248 ANNALS OF SCOTTISH NATURAL HISTORY 



like to add the following. I am glad Mr. Grimshaw is publishing a 

 list of " Forth " Diptera. He shall have all my specimens to examine 

 whenever he can find time to do so. I am indebted to him for 

 helping me to identify most of those here mentioned. 



Sciara thomce, L. Two, Aberfoyle, September 1897. 



Bibio marci, L. <? s and ? s, Longniddry, Kinghorn, and Kil- 

 conquhar, May 1900 ; ?, Drumshoreland, June 1900. B. pomonce, 

 F., is common in the district : I have specimens (both sexes) from 

 Leven and Thornton, August 1893 ; Oakley and Bavelaw, August 1 898. 



Simulium latipes, Mg. Several on wall, Comiston, September 

 1896. I have to thank Mr. E. E. Austen of the British Museum 

 for this and the next four names. 



Chironomus venustus, Staeg. 9 , Craigentinny Meadows, and $ , 

 Thornton, August 1898. Mr. Grimshaw tells me C. venustus, Staeg., 

 is a synonym for C. dorsalis, Mg. 



Tanypus nebulosus, Mg. Duddingston Loch, October 1896. 



Culex cantans, Mg. ? , Aberfoyle, nth September 1897. C. 

 nigripes, Ztt. ?, Aberfoyle, 27th July 1900. 



Ptychoptera paludosa, Mg. Two, Braidburn, June 1900; one, 

 Luffness Marsh, August 1896. 



Pedicia rivosa, L. Roslin, July 1893; Newpark and Thornton, 

 July 1901 ; Cleish, August 1900. 



Pachyrrhina crocata, L. Two ? s, Polton, 3oth June 1902. 



Tipula gigantea, Schrk. ? , Braidburn, July 1892. T. lutescens, 

 F. $ , near Dollar, 24th June 1903. 



Chrysops ccecutiens, L. This prettily marked " cleg " is locally 

 common in the district: Inverkeithing, July 1899; Newpark and 

 Forest Mill, July 1900; Thornton, July 1901; Aberfoyle, 27th 

 May 1896. 



Bombyliits canescens, Mik. A good many on railway bank near 

 Kinross, 22nd June 1901 and 5th July 1902. 



Empis borealis, L. Aberfoyle, April 1896. 



Liancalus Tirens, Scop. Aberdour, September 1900; Craig- 

 millar Quarry, May 1901. 



Chilosia grossa, Fin. I took two males of this fine fly at 

 flowering sallows near Dollar on i7th April 1897, and another near 

 Callander on 22nd April 1900. C. albipila, Mg. <, Swanston 

 Hill, Pentlands, ist June 1899. 



Melangyna quadrimaculata, Verr. I find this commonly in 

 spring at flowering sallows and blackthorn : c?, Blackford Hill, ist 

 April 1894; <?s and 9 s, Kirknewton, 6th April 1895, 3rd May 

 1901, and 2nd April 1903; c?s, Bavelaw, i2th May 1897; 6% 

 Dollar, April 1897. 



Ischyrosyrphus glaucius, L. Oakley, August 1898; Aberdour, 

 August 1900; Tynehead, August 1901. /. laternarius, Mull. $ 

 near Kirknewton, Midlothian, loth July 1900. 



