LIST OF HOMOPTEROUS INSECTS. 529 



side compartments ; hind part of fore-chest deeply keeled, convex, 

 much compressed, very slender towards the tip, which is black and 

 acute : abdomen rather long : wings colourless ; veins yellow. 

 Length of the body 4 lines ; of the wings 9^ lines. 



a. ? Presented by the Entomological Club. 



■-•IS. Ceresa alta, Fern. 



Testacea ; cornua lateralia brevia, apice nigra ; prothorax apice 

 niger ; alec limpidcB. 



Testaceous : head and fore-chest finely punctured : head trans- 

 verse, slightly hairy, hardly pointed in front, very slightly convex in 

 the middle and concave on each side of the hind border : fore-chest 

 deep, with a slight middle ridge in front, extending hardly beyond 

 the tip of the abdomen, rising perpendicularly above the head, and 

 there forming across a slightly obtuse angle ; behind this a flat tri- 

 angular curvilinear compartment, whose angle on each side is 

 formed by the humeral horn, which is acute, short, with a black tip, 

 not curved backward, and has hardly concave side-compartments ; 

 hind part of fore-chest deeply keeled, convex, compressed, very 

 slender towards the tip, which is black and acute : wings colour- 

 less; veins yellow. Length of the body 3|- lines ; of the wings 8 

 lines. 



Ol6. Ceresa plana, Mas et Fem. 



Testacea; cornua kumeralia pi ceo vittata, apice picea ; cornupos- 

 ticum apice piceum ; pedes fulvi ; femora postica nigra ; alcB 

 limpidce ; alee anticee margine postico apicem versus fulvce, 

 costcB apice f usee maculatce. 



Pale testaceous, shining : head short, transversely subfusiform, 

 nearly as broad as the fore-chest between the shoulders, flat, thinly 

 punctured, slightly nigulose ; hind border very slightly undulating ; 

 fore border convex ; hind part obconical, occupying less than half 

 the length of the head ; fore-chest roughly punctured, very slightly 

 ridged, flat in front and rising vertically from the head ; fore border 

 slightly undulating ; shoulders rounded, not prominent ; horns 

 above diverging, almost horizontal, acute, very slightly inclined 

 backward, prismatic, pitchy at their tips, whence a broad pitchy 

 stripe proceeds across the shoulder to the breast ; their inner side 



•2 A 3 



