92 



INDEX. 



Subula, 18 

 Sunecb.es, 37 

 Symplecta, 6 

 Syritta, 48 

 Syrphici, 46 

 Syrphus, 50 

 Systropus, 44 



Tabani, 18 

 Tabanus, 19 

 Tacbina, 64 

 Tacbydromia, 46 

 Tachydromi^e, 46 

 Taeniaptera, 81 

 Tanypus, 4 

 Tepkritis, 77, 79, 8 

 Tetanocera, 82 

 Tetanura, 80 

 Tlieresia, 73 

 Thereva, 38 

 Tipula, 7 



TlPULARIvE, 1 



Toxomerus, 48 

 Toxophora, 44 



Trchocera, 9 

 Toxorbinia. 6 

 Trichopoda, 63 

 TrineuRjE, 85 

 Tropidia, 53 

 Trupanea, 32 

 Trypeta, 78 

 Trypkcra, 66 

 Trypoderma, 61, 62 



Ulidia, 81 

 Urophora, 79, 80 



Volucella, 56 



Xylophagi, 18 

 Xylophagus, 18 

 Xylota, 49 

 XylotomjE, 3S 



Zelia, 69, 70 

 Zenillia, 66 

 Zodion, 60 



PUBLISHED BY THE 



SMITHSONIAN INSTITUTION. 

 APHIL, 1858. 



