SUBPHYLUM III 



mSECTA 



797 



This order is probably an early aberrant offshoot of the preceding group, and is 

 known from two genera. Mixotermes Sterzel (Fig, 1534) occurs in tlie Coal Measures of 



ca 



Fig. 1534. 



Mixotervies lugnucnsis Sterzel. Coal Measures; 

 Lugau, Saxony. Fore wing. 2/i (after Hand- 

 lirscli). 



Recula parva Sclilecliten. Coal 

 Measures ; Wettin, Saxony. Fore 

 wing, '■^/i (after HaniUirsch). 



Saxony, and Geroneura Matthew in tbe Little River group (approximately equivalent 

 to the Kanawha series) of New Brunswick. 



t Order 3. RECULOIDBA Handlirsch. 



An early aberrant offshoot of the Palaeodictyoptera, loith peculiarly specialised iving 

 neuration, and approaching in some respiects to the Proforthoptera and Protoblattoidea. 



This order was proposed in a j)rovisional sense to include tlie single genus Eecula 

 Handlirsch (Fig. 1535), from the Coal Measures of Saxony. 



t Order 4. PROTORTHOPTERA Handlirsch. 



Wing pairs of unequal size, capable of being folded backward over the abdomen, and 

 with more complicated venation than in the preceding types, approaching in some respects 



Fig. 1536. 



Spanindera ambvlans Handl. Coal 

 Measures ; Mazon Creek, Illinois, i/i 

 (after Handlirsch). 



1537. 



Oi'.dischia wUUamsoni Brongn. Stephanian ; 

 Commentry, France. A forerunner of true Locus- 

 toids, witli long antennae and hind legs adapted 

 for springing. % (reconstructed by Handlirsch). 



that of the modern Locnstidae. Hind wings similar to the front pair, but with larger anal 

 area, marked off by a fold. Antennae long and slender ; mouth parts strong, adapted 

 for biting. Prothorax often elongated or saddle-shaped, legs similar in form, the third 



