363 Mr, F. W. Edwards’ Notes on British Mycetophilidae. 
has a thorax quite like it and it should be easy to recognise 
in all its varieties. 
*4. caudata, Winn. This and A. amoena are also 
very common with us, all the remaining species being more 
or lessrare. A. caudata is the species which is in the list 
as B. griseicollis, but I follow Lundstrém’s interpretation 
of the latter, which also occurs with us (Logie, Crowborough, 
New Forest, etc.). 
*4. brachycera, Zett. Logie, Forres, Cambridge (F.J.). 
Mildenhall (J.W.Y.); Newmarket (G.H.V.). 
* 4. cinerea, Lundstr. Logie (F.J.); New Forest (D.8.) ; 
Wyre (G.H.V.). 
*4, pistillata, Lundstr. Cambridge (F.J.); Chippen- 
ham, Cambs. (G.H.V.). 
*A. fissicauda, Lundstr. Crowborough, 4. x. 1903, 1g 
(F.J.). | 
* 4, silvatica, Landr. Cambridge (F.J.); Newmarket, 
CGambs.; Stokenchurch, Oxon. (G.H.V.); Porthcawl, 
Glamorgan (J.W.Y.). 
* A. triangularis, Strobl. Logie, 1 3 (F.J.). 
*4. barbata, Lundstr. Stoke Wood, 1 ¢ (J.H.W.); 
Aviemore, 1 ¢ (J.W.Y.). 
TrRIcHONTA, Winn. 
*T’. atricauda, Zett. Logie, Aldenham, Crowborough, 
Lyndhurst (F.J.); Nethy Bridge (C.G.L.); Studland 
(J.W.Y.); Colwich Park, Staffs. (G.H.V.); Stoke Wood 
(J.H.W.). 
*T. fissicauda, Zett. Logie (F.J.); Bettws-y-Coed 
(G.H.Y.). . 
*T. melanopyga, Zett.. Logie (F.J.); Spey Bridge 
(Je WX); 
*T. hamata, Mik. Lochinver and Glenmore, (J.W.Y.); 
Bettws-y-Coed (G.H.V.); Nethy Bridge (D.8.). 
*7T’. spinosa, Lundstr. Crowborough (F.J.); Dolgelley 
(GABE Ve). 
*T'. submaculata, Staeg. Colwich Park, Three Bridges, 
Newmarket (G.H.V.);  Westhide (J.H.W.); Lelant, 
Sheviock, Downderry (J.W.Y.); Crowborough (F.J.); 
Studland (J.E.C.); King’s Lynn (H,A.A.). 
*T'. umbratica, Winn. Harrow, 16. xi. 1912, 1 9 (F.W.E.). 
This specimen agrees very well with Winnertz’s description, 
except that there is no yellow on the shoulders. I, know 
