424 



MESOZOIC INSECTS OF QUEENSLAND, 111., 



Pekissofhlebia multiseriata, 11. sp. (Text-fig. 13). 



Total length of fi-agnieiit, 8*5 mm.; greatest breadth of same, 

 8*5 mm. 



A small portion of the pterostigma preserved appears to point 

 definitely to the fact that it was sharply angulated at its upper 

 distal angle; a character that is exceptional amongst fossil 

 Odonata. 



Most of the fragment is very well preserved, with the cross- 

 veins clearly visible; but, in the lower portion, they are partly 

 obliterated. 



Text-%13. 



Perissophlehia mnltheriata, ii.g. et sp., (Triassic, Ipswich, Q.K Preserved 



portion of wing, ( x 7{.). Mi, postnodal sector. 



The distance from the tip of the pterostigma to the apex of 

 the wing, and the great width of the wing beyond the level of 

 the pterostigma, both point to the fact that it is a fragment of 

 a very large wing, probably as large as, or larger than, that of 

 Petalura yigmUea Leach. 



Type, Specimen No.203 «^7> (part and counterpart). (Coll. 

 (Queensland Geological Survey). 



It is impossible to place this fragment definitely; but I would 



