212 MUSCID^E. 



sessile, depressed. Legs slender. Male. Abdomen almost linear, gene- 

 rally bristly at the tip ; first segment long. Fore femora and fore tibiae 

 dentate and spinose beneath. Fcem. Abdomen elongate-oval, segments 

 of nearly equal size. 



1. putris, L.S.N. ii. 793. 89 (1767); Scop.; R; Gmel.; Pal.; 

 Meig. ; Mcq. ; Hal. ; Zeti.fimeti var., ~L.jimeti, Schr. Atra vel 

 nigro-senea, nitida, alis subhyalinis ant subfuscis ; Mas, hypopygio bre- 

 vius setoso, metatarso antico brem incrassato. Long. 1^-lf ; alar. 2f- 



3 lin. 



Black, shining. Wings almost limpid ; costa black. Halteres yel- 

 low, brown at the base ; tarsi covered beneath with brown down. Male. 

 Tufts of curled hairs on each side of the hypopygium not half so long as 

 the abdomen. 



Generally distributed. (E. S. I.) 



2. pilosa, Desv. E. M. 746. 1 (1830). superba, Hal. Nigra 

 aut nigro-senea, nitida, alis sublimpidis ; Mas, hypopygio longius setoso, 

 metatarso antico longissimo. Long. 1; alar. 2 lin. 



Black, shining. Wings almost limpid ; costa black. Halteres yel- 

 low. Tarsi covered beneath with brown down. Male. Tuft of hairs 

 on each side of the hypopygium as long as the abdomen. Fore femora 

 twisted and armed below with four spinous teeth in a cluster ; fore tibiae 

 deeply notched, with a strong tooth on the inner side ; above this a spine, 

 a small tooth nearer the base ; before the tip on the outer side is a long 

 spine ; fore metatarsus very long and straight, the next joint is the shortest. 

 Tar. Body aeneous-black. 



Not common. (E. I.) 



3. minor, Hal. E. M. i. 170 (1833). Nigra, nitida, alis sublim- 

 pidis aut subfuscis; Mas, hypopygio nudo, tarsis simplicibus. Long. 

 f-1 ; alar. 1-1J lin. 



Black, shining. Wings almost hyaline or slightly brown. Halteres 

 yellow. Abdomen seneous-black. Male. Hypopygium bare. Fore 

 femora with a few bristles below ; fore tibiae with a bifid spine about the 

 middle. 



Generally distributed. (E. S. I.) 



4. Leachi, Meig. Zw. v. 291. 14 (1826). Nigra, nitida, alis sub- 

 limpidis, maris abdomine apice setoso, pedibus basi rufis. Long. 2 ; alar. 



4 lin. 

 Black, 



red at 



dentate beneath. 

 Bare. (E.) 



ck, shining. Wings almost hyaline. Halteres yellow. Legs 

 the base. Male. Hypopygium bristly ; fore femora and fore tibiae 



