179 



gulis anticis productis. Labium 4-dratum antice 

 vix emarginatum setosum. 



Palpi labiates articulo basali minuto 2do, oblongo 

 obconico subcurvato, ultimo ovato acuto. 



Thorax capite vix latior, lateribus postice rotun- 

 datis. 



Elytra oblongo quadrata postice rotundata. 



Pedes longitudine mediocres, setosi femoribus gra- 

 cilibus. 



Ptecilomorpha Passerinii, Hope. Long. lin. 3J. 

 lat. lin. lj. Cyanea, thorace flavo, in medio nigro- 

 maculata, elytris cyaneis punctatis, corpore infra 

 testaceo. 



Antennae fuscopiceae. Caput nigro-violaceum 

 oculis prominentibus atris, thorax flavus, macula 

 media longitudinali notatus. Elytra cyanea, punc- 

 tatissima. Corpus infra testaceum femoribus con- 

 coloribus, posticis crassioribus. Tibiis fuscis et 

 curvatis. 



Habitat in Sierra Leona. In Mus. Dom. Hope. 



This elegantly formed insect is named in honour 

 of Professor Passerini of Florence, well known as 

 a celebrated Entomologist. 



Sagrim:, Leach. 

 Ametalla,* Hope. Novum Genus. 



Type of the genus Donacia Spinolae Hope. 



Forma donaciformis. 



Antenna setaceae ante oculos insertae, articulo 



* From the Greek a non, and fieraWov, as contrasted with true 

 Sagrae, which are richly metallic. 



