SUBPHTLUM III 



INSECTA 



807 



i- Order 21. SYPHAROPTBROIDBA Handlirsch. 



Body slender, of small size, loith homononious segments and tico pairs of Jiomonornoiis 

 loiiigs in v:hich the medial and cubital veins are greatly reduced. 



This order, erected to contain the single genus Sypharoptera Handl. (Fig. 1562), 



Tio. 1502. 

 Syphnroptern pneuma Ilandl. Coal Measures ; Mazon Creek, Illinois, ^/j (after Handlirsch). 



is probably to be regaMed as a highly specialised lateral aberrant offshoot of the 

 Palaeodictyoptera. It is confined to the Upper Carboniferous. 



t Order 22. HAPALOPTEROIDEA Handlirsch. 



Like the last, this order is prol)ably a specialised derivative from the Palaeo- 

 dictyoptera, and appears to be related to primitive types of the next succeeding order. 



' cu 



Fi(i. 15(33. 

 Ilapaloptera gracilis Handl. Coal Measures; Tremont, Penna. s/i (after Handlirsch). 



In the Carboniferous genus Hapakrptera Handl. (Fig. 1563), the wings have the 

 media and cubitus reduced, and the sector radii well developed. 



