16G 



NORTH AMERICAN DIPTERA. 



Synamphotera, 75 

 Syndyas, 74 

 Syneclies, 74 

 Syntenina, 18 

 Syntliesiomyia, 140 

 Syntormon, 80 

 Syritta, 89 

 Syrphid^, 82 

 Syrphus, 87 

 Systoechus, 66 

 Systropus, 67 



Tabanus, -52 

 Tabanid.'e, 49 

 Tabuda, 69 

 Tachj'dromyia, 75 

 Taehypeza, 75 

 Tachytrechus, 79 

 Tanypeza, 113 

 Tanypremna, 36 

 Tanypus, 25 

 Tanytarsiis, 25 

 Taracticus, 57 



Temnorera, see Volucella, 87 

 Temnostonia, 90 

 Tephritis, 123 

 Tephroclilaniys, 126 

 Tephronota, 117 

 Tetanocera, 126 

 Tetanops, 117 

 Tetanura, 113 

 Tetragoneura, 17 

 Tetropismenus, 117 

 Tersethes, 24-lxiv, 9 

 Teucliolabis, 33 

 Teuchocneiiiis, 89 

 Thamheta, see Diotrcpha, 33 

 Thocoinyia, 128 

 Thereva, 69 

 Therkvida;, 68 

 Theria, 140-lxii 

 Therioplt'ctes, 52 



'JViereuemi/la, see Eclinms, 67 

 Thinophilus, 81-lxix 

 Tlilii>sogaster 66 

 Tipula, 36 



TlPLLIP.=E. 29 



Tolnierus, 59 



Townsendia, 104 



Toxophora, 68 



Toxorrhina, 33 



Toxotrypana, 120 



Tricobius, 152 



Trichocera, 34 



Triclionta, 19 



Tricliosia, 17 



Triclis, 55-liii, 6 



Trigononietopiis, 127, 128 



Trimicra, 34 



Trineura, 95 



Triodites, see Aplia'bantiis, 67 



Triodonta, see Polydontoniyia, 89 



Triogma, 35 



Triplasius, 66-liii, 7 



Triptotricba, 44 



Tritoxa, 117 



Tritozyga, 13 



Trochobola, 32 



Tropidia, 88 



Tropidomyia, 92-xlviii, 34 



Trypeta, 121 



Trypetid.*;, 119 



Tylomyia, 112-xvii, 9 



Tyreomnia, 143 



U 



Ubristes, 85 

 Ula, 35 



Ulaniorplia, 34 

 ITlidia, 118 

 Urellia, 123 



Volucella, 87 



Velocid, see Hyperalonia, 64 



