Zoology. 425 



Platypeza modesta, Ztt. Bexley, St. Mary Cray (Verrall). 

 Platypeza rufa, Mg. St. Mary Cray (Verrall) ; Bexley. 

 Platypeza fasciata, Mg. St. Mary Cray (Verrall). 



PEPUNCULID^E. 



Verrallia pilosa, Ztt. Abbey Wood. 



Verrallia aucta, Fin. Abbey Wood. 



Pipunculus furcatus, Egg. St. Mary Cray (Verrall). 



Pipunculus zonatus, Ztt. St. Mary Cray (Verrall). 



Pipunculus unicolor, Ztt. Thames Marshes. 



Pipunculus haemorrhoidalis, Ztt. Abbey Wood (Verrall). 



Pipunculus geniculatus, Mg. Thames Marshes. 



SYRPHIDJE. 



Pipizella virens, F. Fprningham, Thames Marshes, Lullingstone 



Park ; not uncommon. 

 Pipiza luteitarsis, Ztt. Eltham. 

 Pipiza noctiluca, L. Bexley, Welling. 

 Liogaster metallina, F. Bexley, Thames Marshes. 

 Chrysogaster hirtella, Lw. Lullingstone Park, Eltham. 

 Chilosia sparsa, Lw. Bexley. 

 Chilosia pulchripes, Lw. Eltham. 



Chilosia variabilis, Pz. Bexley, Eltham, Thames Marshes ; com- 

 mon. 



Chilosia albitarsis, Mg. Bexley, Eltham, Thames Marshes ; 

 common. 



Chilosia bergenstammi, Beck. Bexley. 



Chilosia praecox, Ztt. Farningham. 



Chilosia mutabilis, Fin. Farningham, Welling. 



Chilosia proxima, Ztt. Thames Marshes. 



Platychirus manicatus, Mg. Generally distributed ; common. 



Platychirus peltatus, Mg. Bexley, Farningham, Thames Marshes ; 

 fairly common. 



Platychirus scutatus, Mg. Generally distributed ; common. 

 Platychirus albimanus, F. Generally distributed ; common. 



Platychirus clypeatus, Mg. Eltham, Bexley, Thames Marshes ; 

 common in the Marshes. 



