352 Mr. A. H. Haliday’s Descréptions of Dipterous Insects. 
truncatum, Hypopygio minuto abscondito, stylis 2 minimis subulatis vix 
emergentibus. 
1. Maritime. M. aureo-virens, antennis nigris, hypostomate niveo, 
pedibus ferrugineis: /JWas/ tarsis anterioribus elongatis onychiis 
productis. 
Exp. alarum ¢. lin, 5-+: 9. 53-4. 
Long. corp. 3. 23. OC ee. 
Antenne nigre: Os nigro-fuscum : Hypostoma et palpi niveo-sericantes : 
Facies sub antennis glaucescens: Gene splendide-virides barba candida: 
Frons aurato-viridis: Oculi rufo-castanei: Thorax lete virens lineis 2 
dorsi cupreis, aliis obsoletioribus subeyaneis : Metathorax, pleure et coxe 
glauco sericantes: Abdomen presertim in femina magis auratum 
nigro setosum lateribus glauco pubescens : Halteres lutei ; Ale: subhyaline 
radice et alulis dilute ferrugineis nervuris fusco-ferrugineis : Pedes pallide 
ferruginei nigro-pilosi et setosi, tarsis anticis apice posticis totis et tibiarum 
vix summo apice nigris: Tarsi anteriores maris onychiis insignibus ut in 
Diaphoro. ; 
{|g ¢ Taken on the coast near Holywood, in July, 1828.] 
DIAPHORUS. Meig. IV, 32, CXXIV. 
1. flavocinctus. Meig. IV, 32, 1. 
Near Bexley, June.] 
PSILOPUS. Meig. IV, 35, CXXV. 
1. platypterus. Meig. IV, 36, 2. 
Fabr. Syst. Antl. 270, 20. 
[The wings of the male in repose are divaricate; it is fond of resting 
in small troops on the shady side of a gate or paling. ] 
CHRYSOTUS. Meig. IV, 40, CXXVI. 
lesus. Meig. IV, 43, 7. 
— 6. 
5. 
nigripes. 
. femoralis. — 
wnre 
