332 CLASS VIII. 
Leptopeza Maca. (spec. of Ocydromia MEIG.) 
On the synonomy of certain species comp. STHGER in KroyeEr’s Tids- 
skrift, IV. pp. 93—102. 
Cdalea Meta. 
Empis L. Proboscis exsert, perpendicular, or inflected under 
the body. Last joint of antenne terminated by a seta or style. 
Head small, globose. 
a) With antenne biarticulate (the two inferior being confluent). 
Tachydromia Metre. (Sicus Larr.). Anterior thighs incrassate. 
Add sub-genera: Hemerodromia Horrmansece, Drapetis Mu- 
GERLE, Platypalpus Maca. (spec. of Zachydromia Meta.), Xiphi- 
dicera Maca. Ardoptera and Hlaphropeza Maca. (sp. of Hemero- 
dromia). 
Cyrtoma Mric. Is this its place ? 
6) With antenne triarticulate. 
Empis Mra. (Hmpis, Pachymerina Macgq.), Rhamphomyia Mei«., 
Hilaria Meic., Brachystoma Mric., Gloma Meia., Microphorus 
Maca. (Lrichina MEiG.) 
Sp. Lmpts tessellata FaBR., Empis opaca Fasr., &c. 
tt Wings divaricate. 
Cyrtus LatR. Proboscis inflected under the body. Antenne 
approximate. Poisers small, covered by large squame. Head 
small, globose. Thorax gibbous. Abdomen inflated, vesiculose. 
Tarsi with three pulvilli. 
a) Proboscis short (sometimes not discernible in the dried insect). 
*) With antenne biarticulate, no style. 
Pterodontia GRAY. 
**) With antenne biarticulate, and terminal style. 
Henops WuuiG., Farr., Ogeodes (Oncodes) Larr., (Henops MEIG., 
Acrocera MEIG.) 
Comp. Ericuson Archiv f. Naturgesch. 1846, p. 288. 
Sp. Henops gibbosous, Musca gibbosa, L., GuiRIN Iconogr., Ins. Pl. 94, 
fig. Io. 
***) With antenne triarticulate, no style. 
Astomella Durour, LAtr., Ocnea Ericus., Pialea Ertcus. 
