572 LIST OF HOMOPTEROUS INSECTS. 



convex ; face slightly striated across, almost smooth, its hind border 

 obconical, nearly half the length of the head : fore-chest roughly 

 punctured, slightly impressed on each side in front, very thick, 

 armed on each shoulder with a very stout, slightly curved, triangu- 

 lar, almost pointed horn, whose outer sides are slightly concave ; 

 the keel behind the horns is rounded and very convex between the 

 longitudinal furrows, and on their outer sides it is nearly flat and 

 but slightly inclined ; opposite the penultimate abdominal segment 

 it is abruptly attenuated and forms a spine, which extends beyond 

 the tip of the abdomen : hind borders of the abdominal segments 

 ferruginous beneath : legs ferruginous, stout ; anterior thighs armed 

 beneath with a double row of minute black spines ; fore-wings 

 brown, blackish at the base : hind-wings slightly tinged with gray. 

 Length of the body 4 lines ; of the wings 11 lines. 



a. ? Presented by the Entomological Club. 



20. Hemiptycha apicalis, Fern. 



Testacea ; carina attenuata, apice nigra ; alee limpidcB, apicefusc(s; 

 alee anticcB ad costam suhtestacece. 



Testaceous : head veiy short, irregularly triangular, indistinctly 

 striated, slightly impressed, nearly as broad as the fore-chest ; hind 

 border undulating ; fore borders very slightly concave; hind border 

 of the face semicircular, occupying less than half the length of the 

 head: fore-chest punctured, convex, broad, armed with two very 

 long and acute diverging and obliquely ascending horns ; a longi- 

 tudinal furrow on each side of the keel, which is much attenuated 

 towards the black acute tip, and extends to the tip of the abdomen -. 

 wings colourless with brown tips ; fore-wings slightly testaceous 

 along the fore border ; veins yellow ; veins of the hind-wings black. 

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



21. Hemiptycha viridissima. 



Testacea ; cornua humeralia apice nigra ; carina late viridis, fer- 

 rugineo vittata, nigra bimaculata^apicem versus attenuata lutea, 

 apice nigra ; ala anticce fuscce. 



Testaceous : head transverse, a little broader than long, irre- 

 gularly triangular, almost smooth, slightly impressed, much nar- 

 rower than the fore-chest ; borders slightly convex ; hind border of 



