210 MUSCID^E. 



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

 upright, parted by full twice its length from the preebrachial 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, with two appendages at the tip. Fore femora dentate and spinose 

 beneath. Fore tidies 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-senea (fcem^ antennis fuscis, alis sub- 

 fuscis (mas) aut subhyalinis (fcem.)> pedibus nigris. Long. 1; alar. 

 H lin. 



JEneous-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; COXOB yellow; femora seneous-black, yellow at 

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

 brown. Tibise marked with yellow above at the tips ; anterior tibise 

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

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

 yellow. Var. 0. Male. First and second abdominal segments seneous- 

 green ; third and fourth aeneous-black. 



Not common. (E. I.) 



Genus III. NEMOPODA. 



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

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



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

 tellum bene determinatum. Al& immaculate. Abdomen pubescens, 

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

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

 setosi, in utroque sexu simplices ; tibias subarcuataa ; metatarsi longi. 

 Mas. Abdomen subclavatum. Foem. 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 length ; radial ending at five-sixths of the 

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

 before the prabrachial 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 



