ON SOME SCOTTISH DIPTEKA 93 



'02, <$, Bavelaw Burn; 21, vii. '02, 2 $ 3 , Blackford Hill; 

 ibid., 18, vii. '04, 9 $ <$ , 5 ? ? ; 29, vii. '04, ; 6, vii. '06, 

 $; 15, vii. '04, (?, Royal Botanic Garden, Edinburgh; 22, 

 vii. '04, <3 , St. Boswells; 6, viii. '04, 2 ? $, Aberlady ; 17, 

 vii. '06, 4 c? c, Arniston ; 28, vii. '06, Musselburgh, " in some 

 numbers" (C.), and "most years in August and September" 

 (C.); 6, viii. '06, ?, Polton. Recorded "A.S.N.H.," January 

 1904, p. 32, as B.fuscipes Mg., a species neither of us has yet 

 been fortunate enough to secure. Mr. Verrall gives only five 

 recent English records, and Musselburgh, Perth, and Golspie, 

 in Scotland. 



B. CHALYBEATA, Forst. - - A fairly common species. Taken as 

 early as May at Musselburgh ; chiefly, however, in June and 

 July (1902-1908). From the following localities, Winch- 

 burgh (West Lothian), Polton (Midlothian), Blairgowrie, Balerno, 

 Lochgelly (Fifeshire), Loch Tay. 



B. MORISII, Dale. 2 ? ?, Arniston, 17, vii. '06; ?, Polton, 6, 

 viii. '06. Not a common species ; the only Scotch records 

 given by Mr. Verrall are Ballater and Logic. 



LEPTID^E. 



LEPTIS SCOLOPACEA, L. Aberlady, Musselburgh, Aberfoyle, 

 Comrie, Blairgowrie, West Calder (Midlothian), Lochgelly. 

 Also in June 1905, both sexes, at Balelone, N. Uist, Outer 

 Hebrides, and June 1906, at Uig, in Skye (6" only). 



L. NOTATA, Mg. 6*, Musselburgh, n, vi. '04* 2 6* 6% Polton, 9, 

 vi. '06. " The Musselburgh specimen is the only one taken 

 there during several years collecting in the locality " (C.). 

 According to Mr. Verrall, it is a mountain species. 



L. TRINGARIA, L. Frequently met with, chiefly in July and August, 

 Lochearnhead (Perthshire), Comrie, Blairgowrie, Aberfoyle, 

 Blackford Hill, Musselburgh, Arniston, Broughton, and Stobo 

 (Peeblesshire). "A very dark 6% taken near Edinburgh, but 

 hardly nigriventris " (W.). 



L. LINEOLA, F. The commonest of the genus, June to Sept. 1902- 

 1908. Blackford Hill, Polton, Arniston, Midcalder, Aberlady, 

 Aberfoyle, Blairgowrie, Comrie, Callander, Loch Tay, Whiting 

 Bay (Arran), Small Isles, Jura. "A 6* , Blairgowrie, 12, vii. '08, 

 is very much darker than typical examples " (C.). 



ATHERIX IBIS, F. ?, Comrie, 26, vi. '07 ; 3 9 ? on the Earn, 

 near Crieff, Perthshire, 3, vi. '08. " Standing fishing in the 

 middle of the river I saw a large number of these flies come 

 down stream in a continuous string. They settled one after 

 another on my waders at the same spot " (W.). The remark- 



