310 MUSCID^. 



from the discal transverse to the tip ; discal transverse straight, nearly 

 upright, parted by full twice its length from the pi'sebrachial transverse, 

 and by much more than its length from the border. Abdomen pubes- 

 cent, slightly petiolated, convex, arched, curved beneath at the tip. 

 Legs slender, pubescent ; tibise slightly curved. Male. Abdomen cylin- 

 drical, %citli hoo appendages at the tip. Fore femora dentate and spinose 

 beneath. Fore tibia; bidentate beneath. Intermediate tarsi dilated. Fern. 

 Legs unarmed ; metatarsi compressed at the base. 



1. annulipes, Meig. Zw. v. 292. 1. 6 (1826) ; Curt. ! B. E. 245 ; 

 Mcq. Nigra {mas) aut nigro-ajnea {fcem.), antennis fuscis, alis sub- 

 fuscis (jjias) aut subhyalinis {foem.), pedibus nigris. Long. \\; alar. 

 li lin. 



j3Eneous-black, Antennae brown, red at the base ; arista black. 

 Sides of the thorax, scutellum of the metathorax, and abdomen shining ; 

 first and second abdominal segments somewhat cupreous. Halteres 

 yellow. Legs black ; coxffi yellow ; femora asneous-black, yellow at 

 the base. Male. Head and disc of the thorax black. Wings slightly 

 brown. Tibife marked with yellow above at the tips; anterior tibiae 

 brown ; middle tarsi deep black ; first and second joints white at the 

 base. Fern. Wings almost limpid. Middle tarsi black ; first joint 

 yellow. Var. /S. Male. First and second abdominal segments seneous- 

 green ; third and fourth eeneous-black. 



Not common. (E. I.) 



Genus IIL NEMOPODA. 



Nemopoda, Desv. E. M. 743 (1830) ; Mcq. Musca p., F. E. S. Calo- 

 bata p., F. S. A. Sepsis p., Fal. ; Meig. 



Corpus vix setosum. Palpi longi, graciles, setosi. Metathoracis scti- 



tellum bene determinatum . Al(B immacidata. Abdomen pubescens, 



subpetiolatum, convexum, arcuatum, apice subtus incurvum ; seg- 



mentum primum longum, apice supra tumidum. Pedes graciles, non 



setosi, in titroqne sexu simplices ; tibife subarcuata^ ; metatarsi longi. 



Mas. Abdomen subclavatum. Fcem. Abdomen longi-ovatum. 



Body with very few bristles. Palpi long, slender, bristly. Scutellum 



of the metathorax distinct. Wings unspotted ; costal vein ending on 



the hind border at a short distance from the tip of the wing ; subcostal 



ending at hardly beyond one-fourth of the length ; mediastinal ending 



at beyond one-third of the lengtli ; radial ending at five-sixths of the 



length ; cubital ending at the tip ; pricbrachial very near the cubital 



before the prfebrachial transverse, diverging much from it between the 



transverse veins, slightly converging to it from the discal transverse 



to the tip ; discal transverse straight, very slightly oblique, parted by 



