Muir. — Ascodipteron. 



PLATE 2. 



Fig. 6. Dorsal view of larva of Lipoptena tolisina. 



Fig. 7. Dorsal view of larva of Listropodia sp. nov. 



Fig. 8. Dorsal view of larva of Penicillidia progressa. 



Fig. 9. Larva of Nycteribosca amboinensis. a. dorsal view; b. lateral 



view, dotted line shows the shape that the ventral surface sometimes 



assumes. 

 Fig. 10. Dorsal view of pupa of P. progressa. 

 Fig. 11. Wing of Ascodipteron speiserianum. 

 Fig. 12. Lateral view of A. speiserianum. a. female; b. male; g. gena; 



rap. maxillary palpi; p. proboscis; s. spiracle. 

 Fig. 13. One of the six dorsal series of "blades." 

 Fig. 14. One of the four ventral series of "blades." 

 Fig. 15. One of the four lateral series of "blades." 

 Fig. 16. A " blade " from one of the lateral series. 

 Fig. 17. Spiracles, a. posterior view, b. lateral view of Ascodipteron 



australiansi; c. posterior view, d. lateral view of A. speiserianum. 

 Fig. 18. Lateral view of end of abdomen of a male of A. speiserianum. 



e.j. ejectulatory duct; p. penis; pg. penis-guide. 

 Fig. 19. Diagrammatic sketch of extended proboscis and part of head of 

 Hippobosca. he. head-capsule; mp. maxillary palpus; o. m. oral 

 membrane; v. p. ventral plate of labium. 



