270 Wingaie : Durham Diptera. 



Shore, flowery sea banks, sandhills, wooded dene, and farm 

 land, about 3 miles north of Hartlepool. Collected mostly during^ 

 the holiday month of Aug^ust. Gap of about 16 miles not 

 examined except at Wynyard. (2) Bishop Auckland, 350 ft. — 

 Practically the small plot of g"round round this vicarage. (3) 

 Belburn, 350 ft. — Strip of wo6d and stream below Auckland. 



(4) Escomb, 350 ft. — Wooded Wear banks above Auckland. 



(5) Evenwood. (6) Gibsonees. (7) Raby. (8) Barnard Castle. — 

 Wooded river banks and parks 300-500 ft.— South of Auckland. 

 (9) Harperley, 400 ft. — Wooded Wear banks. (10) Shipley, 400- 

 700 ft. — Wooded glen with bog at the top. (11) Shull, 600- 

 900 ft. — Pine woods with streams. (12) Bollihope, 700-900 ft. 

 — A dale running into Weardale. (13) Stanhope, 700-900 ft. — 

 Wooded dene. (14). Waskerley, 700-1,300 ft. — Wooded glen 

 and moorland. (15) Wearhead, 1,000-1,500 ft. — High dales 

 and moors. All from 2 to 15 except 7 and 8 are in Weardale 

 and its tributaries. 



Arrangement. — This is founded on Mr. Verrall's ' List of 

 British Diptera,' second edition, the appearance of which some 

 time ago was most welcome. 



I have added a few notes on certain species to which the 

 asterisk calls attention. 



Fam. *MYCETOPHILID^. 



Mycetophila punctata Mg. Common. 



Mycetophila cingulum Mg. Bishop Auckland, window, two 9 s, Oct.- 



Nov. 1 90 1. 

 Glaphyroptera fascipennis Mg-. Bishop Auckland, one ? , Sept. 1900. 

 Lasiosoma hirtum Mg. Bishop Auckland, two i s, May 1900. 

 Sciophila ornata Mg. Shull, one 9 , September 1900. 

 Macrocera fasciata Mg. Gibside. one 9 ; Bishop Auckland, one 9 , 



July 1900. 

 Bolitophila fusca Mg. Stanhope, one 9 , May 1900. 

 Bolitophila cinerea Mg. Bishop Auckland, one S and one 9 , May 1900 ; 



Harperley, one 6 , June 1900. 



Fam. BIBIONIU^. 



Scatopse notata L. Bishop Auckland, six i. May 1900; Hesleden, one i , 



Aug. 1900. 

 Scatopse brevicornis Mg. Hesleden, one 6 , Aug. 1900. 

 Dilophus febrilis L. Hesleden, Bishop Auckland, Evenwood, Bollihope, 



Wearhead, one (5 each, June-Aug. 1897-1901. 

 ^'Dilophus femoratus Mg. Bishop Auckland, one 9 ; Evenwood, one 9 , 



June 1897. 

 Bibio pomonas F. Shull, two (5 s, Sept. 1900; Wearhead, three (5 s, Aug. 



1901 ; Harperley, one 9 , July 1900. 

 Bibio marci L. Escomb, eight c? s and one 9 , May 1897; Evenwood, 



one 9 , April 1897 ; Bishop Auckland, one 9 , Oct. 1900. 



Naturalist, 



