274 lVi}ig(Ue : Durham Dipiera. 



Tipula vernaJis Mg. Harperley, one 6 , June igoo ; Bollihope, one $ , 

 June igoi ; Waskerley, one ? , July 1901 ; Belburn, two 9 s, Aug-. 1898. 



Tipula vittata Mg-. Harperley, one S, June 1900; Belburn, one 9, April 

 1900 ; Raby, one 9 , April 1900. 



Tipula gigantea Schrk. Harperley, one i , June 1900 ; one i , June 1902 ; 

 Shull, one i, July 1902. 



Tipula lutescens F. Bishop Auckland, one (5 , July 1900; South Durham, 

 one 9 ; Harperley, one i , June 1902 ; Hesleden, two £ s, Aug". 1902. 



Tipula oleracea L. Bishop Auckland, one 6, June 1900; Hesleden, one 

 9 , Aug-. 1S99, common. 



Tipula paludosa Mg. Hesleden, two cJ s and two 9 s, Aug. 1900; Wear- 

 head, four i s and four 9 s, Aug-. 1901. 



Tipula fascipenais Mg-. Hesleden, one S, Aug. igoo; Harperley, two 

 S s, June 1902. 



Tipula peliostigma Schum. ? Bishop Auckland, one 9 , June 1902. 



Tipula ochracea Mg. Barnard Castle, one S , June 1900 ; Bishop Auck- 

 land, hve i s, June 1900-1901. 



Fam. RHYPHID/E. 

 Rhyphus fenestralis Scop. Bishop Auckland, four 9 s, July 1900-1901 ; 



Hesleden, one 6 ■ 

 Rhyphus punctatUS F. Bishop Auckland, two i s and one 9 , June igoo ; 



Shull, one 9, Sept. 1900; Hesledey, one 9, Aug-. 1900. 



Fam. STRATIOMYID.-E. 



Chrysonotus bipunctatus Scop. Hesleden, two 9 s, Aug. 1899. 



Sargus flavipss Mg. Hesleden, three 6 s and one 9, Aug-. 1899-1900. 



Sargus cupr^rius L. Bishop Auckland, one 9 , June 1897 ; Hesleden, two 

 i , Aug-. 1902. 



Sargus iridatus Scop. Bishop Auckland, three i s and five 9 s ; Was- 

 kerley, one i ; Evenwood, one 6 , June-July 1897-1901. 



Microchrysa polita L. Bishop .Auckland, four J s and four 9s; Hesle- 

 den, one i , J\ily-.Aug-. 



Michrochrysa flavicornis Mg. Bishop Auckland, four 6 s and one 9 , 

 June-Julv 1901 . 



Beris vallata Forst. Bishop .\uckland, one 9 , Jul\- igoo. 



Beris chalybeata Forst. Bishop Auckland, eleven i s and nine 9 s, May- 

 June iSgy-igoo. 



Beris geniculata Curt. Bishop Auckland, two is and two 9s, June-July 

 1900-1901 ; Hesleden, two (5 s and one 9, Aug. 1902. 



Fam. TABAXID.E. 



Hasmatopota pluvialis L. Wearhead, five 9 s, .\ug. 1897 ; Waskerley, 



one i and one 9 , July 1901. 

 Therioplectes montanus Mg. Waskerley, one 9, July 1901. 

 Therioplectes solstialis Mg. Bishop Auckland, one 9 • 

 Tnbanus autumnalis L. Bishop Auckland, one <Jand two 9 s, July 1899. 

 Chrysops ccECutiens L. Escomb, one 9 ; Bishop Auckland, six 9 s, July 



1S97-1902. 



Fam. LEPTID.^i. 



Leptis scolopacea L. Bishop .Auckland, one 6 and two 9 s ; Wearhead, 

 one 6, June 1899-1901 ; Gibside, one 9 ; Waskerley, two (5 s, July 1901. 



Leptis tringaria L. Hesleden, five i s and three 9 s, July-Aug. 1899- 1900 ; 

 Bishop Auckland, one i , July 1901. 



Leptis conspicua Mg. Common at Hesleden in August. 



Naturalist, 



