DIPTERA. 
’ VIT. Exomya, Desv. 
5. muscaria, Fin. Europe. 
6. nubilipennis, Meg.  ,, 
7. aurulans, Meg. 5 
8. bucephala, Meg. . ,, 
9. claripennis, Desv, ry 
10. aurulans, Desv. 5 
11. nigra, Desv. ¥ 
12. abdominalis, Desv. ,, 
13. punctata, Wg. = 
14. lateralis, Meg. 5 
15. cana, Hgg. ss 
16. ornata, Mg. 5) 
17. argentifrons, Wik. S. Afr. 
VIII. Hyaromya, Desv. 
. atropurpurea, Mg. Europe. 
. Violacea, Mg. 
. hamata, Mg. 
. obesa, Fb. 
. albipennis, Mg. 
. nebulosa, Desv. 
. carbonaria, Desv, 
. cinerea, Fb. 
. pusilla, Hgq. 
. hyalipennis, Fn. 
. semicinerea, Mg. 
. nana, Fin. 
13. 
14. 
— = 
=OOMNAFHIAQ*S OY 
_ 
oo 
pygmea, Fin. 
» 
” 
259 
Freyreisii, Wd. Brazil. 
TRICHOPODA DECISA. 
Fulva; caput supra nigrum, antice et subtus flavum; thoracis discus 
nigro trivittatus ; femora tibieque apice tarsique nigra; ale subci- 
neree, ad costam fulve, apice fusce. 
Tawny : head pale yellow in front and beneath ; crown black, excepting 
the sides: disk of the chest with three black stripes : feet and tips of the 
thighs and of the shanks black: wings slightly gray, tawny along the fore 
border till near the tips, where they are dark brown: winglets pale tawny. 
Length of the body 54 lines ; of the wings 9 lines. 
Amazon River. 
Genus PHASTA, Latr. 
Puasta inpIcA, Fem. 
Testacea ; thoracis discus fuscus ; ale subcineree fasciis tribus albidis. 
Testaceous: feelers luteous; sixth joint black: disk of the chest 
brown: sides and tip of the abdomen beset with black bristles: legs testa- 
ceous; wings pale gray, with three whitish bands, the first at the base; 
second very broad, before the middle ; third narrow, beyond the middle ; 
