78 E. T. Atkinson — Notes on Tndian Rliyncliota. [No. 2, 



$ . Last ventral arch obtusely emarginate : lateral plates (gaine) 

 broad, oval, acuminate behind ; vagina {tariere) straight, a little longer 

 than the gaine ; anal tube cylindrical, extending beyond the tariere : 

 abdomen russet yellow (Fieh., 8tal.). 



Reported from S. France, Egypt, Abyssinia, Senegal, Bengal. The 

 Indian Museum possesses specimens from Calcutta. 



2. OxTEHACHis UNicoLOR, Walker. 



Oxyrhachis unicolor, Walker, List Horn. B. M. ii. p. 509 (1851). 



Piceous, densely fulvous pilose : head and pronotum thickly punc- 

 tured : head transverse, not much broader than long, flat, slightly con- 

 vex along the posterior margin, truncated in front, a little narrower than 

 the pronotum between the shoulders, the pronotum ridged, rather low, 

 rising vertically from the head, shoulders rounded, not prominent ; horns 

 above conical, prismatic, inclined forward, ascending, slightly diverging, 

 their length equal to rather less than twice the breadth of the pronotum 

 between them : posterior process ridged, reaching well beyond the tip of 

 the abdomen, very slightly tapering from the base to the tip which is 

 acute ; very slightly undulating along the ridge ; legs ferruginous ; 

 femora black ; tibiae dilated : tegmina almost without colour, long, nar- 

 row, lanceolate, punctured, ferruginous and partly tawny at the base; veins 

 ferruginous, stout: wings colourless {Watke7'). Body long, 6 : wings, 

 14|-15 millims. 



3. Oxyrhachis rudis. Walker. 



Oxyrhachis rudis, Walker, List Horn. B. M. ii. p. 509 (1851). 



Ferruginous : head piceous, transverse, flat, finely punctured, trun- 

 cated and with a ferruginous spot on each side in front ; not much broad- 

 er than long, a little narrower than the pronotum between the shoulders ; 

 pronotum itself very roughly punctured, slightly ridged, rising vertically 

 from the head, with the shoulders rounded not prominent ; horns above 

 very broad, conical, diverging, almost horizontal, slightly curved, disc of 

 the inner side slightly concave towards the base ; posterior side less than 

 half the breadth of any other : posterior process keeled or ridged, extend- 

 ing well beyond the tip of the abdomen, tapering and slightly declining 

 from the base to the middle where it is deepened and keeled beneath 

 and from thence to the tip is serrated beneath and slightly inclined 

 upwards : tibias dilated ; tegmina and wings colourless : tegmina narrow, 

 lanceolate, with a small pale brown spot on the angle of the posterior 

 border; veins thick, ferruginous; three discoidal areolas (Walker). Body 

 long, 6-7 : wings, 13-14J millims. 



Reported from India. 



