LIST OF HOMOPTEBODS INSECTS. 505 



pitchy, slender, straight, extending some distance beyond the tip of 

 the abdomen : breast partly pitchy : shanks widened : wings colour- 

 less ; fore-wings tawny and punctured at the base ; veins black, 

 ferruginous at the base ; four discoidal areolets. Length of the 

 body '2i lines ; of the wings (i lines. 

 a. South Africa. Presented by Dr. A. Smith. 



4. OxYRHACHis Delalandu? Mas. 



Oxyrhachis Delalandii? Fairm. Ann. Soc. Ent. Fr. Ime Serie, iv. 

 2(j8, 3. 



Ccrvina nigra varia ; prothoracis cornna dorsalia porrecta, divari- 

 cata, apice arcuala ; cormi posticuin abdomen superans, supra 

 tumidum, subtits scrralum ; femora niyra ; tarsi ferruginei ; 

 atce limpida ; alw anticce basifutvee ; vena; nigra guUalCB aut 

 nebuloste. 



Fawn-colour, very pubescent ; head transverse, a little narrower 

 than the fore-chest, truncate in front, notched on each side, black on 

 each side adjoining the eye; its breadth not much exceeding its 

 length ; face obconical, less than half the length of the head : fore- 

 chest roughly punctured, deep iri front, varied with black, rising al- 

 most vertically from the head, .slightly ridged ; shoulders rounded, 

 not prominent : horns above short, very thick, irregularly prismatic, 

 acute, slightly diverging and inclined forward; their tips curved 

 outward ; outer side and hind side slightly concave ; inner side con- 

 cave near the base, transversely ridged towards the tip; hind horn 

 extending much beyond the tip of the abdomen, very slightly curved 

 upward ; lower side flat, obliquely serrated near its lip ; upper side 

 with a concave curve, forming a semi-oval between two humps, the 

 first at the base almost angular, the second near the lip lower and 

 more rounded : breast mostly black : abdomen sometimes ferrugi- 

 nous : thighs black ; shanks dilated ; feet ferruginous : wings colour- 

 less ; fore-wings tawny and punctured at the base ; veins tawny, 

 with black dots; some of the cross-veins clouded with black; four 

 discoidal areolets; veins of the hind-wings black. Length of the 

 body 2\ lines; of the wings 5 lines. 



a. Cape. From M. Drege's collection. 



b, c. Port Natal. From M. Gueinzius' collection. 



Y 3 



