354 Mr. A. H. Haliday's Descriptions of Dipterous Insects. 



viridis: Hypostoma et barba candidse: Femora nigra anterioragenubus 

 fuscis, postica basi angustius pallida : Tibiae fusco-ferruginese, posticse apice 

 fusc3e: Tarsi anteriores basi ferruginei : Femora antica dense nigro villosa, 



Lamellse sinuatff> exsertae, quae forma Meigenio audit "filis analibus $ 

 furcatis." 



^ Not uncommon on the sea-coast at Holywood: I have females also 

 from Richmond Park.] 



*Add. Labrum lanceolatum, mandibulis sub eodem brevioribus 

 extricatis : Lingua subuliformis longior : Maxillaj lobo minimo trigone 

 intra basin palporum vix detegendo. 



fin otnni specie ex hac familia adesse videntur mandibulae discretae 

 plerumque cultratae, sed in pluribus (ex. gr. Generibus Dolichopo, Mede- 

 tero, &c.) invicem adpressae ideoque auctoribus errore accept ae. Maxillae 

 stipes linearis rigid us haustelli lateribus est adnatus et lobus vix nisi in 

 Genere Machcerio conspicuus. 



5. insulsus. P. obscure viridi-aeneus, hypostomate aterrimo, antennis 



pedibusque nigris, tibiis ferrugineis, posticis compressis basi 

 pallide flavis apice clavatis atris. (Mas. J 

 Long, corp. 2J. 

 Color obscurior quam in praecedente : Abdomen brevius et pedes 

 postici longiores : Frons fere nigra : Hypostoma et barba atrae : Femora 

 omnia atra, postica latiora, coxae anticae nigro-villosae : Tarsi antici maris 

 simplices apice nigri: Tibiae posticae longiores sinuato-compressae : 

 Lamellae baud exsertae, 



^A single male taken on the coast near Holywood.] 



6. rufipes. Meig.IV, 52, 14. 



^ Several females ibid.] 



7. obscuratus. Meig. IV, 55, 21. 



^ A single female ibid.] 



C. Antennarum setd dorsali ante apicem articuli tertii insertd. 

 Porphyrops. 



8. diaphanus. Meig. IV, 46, 1. 



Fabr.Syst.Antl. 270, 18. 



^ Taken near Holywood, but rare.] 



9. fulgens. P. argenteo raicans, thorace viridi-aureo, abdominis 



