MUSCA. 115 



ending at about five-sixths of the length ; curve of the preebrachial vein 

 very slight and very near the tip ; discal transverse vein with two dis- 

 tinct curves, parted by less than its length from the border, and by 

 very much more than its length from the flexure of the prsebrachial. 

 Alulae and halteres dingy testaceous. Second and third segments of 

 the abdomen with two spots on each, Male. Eyes not connected. 

 Stripes of the thorax broad. Wings brownish-grey. Abdominal spots 

 large. Fern. Eyes remote. Stripes of the thorax narrow. Wings 

 slightly grey. Abdominal spots small. 

 Not common. (E.) 



21. meridiana, L. Fn. 1 827 (1761) ; D. G-. ; Schr. ; Gmel. ; Pz. ; 

 Fal. ; Meig. ; Mcq. ; Zett. Nigra, nitens, capite cano-tomentoso antice 

 aurato, alis subhyalinis basi luteis. Long. 5^-6 ; alar. 11-12 lin. 



Black, shining. Head with hoary tomentum ; frontalia deep black ; 

 facialia bristly along more than half the length; mediana and lateralia 

 gilded. Antennse not reaching the epistoma; second joint ferruginous 

 at the tip ; third tapering from the base to the tip, thrice the length of 

 the second; sixth ferruginous towards the base, plumose to the tip. 

 Wings subhyaline, slightly grey along the veins, bright luteous at the 

 base and along part of the fore border ; subcostal vein ending at much 

 beyond one-third of the length of the wing ; mediastinal vein ending at 

 about two-thirds of the length ; radial vein ending at about seven-eighths 

 of the length; discal transverse vein with two distinct curves, parted 

 by much less than its length from the flexure of the pra3brachial, and 

 by hardly half its length from the border. Alula3 slightly luteous. 

 Halteres ferruginous. 



Generally distributed. (E. S. I.) 



The following additional species of Musca have been recorded 

 as British : 



1. Musca Ca3sarion, Hojf. 



2. chloris, Hal. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 



regina, Meig. 

 albipennis, Meig. 

 azurea, Fal. 

 Lanio, F. 



atramentaria, Meig. 

 sepulchralis, Meig. 

 pabulorum, Fal. 

 csesia, Meig. 

 tempestina, Fal. 

 cyanella, Meig. 



13. versicolor, Meig. 



