68 AUSTRALIAN NEUROPTERA, ii., 



and about one-half the length of fifth; second, third, and fourth 

 of almost the same length. Spurs slender, and as long as first 

 and second tarsal joints united. 



Type : Periclystus laceratus Gerst. 



The two Australian species known to me may be separated as 

 follows : — 



Forewing with a nearly complete median crossband, and an irregular one 

 before pterostignia; hindwing with a broad crossband before ptero- 



stigma circuiter Walk, 



No complete crossband s lacnratus Gerst. 



Periclystus circuiter. (Plate x., fig. 17.) 

 Myrmeleon circuite?' Walker, Cat. Neur. Ins. Brit. Mus., p. 400 

 (18r)3). 



Fericlystus callipeplus Gerstaecker, Mitt, naturw. f. Neuvorp. 

 u. Riigen, p.l07(1887). 



Of this species, I have an old specimen in my collection, from 

 Cairns, Queensland. It agrees very well with the description of 

 P. callipeplus^ and also with that of M. circuiter. I have sent a 

 photo, of the specimen to the British Museum, and Dr. Meade- 

 Waldo states that it agrees very well with the type-series of 

 Walker. On that account, I place the name of the species of 

 Gerstaecker as a synonym of that of Walker. 



Periclystus laceratus. (Plate x., fig. 18.) 

 Gerstaecker, Mitt, naturw. Ver. f. Neuvorp. u. Riigen, p. 105 



(1887). 



Cape York, Queensland; one male; 20.x.l908(W. W. Froggatt 



leg.). Coll. Froggatt; Queensland; one female, Coll. Petersen. 

 The male is more slender, and has narrower wings, than the 



female; the excavations of the hind margin of the wings of the 



male are hardly so deep as in the female. 



DiSTOLEON. 



Banks, Ann. Ent. Soc. Amer., p.42(1910). 



Wings long and narrow, hindwing as long as forewing. Seven 

 or eight cross veins before origin of radial sector in forewing, one 

 in the hindwing. In forewing, the bent branches of the radial 

 sector and Cu^ tend to form straight lines through the apical part 



