ftV R. .7. TILLYARt). 



29i 



Strong bristles, and an equally strong J?i^^a/ bi'istle {jb) on the 

 forevving. In flight, the bristles of the frenulum engage tlie 

 underside of the basal posterior portion of the fore wing (as in 

 Planipennia and some Lepidoptera), while the jugal bristle lies 

 dorsally over the costal margin of the hindwing. 



Text-fig. 1. 

 Wing- venation of Xaiinochurida diptero'ides, n.g. et sp. Comstock, 

 Needham nomenclature and notation. Afo, Afg, Af4, second, third, 

 and fourth apical forks; cuf, cubital fork; dc, discoidal cell; wc, 

 median cell; pdc, post-discoidal cell; pt, pterostigma; rf, radial fork 

 (origin of Rs); sdc, subdiscoidal cell; t, thyridium (medium fork); tc, 

 thyridial cell. 



Abdomen of male subcylindrical, of female somewhat 

 enlarged towards middle, then tapering towards tip. Nine well- 

 formed segments present, and vestiges of a tenth, with small 

 cerci, two-jointed in male (Plate xvii., fig.ll,c), three-jointed in 

 female (fig. 12, c). In male, seg. 9 is swollen to form the enlarged 

 base of the claspers, which are of the typical Panorpoid form, 

 but are not arched dorsally over the abdomen, as in Panorpa 

 and allied genera. Genital pore of male covered by a pair of 



