46G Osten Sacken: Nemocera vera, N. anomala and Eremochaeta. 



For the sake of an easier comparison witli my arrangement 

 on p. 428 — 429 I reproduce here 



Professor Brauer's System (Z. K. M. III, p. 11). 



I. Diptera Orthorrhapha. 



Section I. Orthorrhapha Nematocera. 



Tribe I. P] u c e p h a 1 a. 

 Families: Mycetophilidae, Bibionidae, Chironomidae, Culicidae, 

 Blepharoceridae, Simulidae, Psychodidae, Ptychopteridae, Rhyphidae. 



Tribe II. 1 i g o n e u r a. 

 Family: Cecidomyidae. 



Tribe III. P o 1 y n e u r a. 

 Families: Limnobidae, Tipulidae. 



Section IL Orthorrhapha Brachycera. 



Tribe I. Acroptera. 

 Family: Lonchopteridae. 



Tribe II. P 1 a t y g e n y a. 

 I. Group: Homöodactyla. 



a. Notacantha. 

 Families: Stratiomyidae, Xylophagidae. 



b. Tanystoma. 

 Families: Tabanidae, Acanthomeridae, Leptidae 



etc. etc. 



(to be continued) 



