104 MUSCID.E. 



flexure of the prsebrachial. Alulae white. Abdomen tessellated with 

 four rows of partly confluent spots. In a fly of this species the cubital 

 and prsebrachial veins in one wing are connected near their tips by a 

 transverse vein. 

 Common. (E.) 



6. hsemorrhoidalis, Fal. Muse. 39. 2 (1810); Meig.; Mcq. ; 

 Zett. Nigra, cano-tomentosa, capite argentato, thorace nigro-quadri- 

 vittato, alis subhyalinis, vena prcebrachiali inter Jlexuram et apicem valde 

 arcuata, abdomine quadrifariam nigro-tessellato. Long. 4-5 ; alar. 

 8-10 lin. 



Black, with whitish tomentum. Head silvery-white in front ; fron- 

 talia deep black. Sixth joint of the antennae deeply plumose. Thorax 

 with six regular stripes, the two outer pairs connected in front, the 

 inner pair intersected. Wings almost limpid ; prcebrachial vein form- 

 ing a right angle at its flexure, near which it is much curved inward, and 

 thence is almost straight to its tip ; discal transverse vein nearly straight, 

 parted by less than its length from the border, and by a little more 

 than half its length from the flexure of the prsebrachial. Alulae white. 

 Abdomen distinctly tessellated with four rows of spots. 



Not common. (E.) 



7. cruentata, Meig. Zw. v. 28. 23 (1826) ; Mcq. ; Zett. D. S. 

 ruflcauda, Zett. I. L. Nigra, capite antice albo, frontalibus atris, tho- 

 race cano-sexvittato, alis sublimpidis, vena prcebrachiali inter flexuram 

 et apicem subarcuata, abdomine quadrifariam nigro-tessellato. Long. 

 3^ ; alar. 7 lin. 



Black, with hoary tomentum. Head white in front ; frontalia deep 

 black. Sixth joint of the antennae rather deeply plumose. Thorax with 

 six stripes, the two outer pairs connected in front, the inner pair indis- 

 tinctly intersected. Prcebrachial vein forming a hardly obtuse angle at 

 the flexure, slightly curved inward near this, and thence straight to the 

 tip ; discal transverse vein with two slight curves, parted by little less 

 than its length from the border, and by more than half its length from 

 the flexure of the prsebrachial. Alulae white. Abdomen tessellated 

 with four rows of spots. 



Not common. (E.) 



8. hsemorrhoa, Meig. Zw. v. 29. 24 (1826) ; Mcq. ; Zett. Ob- 

 scure fusco-nigra, cano-tomentosa, capite antice albido, frontalibus 

 atris, thorace sexvittato, alis subcinereis, abdomine maculis nigris 

 quadrivittato. Long. 3 ; alar. 6 lin. 



Brownish-black, with cinereous tomentum. Head whitish in front ; 

 frontalia deep black. Sixth joint of the antennae thinly and rather 

 deeply plumose. Thorax with six stripes, the two outer pairs con- 

 nected together in front. Wings slightly grey ; praebrachial vein 

 forming an obtuse angle at the flexure, very slightly curved inward near 

 this, and thence almost straight to the tip ; discal transverse vein with 



