624 LIST OF HOMOPTEROUS INSECTS. 



very little narrower than the chest, notched and slightly retuse on 

 each side of the face which is prominent and truncate in front, and 

 truncate-ohconical behind : fore-chest high in front, rising vertically 

 from the head, indistinctly ridged ; shoulders angular, not promi- 

 nent; horns above compressed, elongate-conical, inclined forward, 

 almost parallel but slightly curved outward, in length about twice 

 the breadth of the chest between them : legs ferruginous ; thighs 

 black: wings colourless; fore-wings black and punctured at the 

 base ; veins pitchy, ferruginous towards the base ; two discoidal 

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



a. Philippine Islands. From Mr. Cuming's collection. 



<^ 60. Centrotus atratus, Mas. 



Ater ; abdomen cinereum^ apice ferrugineum ; tarsi ferruginei, 

 apice supra picei ; alte anticcB suhlurida, hasi nigrce. 



Allied to C. altifrons, but the ridge in front of the fore-chest is 

 more conspicuous, and the horns above the shoulders are broader. 

 Black, clothed with tawny hairs : head transverse, short, closely 

 punctured, a little narrower than the fore-chest between the shoulders, 

 slightly retuse in front, face prominent, notched on each side, 

 conical in front, truncate behind : eyes very prominent : fore- 

 chest deep in front, very slightly convex, roughly punctured, dis- 

 tinctly ridged, rising vertically from the head ; shoulders angular, 

 not prominent ; horns above conical, prismatic, acute, almost hori- 

 zontal and directly diverging, slightly curved backward, hardly 

 inclined upward ; their length not exceeding the breadth of the 

 chest between them ; hind side shorter than either of the other sides : 

 abdomen gray, with black punctures, ferruginous at the tip: feet 

 ferruginous, pitchy above towards the tips: wings slightly lurid; 

 fore-wings black and punctured at the base ; veins black ; two dis- 

 coidal areolets. Length of the body 3 lines ; of the wings 7 lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



^61. Centeotus transiens, Fern. 



Piceus ; pedes ferruginei ; femora nigra ; tibice subdilatalce ; ala 

 limpidce ; alee anficce basi picecs. 



Pitchy, clothed with tawny hairs : head transverse, closely 

 punctured, a little narrower than the fore-chest ; its breadth about 

 twice its length ; front flat, notched on each side of the face which 

 is obconical and about half the length of the head : fore-chest 



