LIST OF HOMOPTEROUS INSECTS. 613 



part of the head: fore-chest convex, not ridged, roughly punctured, 

 clothed with pale hairs along the fore border, deep in iront, rising 

 •vertically from the head ; shoulders not prominent ; horns above 

 them broad, thick, prismatic, diverging, hardly inclined backward, 

 about half the length of the space between them ; sides conical : 

 upper side broader than either of the lower sides ; hind horn slightly 

 ascending, forming a very acute angle with the abdomen, thick at 

 the base, slender triangular tapering and almost smooth from thence 

 to the tip which is very acute and extends far beyond the tip of the 

 abdomen : breast and abdomen black : abdomen gray above, punc- 

 tured with black ; tip pitchy, shining : legs black : fore-wings lan- 

 ceolate, pitchy at the base, colourless from thence to the middle with 

 the exception of two or three narrow lurid stripes, lurid from the 

 middle to the tips with the exception of a brown stripe along the 

 hind border ; veins pitchy along part of the fore border, ferruginous 

 along the hind border and towards the lips : hind-wings almost 

 colourless, pale brown along the hind borders; veins pitchy. Length 

 of the body 4 lines; of the wings 9 lines. 



a. Java. From Mr. Argent's collection. 



41. Centrotus malleus, Mas. 



Nigro-cyaneus ; pectus et abdomen nigra ; abdomen svpra piceiim, 

 apice nigrum ; pedes nigri ; tarsi ferruginei ; aicc limpidce, 

 basi et margine postico picece, apice luridce. 



Nearly allied to C. malleator^ thinly clothed with pale hairs : 

 head and fore-chest dark blue : head transverse, finely punctured, 

 much narrower than the fore-chest ; face conical, prominent, a little 

 shorter than the hinder part of the head ; epistoma triangular : 

 mouth ferruginous : fore-chest convex, not ridged, roughly punc- 

 tured, finely punctured along the fore border where it is clothed with 

 pale hairs, deep in front, rising vertically from the head ; shoulders 

 not prominent; horns above them broad, thick, prismatic, diverging, 

 hardly inclined backward, shorter than half the length of the space 

 between them ; sides conical ; upper side broader than either of the 

 lower sides; hind horn slightly ascending, forming a very acute 

 angle with the abdomen, thick at the base, slender trilateral tapering 

 and almost smooth from thence to the tip which is very acute and 

 extends far beyond the tip of the abdomen; sides slightly concave : 

 breast and abdomen black; abdomen gray above, punctured vviih 

 black, tip black, shining: legs black; feet ferruginous: fore-wings lan- 

 ceolate, colourless, pitchy at the base and along two-thirds of the fore 

 border, lurid from thence to the tips ; a narrow pitchy stripe along the 



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