LIST OF HOMOPTEROLS INSECTS. 619 



punctured, sliglitly inclined backward above the head ; shoulders 

 angular, hardly prominent ; horns above them broad, prismatic, 

 diverging, slightly ascending, hardly curved backward ; their tips 

 oblique, acute and ferruginous ; hind side about half the breadth of 

 each of the other sides ; length of the horns equal to the breadth of 

 the chest between them ; hind appendage rather flat, slightly keeled, 

 not extending to the tip of the abdomen, tapering from the base to 

 the tip towards which it is fen'uginous and very slender: breast 

 clothed with pale yellow down : abdomen yellow beneath, pitchy 

 towards the tip : legs pitchy ; knees ferruginous : fore-wings slightly 

 tinged with brown, black and punctured at the base near which there 

 is a yellow spot on the fore border : veins pitchy, pale yellow in the 

 yellow part: hind-wings almost colourless. Length of the body 3 

 lines ; of the wings 6^ lines. 



a. Jamaica. From Mr. Gosse's collection. 



^51. Centrotus cribratus, Fem. 



Testaceus ; ales anticcB ferruginea:^ apice cinerea ; alcB posticcB suh- 

 cinerecc. 



Testaceous, thinly clothed with whitish hairs : head transverse 

 flat, almost triangular, not much broader than long, a little narrower 

 than the fore-chest between the shoulders ; face large, triangular, as 

 long as the hind part of the head : fore-chest convex, shallow, 

 roughly punctured, slightly ridged, much inclined backward above 

 the head ; shoulders slightly angular, not prominent ; horns above 

 long, broad, compressed, prismatic, very largely punctured, divergino- 

 obliquely, very slightly curved, convex in front and slightly widened 

 towards their tips which are acute and inclined backward ; hind side 

 decreasing from the base to the tip, narrower at the base than either 

 of the other sides which widen towards the tip ; length of the horns 

 about twice the breadth of the chest between them ; hind appendage 

 extending to the tip of the abdomen, slightly keeled, very slightly 

 undulating, tapering, very slender towards the tip which is acute : 

 fore-wings ferruginous, narrow, conical towards the tips which are 

 grayish ; veins ferruginous : hind-wings pale gray. Length of the 

 body 2f lines ; of the wings 6i lines. 



a. Jamaica. From Mr. Gosse's collection. 



