BY EDWARD NEWMAN. 391 



These three Hispcc were taken by Messrs. Doubleday and 

 Foster, at Trenton Falls, in North America. Philemon and 

 Baucis may prove to be the sexes of the same species. 



Natural Order. — Criocerites, Newman. 

 Genus. — Don acta, Fahricius. 



Dona, cincticornis. Antennce elongate, utroqne articulo hasifavo, 

 apicenigro: 'certex nitidus : prothoraa- quadratus, minutissime 

 punctatus, linea dorsali impressus : caput et prothorax nigro- 

 cenea : elytra testacea^ nitida, complanata, apice truncata : 

 metafemora elongata, incrassata, hidentata : pedes tesfacei, 



■■■ femoribus nigro-bivittatis. (Corp. long. 'S25 unc. ; lat. '1 

 unc.) 



Dona, cataractse. Viridi-cenea : antenna? breves, ferruginew, 

 articulo basali metallico: vertex nitidus: protliorax antice 

 latior, lateribus sub-tubercidatis : elytra convexa apice rotun- 

 data : pedes ferruginei femoribus apice metalUcis. (Corp. 

 long. "S unc. ; lat. "085 unc.) 



Dona, rugifrons. Viridi-cenea : antennce ferruginew, articulis 

 apice fuscis : vertex rugosus hand nitidus: protliorax fere 

 precedentis i elytra convexa, apice rotundata, utriusque dorsum 

 prope suturam bi-impressum: femora tibiceque basi ferruginea, 

 apice fusca, mefallica. (Corp. long. -275 unc. ; lat. '085 

 unc.) 



These three species were taken by Messrs. Doubleday and 

 Foster, at Trenton Falls, in North America. 



Genus. — Orsodachna, Latreille. 



Orso. costata. Pallide ochi'ea ; oculis nigerrimis: mandibidi 

 apice nigri : caput punctatmn : prothoracis latera suhserrataf 

 dorsum rugose punctatum: scutellum mimite punctatum: elytra 

 profundi punctata, carina elevatd costali instructa. (Corp. 

 long. '25 unc. ; lat. *! unc.) 



Orso. ruficollis. Caput, elytra et abdomen nigra : os, antetince 

 et pedes picea: protliorax rufus. (Corp. long. "25 unc. ; lat. 

 •085 unc.) 



