466 NEW AND RARE AUSTRALIAN AGRIONID^, 



0*. Appendages: superior 0-25 mm., short, blunt, 

 reddish ; seen from above, they are irregularly rounded, hairy, 

 with an inner projecting lobe touched with black ; in profile, 

 they are strongly bifurcated, the upper lobe rather rounded, 

 red, downy, the lower lobe narrow, black. Inferior 0-6 mm., 

 narrow, hairy, forcipate, red ; in profile, slightly waved, and 

 with narrowing tips (Plate xlix., figs. 12, 13). 



33. Xanthagrion erytiironeurum Selys. (Plate xlix., fig. 9). 



cf. Appendages: su'iJenor 0-4 mm., subtriangular, 

 well pointed, reddish touched with black, a strong tuft of 

 hairs on middle of inner margin ; in profile, they appear 

 thicker, with the upper surface much curved; inferior 0-15 

 m.m., wide, flat, bifurcated, the upper lobe blunt, rounded, 

 tipped with black, lower lobe reddish (Plate xlix., figs. 10, 

 11.). 



These appendages are figured for comparison with those of 

 .Vrnithocnemis (by contrast) and of A iisfrodf/rion : they will 

 be seen to resemble the latter closely. 



It is necessary to emphasise the following characters of the 

 genus XattthcKjrion, as now constituted after the removal of 

 X. zelandicum. Basal postcostal heriniJe ylaeed almost under 

 the level of the first antenodal; and, hence, wings less petio- 

 late than usual in this group; prothorax of female simple. 



AusTROAGRioN, n.g. (Plate xlix. , fig. 1 9). 



Basal postcostal nervule about midway between levels of 

 the two antenodals ; inferior sector of triangle reaching just 

 up to this nervule. Superior appendages of male not forked 

 or hollowed out ; prothorax of female simple. Small species 

 of blue and bronze colouration. 



Type: Pseudaijrion ci/mie Selys. 



This genus is proposed for the reception of the two closely 

 allied, little Australian species, Pffendagrion cyanc Selys, and 

 Ps. C(£ruleu7n Tillyard. Dr. F. Ris has lately* removed these 



Die Fauna Siidwest-Australiens, 1910, p. 430. 



