622 LIST OF HOMOPTEEODS INSECTS, 



tically from the head ; shoulders rounded, not prominent : horns 

 above quadrilateral, lanceolate, ascending^, much diverging, hardly 

 inclined forward, very slightly carved outward ; their length equal 

 to twice the breadth of the chest between them ; hind appendage 

 long, almost straight, tapering, very slender : breast and abdomen 

 pitchy: legs ferruginous: fore-wings lanceolate, slightly tinged with 

 tawny, tawny and punctured at the base ; veins ferruginous: hind- 

 wings colourless. Length of the body 2^ lines ; of the wings 5 

 lines. 



a. China? 



56. Centeotus conteactus, Fem. 



Piceus ; pectus et scutellum Jlavo pubescentia ; ala limpida ; alcB 

 anticce basi picece. 



Pitchy, clothed with pale tawny down : head transverse, rather 

 roughly punctured, a little narrower than the fore-chest between the 

 shoulders, notched and slightly retuse on each side of the face, which 

 is spindle-shaped prominent and a little longer than the hind part 

 of the head : fore-chest rather high, very roughly punctured, hardly 

 ridged, rising vertically from the head ; shoulders obtusely angular, 

 not prominent ; horns above very thick, quadrilateral, ascending, 

 slightly diverging, twisted, dilated towards their tips which are trun- 

 cated and have very acute outward angles; length of the horns equal 

 to twice the breadth of the chest between them ; hind appendage 

 keeled, extending far beyond the tip of the abdomen, slightly curved, 

 tapering from the base to the tip, rather deep towards the base, 

 slightly undulating along the ridge : breast and sides of the scu- 

 tellum clothed with yellow down : wings colourless ; fore-wings 

 pitchy and punctured towards the base ; veins ferruginous, very 

 thick; two discuidal areolets. Length of the body 3 lines ; of the 

 wings 7 lines. 



a. New Holland. Presented by the Haslar Hospital. 



57. Centrotus falcatus, Mas. 



Piceus; pectus flavo hirtum ; abdomen nigrum, albo hirtum ; 

 pedes ferruginei ; ales anticce I uridcB, basi picece ; alee posticce 

 sublimpidcB. 



Pitchy, clothed with dingy white hairs : head transverse, flat, 

 finely punctured, angular in front, a little narrower than the fore- 

 chest ; face narrow, a little less than half the length of the head: 

 fore-chest rather low, very slightly ridged, roughly punctured, rising 



