746 PEHMIAX AND TRlASSlC INSECTS FROM N.S.W., 



drawings of both. Then, having reversed one of these, I super- 

 imposed it upon the other, so that the greater part of the two 

 fitted exactly. The complete figure in Text-fig. 9 is the result of 

 this process. The oblique line xy represents the broken edge of 

 the rock on specimen No. 1 , the portion lying above and to the 

 right of this line being present only in No. 2, as well as a very 

 small part of the extreme base of the fragment in the region 

 of lA. 



Type, Specimens Nos.l and 2 (part and counterpart) in Coll. 

 Mitchell. No.l bears, on its back, a circular label, with the 

 words "Neuropterid, Glenlee Rwy. cttg., Narellan." 



I have not indicated here to what family these interesting 

 insects belong. It is probable that a new family will have to be 

 formed for their reception later on. I will only mention here 

 two interesting points about them; firstly, that, if the Palteo- 

 dictyopterous meshwork were to become obsolescent, thedichoto- 

 mous branchings of the veins in the distal part of the tegmen 

 would show considerable similarity to the remarkable venational 

 type of the Protoraecoptera, as exemplified by Archipanorpa 

 magnifica Tillyard, from Ipswich; and, secondly, that these large 

 insects show no sign of the typical curvature of the anal veins 

 found in the Blattoidea, and are more correctly placed, therefore, 

 in the Order Protorthoptera of Handlirsch. 



Order MECOPTERA. 

 Family MESOPANORPID^, fam.nov. 

 Scorpion-Hies with broadly rounded wings, narrow at the base, 

 Pterostigma large, well-developed, bordered posteriorly between 

 Kj and Rg by a strongly marked pterostigmatic furrow. Both 

 Rs and M normally four-branched, but the dichotomy of R2^-3 

 taking place at a level nearer to base than does that of R4+5. 

 This character appears to be unique amongst Mecoptera, both 

 fossil and recent. Cu^ a strong, straight vein, from which M 

 arises not far distad from base. Cross-veins mostly indistinct, 

 but a number of stronger on^s placed in advantageous positions, 

 resulting in a certain amount of bending of the main veins at 

 the points of junction. 



