LIST OF HOMOPTEROUS INSECTS. 493 



pressed and not much produced : its length before the shoulders not 

 exceeding its breadth between them ; upper ridge slightly undu- 

 lating, extending to the tip of the abdomen, adorned with two pale 

 yellow spots, one a little l)eYond the base of the fore-wings, the other 

 at the tip ; two ridges on each side, diverging hindward, the lower 

 one short, the upper slightly undulating and extending to the border 

 at two-thirds of the length of the fore-chest ; tarsi tawny : fore- 

 wings dark brown, slightly punctured at the base of the fore border, 

 with two discoidal areolets : hind-wings pale gray; veins black. 

 Length of the body 1 J line ; of the wings 3 lines, 

 o. United States. Presented by E. Doubleday, Esq. 



40. Enohenopa ascendens, Fem. 



Picea, angttsta ; prothorax cornu compresso lincari abrupti atcen- 

 dente ferruyineo-quadrivittato annalus ; pectus et abdomen 

 nigra ; jwdes ferruginei. 



Pitchy, very narrow : head almost triangular, a little longer 

 than broad, hardly narrower than the fore-chest: eyes prominent : 

 fore-chest roughly punctured, very slightly ridged, transversely im- 

 pressed near the fore border, prolonged in front of the head into a 

 compressed abruptly ascending linear horn, its length is about four 

 times its breadth, and it has two parallel ferruginous stripes on each 

 side ; hind part of the fore-chest extending beyond the tip of the ab- 

 domen, having on each side a slight ridge which converges towards 

 the acute tip ; breast and abdomen black : legs ferruginous ; tibise 

 flat, fusiform : wings pitchy, long and narrow ; fore-wings punctured 

 with the exception of their tips and some part of the hind border. 

 Length of the body 3i lines; of the wings 8 lines. 

 a. Columbia. From Mr. Turner's collection. 



41. Enchenopa sericea, Fem. 



Ferruginea ; prothorax cornu porreetn compresso sxibascendente 

 attenuato armatus ; pectus ct abdomen nigra ; ala nigro-fusae. 

 Ferruginous, clothed with yellow down : head conical, a little 

 longer than broad, narrower than the foie-chest : fore-chest thickly 

 and minutely punctured, ridged, prolonged in front of the head into 

 a much compressed slightly ascending horn, which decreases very 

 little in depth from the base to the tip an(^ is there rounded, its 

 length is about thrice its depth and it has three ridges along each 

 side ; the upper pair of ridges inclose a long narrow lanceolate com- 



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