APPENDIX. 305 



ties ; crown of the head blue ; eyes bright red ; mouth yellow ; 

 feelers tawny ; third joint black ; bristle black, shorter than the 

 chest ; abdomen golden-green ; legs pale yellow, long and slender, 

 clothed with short black hairs ; feet pitchy towards the tips ; wings 

 colorless ; wing-ribs and poisers tawny ; veins pitchy. Length of 

 the body 2 j lines, of the wings 5 lines. 



a. ~New York. Presented by the Entomological Club. 



6. New York. Presented by E. Doubleday, Esq. 



Page 646. Psilopus gemmifer, n. s., Mas. 



Yiridis, cyaneo purpureoque varius, antennis nigris, pedibus 

 flavis, alis limpidis, costa apicem versus nervisque transversis 

 fusco-nebulosis. 



Body bright green, beset with black hairs and bristles ; head 

 covered in front with silvery down ; eyes red ; mouth tawny ; 

 feelers black, as long as the head and the chest, disk of the chest 

 bluish-green, tinged with purple ; scutcheon purple ; sides and 

 breast covered with silvery bloom ; abdomen slender ; tip bluish 

 purple ; appendages dark tawny ; legs yellow, beset with black 

 hairs and bristles, which are most thick on the feet ; four hinder 

 hips green ; thighs clothed with white hairs ; feet towards the tips 

 and hind feet pitchy ; wings colorless, clouded with pale brown 

 towards the tips of the fore borders and along the cross-veins ; 

 wing-ribs tawny ; veins black ; poisers tawny. Length of the 

 body 2^ lines, of the wings 5^- lines. 



a. Trenton Falls. Presented by E. Doubleday, Esq. 



Page 646. Psilopus chrysoprasi, n. s. 



Aureo-viridis, capitis vertice purpureo-cyaneo, scutello abdo- 

 minisque basi purpureis, abdominis segmentorum suturis ffineo- 

 purpureis, antennis nigris, pedibus piceis, femoribus viridibus, 

 tibiis anterioribus tarsisque anticis fulvis, alis subcinereis. 



Body golden-green, beset with black bristles ; head purplish- 

 blue on the crown, slightly covered with white down in front ; 

 eyes bright red ; mouth and feelers black ; scutcheon purple j ab- 

 domen adorned with purple towards the base ; sutures of the seg- 

 ments brassy-purple ; legs pitchy, thickly clothed with short black 

 hairs ; hips and thighs green ; hips slightly covered with white 

 bloom, thighs fringed with white hairs ; fore shanks pale tawny ; 

 middle shanks and fore feet dark tawny ; wings slightly gray ; 

 20 



