22 DIPTERA OF AUSTRALfA, 



Section I. DIPTERA ORTHORHAPHA. 

 Division I. Nematocera. 



Sub-division 1. Oligoneura. 



Fam. — Cecidorayidte, Sciaridaj, Mycetophilidse, Simulidae, Bibi- 

 onidje. 



Sub-division 2. Polyneura. 



Fam. — Blepharoceridoe, Culicidse, ChironomidiB, Orphnephilidae, 

 Psychodida), Tipulidte, Dixidie, Rhyphidaj. 



Division II. Brachycera. 



Sub-division 1. Cydocera. 



Fam. — XylophagidiB, Coenomyidae, Stratiomyidae, Acanthome- 

 ridse, TabanideD. 



Sub-division 2. Orthocera. 



Fam. — Leptidte, Asilidse, Midasidse, Nemestrinidse, Bombylidae, 

 Tlierevidfe, Scenopinidte, Cyrtidse, Empidje, Dolichopodidae, Lon- 

 cliopteridie. 



Section II. DIPTERA CYCLORHAPHA. 



Division I. PROiiOSCiDEA. 



Fam. — Syrphidje, Myopidse, Couopidse, Pi]>unculidai, Platype- 

 zidae, Oestrida;, Tatchinidte, Dexidse, Sarcophagidte, Aluscidie, 

 Anthomyidie, Cordyluridfe, Helomyzidte, Sciomyzidse, Psilidae, 

 Micropezidae, Ortalidge, Trypetidse, Lonchseidse, Sapromyzidae, 

 Phycodromidse, Heteroneuridse, Opomyzidfe, Sepsidie, Diopsidie, 

 Piophilidje, Ephydrida;, Geomyzida?, Drosojihilidse, Oscinidse, 

 Agromyzidte, Phytomyzidae, Asteidte, Borboridre, Phoridse. 



Division II. Eproboscidea. 

 Fam. — Hippoboscidaj, Nycteribidae. 



