LIST OF HOMOPTEROUS INSECTS. 485 



25. Enchenopa? xiphias. 



Membracis xiphias, Fahr. Syst. Rhyn. 12, 29. 

 S. America. 



26. Enchenopa fissa, Fera. 



Picea ; protlioracis carina undulata, antic e fissa et f areata ; pns- 

 ticc attenuata ; abdomen rufum ; pedes picei ; tarsi fv'lvi ; 

 alee anticee ad apices maculis diiabus mac/nis trigonis costalihus 

 ornatcB. 

 Pitchy : fore-chest punctured ; upper side forming? an undula- 

 ting ridge which in front is divided into two ridges, each of which 

 accompanies one of the forks into which the tip is divided ; under 

 side broader, slightly undulating, with three very minute ridges ; 

 an indistinct ridge along each flank ; hind part attenuated into a 

 long horn which extends over part of the wings : abdomen red : legs 

 pitchy ; feet tawny : fore-wings pitchy, punctured towards the base, 

 reddish beneath, with a very large triangular colourless spot near 

 the tip of the fore border ; fore border slightly convex ; veins pitchy, 

 yellow in the colourless part : hind wings colourless. Length of the 

 body 3 lines ; of the wings 6 lines. 



a. Brazil. From Mr. Shuckard's collection. 



27. Enchenopa subtrigona, Mas. 



Nigra; prothoracis carina antice alta suherecta,- maculis duabus 

 magnis subtrigonis Jiavis utrinque ornata, postice attenuata ; 

 tarsi fulvi ; ales posticce cinerecc. 



Black : front of the head punctured, conical : fore-chest punc- 

 tured, edged in front and along its upper side, almost perpendicular 

 and slightly convex in front, hardly extending beyond the head, 

 above which it has the greatest depth, tapering thence to its tip 

 beyond three-fourths of the length of the fore-wings; between 

 the fore edge and the upper edge are five or six slight diverg- 

 ing ridges ; the upper ridge is slightly undulated, and along it on 

 each side are two large, nearly triangular pale yellow spots : legs 

 black, tarsi tawny : fore-wings black, punctured towards the base ; 

 fore border slightly convex ; hind border straight for half the length, 

 then slightly widening, and again inclined inward towards the tip : 

 hind-wings gray. Length of the body 2 lines ; of the wings 5 lines. 



a. Venezuela. From Mr. Dyson's collection. 



