606 LIST OF HOMOPTEROUS INSECTS. 



obliquely, prismatic, broad, much compressed, curved backwards ; 

 inner side as broad as the outer side and about twice the breadth of 

 the hind side ; on the inner edge of the hind side near the tip of 

 the triangle there is a short branch or tooth ; hinder horn of the 

 fore-chest much compressed, highly arched, descending nearly to 

 the tip of the abdomen, which it equals in length, slightly widening 

 where it approaches the abdomen, and thence more horizontal and 

 tapering to the tip : tarsi ferruginous: wings brown ; veins pitchy. 

 Length of the body 3^ lines ; of the wings 7 lines. 



a. Port Natal. From M. Gueinziiis' collection. 



^18. Centrotus pilosus, Mas. 



Ferruyineus^ albido-puhescens ; prothorax nigro varius^ apicem 

 versus fulvus ; pectus et abdomen picea ; pedes fulvi ; ala an- 

 tiece sublimpidcBy margine postico fusco maculatce. 



Ferruginous, most thickly clothed with dingy white down : head 

 and fore-chest punctured: head short, transversely subfusiform, a 

 little narrower than the fore-chest, brassy in front ; its breadth nearly 

 twice its length ; face small : fore-chest deep in front, partly black, 

 rising almost vertically from the head, slightly ridged ; shoulders 

 obtusely angular, somewhat prominent ; horns above rather long, 

 broad, irregularly prismatic, slightly diverging and inclined forward ; 

 their tips more diverging, almost trifurcate, slightly widened ; inner 

 side and outer side much broader than the hind side ; angles slightly 

 serrated ; of the three forks or angles at the tip the fore one is 

 slightly obtuse, the middle one acute, and the hind one rectangular ; 

 hind horn stout and vertical for a short space from the base, then 

 forming a right angle and extending backward much beyond the 

 tip of the abdomen ; hind part tawny, slender, tapering, very slightly 

 undulating, with a black acute tip : breast and abdomen pitchy ; 

 legs tawny ; wings almost colourless ; a brown spot on the hind 

 angle of each fore-wing; veins tawny, here and there brown. Length 

 of the body 2 lines ; of the wings 4^ lines. 



a. North India. From Mr. Warwick's collection. 



19. Centrotus bipennis. 



Ferrugineus ; prothorax jlavo bifasciatus ; pedes flavi ; alee anticce 

 fusccB margine postico piceo maculata ; alee posticoe limpidce. 



Ferruginous : head very short, transversely subfusiform, finely 

 punctured, a little narrower than the fore-chest; hind border slightly 



