188 [Augnst, 



Lord Rothschild exhibited a long series of Zygaenas of the transalpina 

 group, together -with a series of Z. epfiialtes showing parallel variation, and 

 Mr. Bethune-Baker, in illustration, exhibited with the epidiascope a number of 

 slides showing the differences in the genital armature of the various species. 

 Mr. C. B. Williams showed a method of collecting and storing insects, etc., fixed 

 to leaves, without pressure. Mr. Deuquet, who was present as a visitor, 

 exhibited a number of Australian insects of various orders, many of which 

 were still uudescribed and unnamed. 



DIPTEIEA IN NORTH DEVON IN 1917-1920. 

 BY DAVID HUKXKB, M.A., M.B., F.E.S, 



The following is a list of captures during short holidays in North 

 Devon in four successive yeai-s. The present record includes only five 

 families — viz., Strafiomifiidae, Tahanidae, Bomlyliidae, Stfrphidae, and 

 Conopidae. I hope to puhlish the remaining records when the identifi- 

 cation of species is more complete. 



The localitii's visited were : 1917 and 1918, Lynton and district — ■ 

 East Lj-n Yallev, Lee Abbey Woods, Wood}' Bay, and Lynmouth — at 

 the end of July, August, and the beginning of September. In 1919, 

 Barnstaple and Bideford districts — Instow, Westleigh, Northam, Bide- 

 ford, Braunton Burrows, Chelfam, and Torrington — at the end of July 

 and pai-t of August. In 1920, the Ilfracombe district — Lee Woods, 

 Chambercombe Woods, and Berrynarbor ; also visits to the Ljntou 

 district — during the latter half of May. 



StKATIO-MTIIDAE. 



Oxycera jmlchdla Mg. Barnstaple, 5 , July 26th, 1919. 



Hargm hipunctatus Scop. Woody Bay, 5 , Sept. 4tli, 1917 ; East Lyn Valley, 

 cT, Aug. 4th, 1918. 

 „ ciqirarius L. Bideford, ^ , Aug. 13th, 1919. 

 „ iridatm Scop. Woody Bay, §, Aug. 21st, 1918; Barnstaple, 5, 



Aug. 13th, 1919. 

 „ Jliivipes Mg. Woody Bay, 2 J, Aug. 21st, 1918; Bideford, J, 

 Aug. 13th, 1919. 

 C/dorumi/ia formona Scop. Westleigh, cJ, July 24th, 1919 Instow, J, 



July 27th, 1919. 

 Berts ynorrisii Bale. East Lyn Valley, 2 , Aug. 4th, 1918. 



„ vallataYovit. Bideford, $, July 31 st, 1919. 

 Chorisops tibialis Mg. Northam, J, July 25th, 1919; Bideford, 3 J, 

 Aug. 13th, 1919. 



