DIPTERA. — Q57 
Fam. MUSCIDA, Leach. 
Sub-fam. GastropEm, Desv. 
Genus GYMNOSOMA, My. 
Sub-genera and species described. 
Gymnosoma. CisrocasTER, Latr. 
. 1. rotundata, Z. Europe. Pallasia, Desv. 
var. obliqua, Des». 11. globosa, #b. Europe. 
2. costata, Pz. of 12, dispar, Fun. an 
3. Latreillii, Desv. 13, aurantiaca, Mg. ,, 
4. fuliginosa, Desv. N. Amer. 14. immaculata, Mg. N. Amer. 
5. atra, Desv. ; 
6. minuta, Desv. Europe. . Stroneyoasrer, My. 
7. nitens, Wd. 3 15. globula, Mg. 
8. microcera, Desv. ,, 16. exigua, Mg. 
9. par, WIk. 17. delicata, Mg. 
10. occidua, WIk. 
GyYMNOSOMA INDICA. 
Nigra; caput auratum; thorax fulvescens ; abdomen fulvum maculis 
nigris vittatum ; ale cinerea, basi fulve. 
Black : head adorned with a gold covering ; face, epistoma and under 
side white ; chest with a bright tawny covering: abdomen tawny with a 
row of black spots which are all connected together excepting the last : wings 
gray, tawny at the base: winglets and halteres bright yellow. Length of 
the body 3} lines; of the wings 7 lines. 
East Indies. 
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