181 



variegata. Corpus infra fusco-cinereum, pedibus 

 concoloribus, femoribus posticis incrassatis et uni- 

 dentatis. Habitat in Nova Hollandia. 



This singular form uniting in itself the genera 

 Donacia and Sagra, I have named in honour of the 

 Marquis Maximilian Spinola, author of various pub- 

 lications on the Entomology of Europe. 



Sagrim:, Leach. 

 Mecynodera, Hope. Novum Genus. 



Type of the Genus Sagra Picta Hope's MSS. 



Corpus sagri forme. 



Antenna ante oculos insertse, setaceae, articulo 

 Imo. crassiori, 2do.brevi, reliquis magnitudine aequa- 

 libus apicali autem acuto. 



Labrum transverso-quadratum, tomentosum an- 

 gulis anticis rotundatis. 



MandibulcB falci formes, apice acuto integro, mar- 

 gine interno ciliato. 



Maxilla basi corneae, apice bilobae, lobis ciliatis, 

 rotundatis. 



Palpi maxillares articulo lmo. minimo vix con- 

 spicuo, 2do. longo, obconico, 3tio. crassiori obtrigono, 

 extimo ovato subtruncato. 



Mentum breve, margine antico recto, angulis 

 anticis rotundato-productis. 



Palpi labiates articulo lmo. brevi, 2do. elongato, 

 obconico, tertio ovato. 



Elytra thorace duplo latiora, antice truncata, 



