7^4 FROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvi. 



such as was common to many early fossils of other orders and such as 

 is still characteristic of the too-min:i of the Locustidie. In T<tr<i<j<nn'im,i 



Fig. 18.— Wings of Ncurothcmis oculatn Fabeicivs. 



Fig. 19. — Wings of Tctragonruria npioxura Say. 



order is wrought out of this seeming confusion in the wing membrane. 

 The veins are strong, the membrane is thin and more transparent, 



