366 Linnean Society. [Mar. 21, 



Obs. The name given to the male 6f this species is here retained 

 in preference to that of the female, in accordance with the usual 

 custom in such cases. 



3. B. Taurus ; castaneus uitidus, capitis vertice utiinquelaminis duabus 

 auriculatis erectis instructo corniibusque duobus elongatis curvatis iiigris 

 ante oculos armato, pronoto in medio versus marginem anticmn parum 

 reflexo sen tiiberculis duobus ti'ansversis subelevatis instructo ; lateri- 

 bus punctatis. — Long. corp. hn. 8. 



Hah, ad Swan River. In Mus. Hope (olim Gory, sub nomine manu- 

 scripto supra indicato ; etiam in Mus. Saunders). 



4. B. Capueolus; castaneus uitidus, capite postice nigricante; vertice 

 cornu lato furcato 6-dentato erccto armato, pronoto antice vetuso glabro, 

 dorso caring transversa pone medium instructo, mandibulis magnis 

 extus denticulatis. S . — Long. corp. hn. 9. 



Hah. in No\a Hollandia, Swan River. In Mus. Hope (ohm Mus. Gory, 

 cum nomine supra inscripto designatum). 



5. B. Bainbridgii ; piceus, capitis clypeo antice tridentato, dente inter- 

 niedio minori; vertice inermi, pronoto antice valde declivi dente erecto 

 versus marginem anticum; parte dechvi supra carina ciuvata mar- 

 ginata. — Long. corp. lin. 7. 



Hah, in Nova Hollandia, Swan River. In Mus. D. Hope. 



Of these species, as well as of B. (^Elephastomus) Australasiee, Kirby, 

 B. serricoUis, Bainbridge, B. hastifer, Bainb., B. Z-tuherculatus, 

 Bainb., B. 7-tubercuIatus, Bainb., B. coronatus, Klug, B. quadricornis , 

 Klug, B. neglectus, Hope, B. rotundatus, Hope, and B. rubescens, 

 Hope, Mr. Westwood adds figures, either of the whole insect or of 

 the more distinctive parts. He also figures and describes a new sub- 

 genus with the following characters : — 



Subgenus Stenaspidius. 

 Corpus magis elongatum quarn in BoJhocerath veris ; sculello elongato 

 (nee triangulari) ; elytris striis 5 tantiim inter humeros et suturam ; 

 mesosterno porrecto. DifFert etiam colore antennaiaim. 



Bolboceras (Stenaspidius) NiGRicoRNis; ovalis niger nitidus sparsim 



punctatus, capite tuberculo conico inter oculos, pronoto canali punctate 



medio aliisque duobus abbreviatis pone oculos, elytris striato-punctatis. 



— Long. corp. Hn. S^. 



Hah. in Nova Hollandia. In Mus. D. Hope (olim Gory, cum nomine 



supra indicato inscripto). 



