242 THE CANADIAN ENTOMOLOGIST 



Fig. 13. Pleural appendages, cf hypopyguim, P. virgata 

 Coquillett. 



Fig. 14. Pleural appendages, cT h^popygium, P. pullula, sp. n. 

 Fig. 1"). " " " " P.flavonota,sp.n. 



Fig. 16. " " " " P. re panda, sp.n. 



Plate XVI. 

 Wing of Tipiila ytisoii, sp. n. 

 T. nipp07iensis, sp. n. 

 T. aino, sp. n. 

 " T. serricatida, sp. n. 



" T. yamata, sp. n. 



T. insidicola, sp. n. 

 T. coquiUeUi Enderlein. 

 " Dictenidia fasciata Coquillett 



Pl.^te XIX. 



H>popygium of Tipula yusou, sp. n. 



Lateral aspect; t = 9th tergite; pi = pleura. 



Hypopygium of T. nippotiensis, sp. n. 



Lateral aspect; t= 9th tergite. 



Hypopygium of T. yamata, sp. n. 



Lateral aspect; t= 9th tergite. 



Hypopygium of T. aino, sp. n. 



Dorsal aspect of the 9th tergite. 



Hypopygium of T. aino, sp. n. 



Pleural appendages, lateral aspect. 



Ovipositor of T. serricatida, sp. n. 



Ventral aspect; t= tergal valve; 5= sternal valve. 



Hypopygium of T. coquilletti End. 



Ventral aspect; 8s = 8th sternite; 9s = 9th sternite. 



Hypopygium of T coquilletti End.; 9th tergite from 

 abo\c. 



Fig. 9. Hypopygium of T. coquilletti End.; pleural appendage 

 from the inside. 



Fig. 10. Hypopygium of 7\ coquilletti End.; pleura and its 

 api^endage from the outside. 



