640 DIPTERA OF AUSTRALIA. 



EXPLANATION OF PLATE. 



Plate xix. 



Fig. L Wing of Lygistorrhina insignis ( ? ). 



Fig. 2. Head of Lygistorrhina insignis (viewed from above) ; with mouth- 

 parts displayed. 

 "Wing of Sciophila Bichmondensis. 



„ Neoempheria signifera. 



,, Stenophragma picticomis. 



,, Clastobasis Tryoni. 



„ Delopsis flavipennis. 



,, Dynatosoma Sydneyensis. 



, , Brachydicrania fascipennis. 



„ Synplasta annuliventris. 



,, Scatopse Bichmondensis. 



