622 LIST OF HOMOPTEBOUS INSliCTS. 



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

 above quadrihiteial, hinceolate, ascending, much diverging, hardly 

 inclined forward, very slightly curved outward ; their length equal 

 to twice the hreadth of the chest between thein ; 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 2i lines ; of the wings 5 

 lines. 

 a. China ? 



66. Centrotus contkactcs, Fem. 



Picetis; pectus et scutellum Jlavo pubescenlia; alee limpidte ; alee 

 anticce basi picew. 

 Pitchy, clothed with pale lawny 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 lip 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 tlie base ; veins ferraginous, very 

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

 wings 7 lines. 

 a. New Holland. Presented by the Haslar Hospital. 



57. Centrotus faloatus, Mas. 



Picevs ; pectus Jlavo hirtum ; abdomen nigrum, albo hirtum ; 

 pedes ferruginei ; alee anticce iurida, basi picete ; alee posticee 

 sublitnpida;. 

 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 



