1 54 Lowe : Diptera of the Warrington District. 



Polietes albolineata Fin. Lane. S. : See remarks on Morellici 

 hortorum Fin. 



Mydsea urbana Mgn. Chesh. : Hatchmere, nth June 1899, 

 three. 



Mydsea pagana F. Lane. S.: Rixton Firs, July 1897, two. 

 tiylemyia flavipennis Fin. Lane. S. : Knowsley Park, July 



1896. Chesh.: Arley, September 1898, several. 

 tiylemyia strigosa Fab. Chesh.: Helsby, 7th June 1899, one. 



CORDYLURID^E. 

 Scatophaga stercoraria L. Abundant all the summer wherever 

 I have collected. I took a pair in cop. at Sankey (Lane. S.), 

 1 8th Aug-ust 1898. 



TRYPETID^E. 



Acidia heraclei L. Chesh.: Walton Arches, May 1896, two. 



BORBORID^E. 



Borborus equinus Fin. Lane. S.: Abundant on ditch-sides 

 near Rixton Firs, August 1897. 



The following- species have occurred in the district and have 

 all been named by Dr. Meade. I have no notes, however, of 

 localities or dates of capture, so that neither can be given with 

 sufficient precision : — 



bibionim;. 



Bibio marci L. 



Bib 10 ieucopterus Mgn. 



Bibio nigriventris Hal. 



TIPULID^E. 

 Pachyrrhina quadrifaria Mgn. 

 Pachyrrhina imperialis Mgn. 



dolichopodim:. 

 Dolichopus aeneus Deg. 



SYRPHID^E. 

 Chrysogaster cse mete riorum L. 

 Platychirus peltatus Mgn. 

 Syrphus umbel lato rum F. 

 Syrphus cinctus Fin. 

 Syrphus ribesii L. 



Naturalist, 



