320 Mr, F. Walker's Characters of undescrihed D/ptera 



taceo, tarsis apice fiiscescentibus, alis sub-cinereis, vena dis- 

 cali transversd rect4, strigd discali nigra. 

 Testaceous : head with two black dots above the insertion of 

 tlie antennae and two more by the epistoma ; antennae short; 

 third joint elongate-conical ; arista bare ; thorax with five ferru- 

 ginous stripes; pectus with two black dots on each side; ab- 

 domen brownish, except at the base ; tarsi brownish towards the 

 tips; wings greyish ; veins black, testaceous at the base ; discal 

 transverse vein straight, upright, parted by full its length from 

 the border, and by more than twice its length from the praebra- 

 chial transverse vein ; a black streak in the disk. 

 Length of the body 3 lines ; of the wings 8 lines. 

 Mexico. 



Genus Ccelepa, Meigen. 



Coelepa offendens. 

 Cinerea, capite longiusculo apud oculos albo, antennis nigris, 

 thorace vittis canis, abdominis apice pedibusque fusce- 

 scentibus, alis sub-cinereis, venis pallide-testaceis, haiteribus 

 albidis. 

 Cinereous : head somewhat elongate, white about the eyes ; 

 antennae black ; thorax with hoary stripes ; abdomen brownish at 

 the tip ; legs brownish ; wings very slightly greyish ; veins pale 

 testaceous ; discal transverse vein straight, upright, parted by 

 much less than its length from the border, and by much more than 

 twice its length from the praebrachial transverse vein ; halteres 

 whitish. 



Length of the body Sg lines; of the wings 5 lines. 

 Tasmania. 



Genus Sciomyza, Fallen. 



Sciomijza transdiicta. 

 Cinerea, capite antico testaceo, antennis abdomineque nigris, 

 pedibus fulvis, tarsis anticis nigris, alis sub-cinereis,. cosid 

 exteriore liturisque discalibus obscurioribus, haiteribus tes- 

 taceis. 

 Cinereous : head testaceous in front and beneath ; antennae 

 black; abdomen black; legs tawny; fore-tarsi black; wings 

 slightly greyish, dark grey along the apical part of the costa, and 

 mottled witii dark grey in the disk; discal transverse vein slightly 

 curved and oblique, parted by half its length from the border, 

 and by nearly twice its length from the praebrachial transverse 

 vein ; halteres testaceous. 



Length of the body ]| line; of the wings 3 lines. 

 United States. 



