t*j6 MASON : DIPTERA OF THE ALFORD DISTRICT. 



Macrocera fasciata Mg. Well, one, June 25th, 1888; J.E.M. 

 (G.H.V.). 



Fam. CHIRONOMID.K. 



Ceratopogon bipunctatus L. Mumby Chapel, one, female, 



July 31st, 1888; J.E.M. (G.H.V.). Mablethorpe, one, female. 

 August 12th, 1888; J.E.M. (G.H.V.). 



Fam. PTYCHOPTERID.K. 



Ptychoptera 



contaminata 



L. R 



igsby, 



August 



3 r d » 



1887; 



J.E.M. (E. 



B.). 















Ptychoptera 



albimana 



F. 



Well, 



one, 



October 



20th, 



1888; 



J.E.M. (G.H.V.). 



Fam. LIMNQBWM. 



Limnobia flavipes F. Greenfield, two, June 8th, 1887; J.E.M. 

 (E.B.). 



Limnobia tripunctata F. Well, both sexes, June 27th, 1888; 



J.E.M. (G.H.V.j. 



Rhypholophus lineatus Mg. Noted as Eriothrix iineata for 

 Alford District (C.O.W.). 



Trichocera regelationis L. Alford, December 2nd, 1887 ; 



J.E.M. (E.B.). 



Fam. TIPULID.-K. 



(G.H.V.). 



J 



Pachyrrhina quadrifaria Mg. Alford, one, August 8th, 1888 ; 



J 



gigantea Schrk. Well, June 1887 ; J 



Tipula lutescens F. Alford, one male, June 23rd, 1888 ; J.E.M. 

 (G.H.V.). 



Fam. STXATIQMYIDM. 



Sargus cuprarius L. Claythorpe, July 6th, 1887 ; J.E.M. (E.B). 



Mumby Chapel, two, July 1887 ; J.E.M,. (E.B.). 



Chloromyia formosa Scop. Mumby Chapel, July 1885, an< 



July 5th, 1888; J.E.M. (E.B.). 



Microchrysa polita L. Alford, two, Well, one, Tune 1887 

 J.E.M. (E.B.,). 



Actina tibialis Mg. Alford district, two (C.O.U'.i. 



Fam. TABANID.E. 



Haematopota pluvialis L. Alford, one, July 1887 ; J.E.M. (E.B.). 



Well, one, July 3rd, 1887 ; J.E.M. (E.B.). 



Chrysops caecutiens L. Alford, J.E.M. (E.B.). 



Leptis tringaria L. Well, one, August 12th, 1888; J.E.M. 



(G.H.V.). Alford district, one (C.O.W.). 



Naturalist, 



