428 
Psyche 
[September-December 
Fig. 11. Reconstruction of Protohymen (Megasecoptera, Protohymenidae) . 
All structures shown are preserved in specimens of Protohymen permianus 
and P. readi, except for the meso- and metathoracic legs, which are re- 
stored on the basis of the prothoracic legs. Original. Lower Permian, 
Kansas. 
