320 CLASS VIII. 
Lauxania LATR. 
Pachycerina Mace, Lonchea Faun, Meic., Teremyia Mace, 
Pterodontia GRAY. 
Celyphus Daum. Antenne of the length of the head. Scutel- 
lum convex, entirely covering the abdomen. 
Notiphila Fauu., Mera. 
Ochthera Latr., Dryxo Rosiy., Dicheta Muic., Hydrellia Rosi., 
Discocerina Mace. Trimerina Macg., Discomyza Metc., Cania 
Rosin. 
Piophila Faun., MEIc. 
Trichomyza Macg., Ephydra Fau., Mric., Anisophysa Macg., — 
Ochthiphila Fauu., Campicheta Macq. Gitona Muic., Drosophila 
Fauu., Stegana Muic., Diastata Muia., Leptopezina Macg., Opomyza 
Fat. Mete., (Geomyza Fauu.,) Graphomyzina Maca. 
Spherocera Latr., Borborus Mria. 
Ceroptera Macg., Crumomyia Macg., Heteroptera Macg., Limosina 
Maca., Apterina Macg., (wings none). 
Sp. Borborus pedestris Mute. Europ. zweifl. Ins. v1. Pl. 62, fig. 21, two lines 
long, brilliant black, wingless; this curious insect was discovered by 
V. WINTHEM near Hamburg. 
Oscinis Latr., Fasr., Chlorops Mria. 
Diasema Macg., Aulacigaster Macg., Leptomyza Macg., Leucopis 
Mric., Milichia Metc., Gymnopa Faur., Metc., Siphonella Mace, 
Homalura Metc., Cnemacantha Muic., Heteroneura Fauu., MeriG., 
Therina Mrtc., Meromyza Mxtic., Chlorops Meic., Mace., Oscinis 
Larr., Mace, Leiomyza Macg., Agromyza Fauu., Meic., Phyllomyza 
Fauu., Asteia Mric., Llachiptera Maca., Myrmemorpha DuFour. 
2) Squamez of poisers small or moderate. Head sub-globose, 
with eyes in males (sometimes in both sexes) approximate. (Abdo- 
men quadriannulate). Seta of antenne inarticulate, often plumose 
(Anthomyide). 
Cenosia Mra. Eyes distant, especially in females. Abdomen 
of male clavate at apex. Wings incumbent. 
