94 LIST OF HOMOPTEROUS INSECTS. 



Testaceous. Vertex very narrow ; its sides very much elevated, 

 and forming two high ridges, which are beset with bristles, and 

 have each a black dot in front, where they form two short burns; 

 front vertical, keeled, linear, very long and narrow, its sides much 

 elevated ; face lanceolate. Prothorax very small. Mesothorax with 

 three black stripes. Abdomen gibbons above and at the base 

 beneath; hind borders of the segments red; under side mostly 

 black. Fore wings slightly lurid, seraivitreous; costa slightly con- 

 cave; interior border convex, black ; veins piceous: veinlets few. 

 Hind wings grayish ; veins pale. Length of the body 3 lines; of 

 the wings 6 lines. 



a. Tapayos. From Mr. Bates' collection. 



Hysteropterum mutilatum. 



Nigricans^ breve, crassum, subtus testaceum; vertex transversiis, 

 postice excavatus ; frons fere plana, vix elongata, postice 

 obliqua, arttice erecta suhdilatata ; fades lanceolata, carinata ; 

 mesothorax tricarinatus ; pedes testacei ; alee anticce luridcs, 

 breves, latce, apud costam viridescentes, extus vix dilatata, 

 lituris duabus discalibus nigris, costa margineque exteriore 

 vix convexis, margine interiore subconcavo angulis rotim- 

 datis. 



Blackish, short, thick, testaceous beneath. Vertex transverse, 

 its hind borders much excavated in the middle; front almost flat, 

 hardly longer than broad, oblique towards the vertex, vertical and 

 slightly widened towards the face, which is lanceolate and keeled. 

 Prothorax transverse. Mesothorax triangular, with three indistinct 

 keels. Legs testaceous. Fore wings lurid, short, broad, vertical, 

 greenish along the costa, with two black marks in each disk, very 

 slightly widening outward ; costa and exterior border hardly convex ; 

 interior border slightly concave ; angles rounded ; veins few, in- 

 distinct. Length of the body 2 lines ; of the wings 4 lines. 



a. Santarem. From Mr. Bates' collection. 



Genus HEMISPHCEEIUS, Cat. Horn. p. 377. 



Hemisphcerius Schaumi. 

 Hemisphoerius Schaumi, Stal. Kongl. Vet. Akad. Handl. 1855. 

 Ceylon. 



