus, scutellum nullum. Elytra postice acumi7iata. Tibiae an- 

 ticcB trigones externeque dentatce, reliqucB simplices. 



Sp. 1. Trigonotarsus Australis, Hope. Fuscus, cmtennis apice 

 piceis ; thorace piloso, elytrisque concoloribus ; corpus infra 

 squalidum et tomentosum ; tibiis anticis ruhris, antrorsum tri- 

 gonis externe dentatis, dente majori in medio posito. Long, 

 lin. 2i, lat. lin. 1^. 



I have thought proper to make the above insect the type of a new 

 genus ; it approaches nearly to Ccelus of Eschscholtz : as it is my 

 intention to figure it shortly, I pass on to other Heteromera of New 

 Holland. 



Sp. 2. Tagenia funerosa, Hope. Nigra, antennis pilosis ; capite 

 antice depresso ; thorace parum convexo; elytris striato-punctatis 

 et hirsutis, pedibusque nigris. Long. lin. 2, lat. lin. \. 



This insect inhabits Van Diemen's Land. 



Sp. 3. Tagenia leucospila, Hope. Nigra, antennis incrassatis et 

 pilosis^ capite punctata albisque capillis asperso ; thorax trans- 

 verse impressus et punctulatus ; elytra fortiter punctata, punctis 

 duplici serie signatis lineisque aliquot elevatis pilosis, variis- 

 que maculis albis pilosis per discum aspersis pedibusque nigris. 

 Long. lin. 2, lat. lin. \. 



This species occurs at Port Essington and at Swan River, and I 

 believe also at Van Diemen's Land. 



Sp. ^, Platynotus insularis, Hope. Niger, capite fere quadrato ; 

 thorace glabrato, postice angulato, marginibus elevatis ; elytra 

 excavato-punctata, apicibus subacutiusculis ; corpusinfrdnigrum, 

 tarsis piceis. Long. lin. 7, lat. lin. 3. 



I have received this insect from Melville Island ; a very minute 

 specimen has reached me also from Port Essington. 



Sp. 5. Opatrum sphaeroides, Hope. Nigrum, clypeo emarginato, 

 antennis ultimis articulis increscentibu^ et piceis ; thorax punc- 

 tulatus ; elytra rugosa, subtuberculata, pilosa ; corpus infra ni- 

 grum, pedibus concoloribus, tarsis excepiis piceis. Long. lin. 2^, 

 lat. lin. 1|. 



Sp. 6. Opatrum piceitarsis, Hope. Fuscum, capite antice im- 

 presso, antennis piceis ; thorax fere quadratus, angulis anticis 

 parum productis et acutis, posticis vix rectis ; elytra striato- 

 punctata ; thorace triplo longiora ; corpus infra fusco-griseum, 

 femoribus tibiis concoloribus tarsisque piceis. Long. lin. 3|, lat. 

 lin. 1. 



Sp. 7. Isopteron Opatroides, Hope. Fuscum,antennis rubro-piceis ; 

 thorace angulis anticis subacutis, posticis fere rectis ; elytra stri- 

 ato-punctata ; corpus infra atrum punctatum, femoribus tibiis 

 concoloribus tarsisque piceis. Long. lin. 4, lat. lin. \\. — Hab. 

 Western Australia. 



Sp. 8. Asida serricollis, Hope. Nigra, antennis tarsisque piceis ; 

 thorace valde emarginato lateribusque externa serratis ; elytra 

 aliquot lineis minutis punciisque elevatis per totum discum 



