INDEX. 



PAGE 



Sphfeiophthalma vestita 183, 218 



virguncula Blake ....192. 253 



vulpina 188, 255 



waco 186, 229 



Wilsoui ... 185, 232 



xalapa 186. 245 



xalisco 189, 237 



zapoteca 186, 245 



zelaya 183, 186,211 



zenobia 187,220 



Sphegina 314 



Sphixea 324 



Spilograph a electa 307 



Spilomicrus 175, 176 



Steuocnrus, Olivierian species 1.38 



Stenopogon feacidin iis Will. 289 



Stenurges floriflalis i3ri(?s< 156 



Sterphus 322 



Stethon 10.12,55 



errans-ffoDi 13 



pectorosus 13 



Stichopogon trifasciatus 289 



Stictothrix 174 



Stilbosoma 322 



Symphoroinyia pachyceras Will... 287 



plagens Will.. 287 



Sympiezus flavipes Ashm 133 



Synacra — 176, 177 



Synarsis 171 



Synergus 63 



Synopeas 173 



Syiitoinaspiscaliforiiica A.ihm 127 



Syritta 322, 324 



Syr])hid8B of South America 308 



Syrplius 311,323 



Systole hrachyi>tera Ashm 126 



Teleas 172 



Telephonis, Olivierian species 137 



Teloiiomus 172 



Teniiiocera ^ 317, 323 



PAGE 



Teuebrio, Olivierian species 138 



Tetrastichinse 134 



Tetrasti ch u s acutus ^s/»H 134 



flavipes Ashm 135 



racemariffi Ashm 134 



Tossd Ashm 134 



Tharoi)s 55, 68 



umbila 9 



ruficornis 8 



Thereva crassicornis Will 293 



vialis 293 



Therevidfe 293 



Thoron 172 



Thoripalpus atrifascialis Hulst 160 



euthealis Hulst 160 



olivalis i/w/sf 160 



taleolalis Hulst 160 



Toryminse 127 



Tribalia 61 



Trichacis 174 



Trichosteresis 171 



Triclis tajax 289 



Trimorus 172 



Trogossita, Olivierian species 137 



Tropidia 321 



Trox, Olivierian species 136 



nbristes 324 



Volueella 316 



Wilt, Charles, Obituary Notice.... vi 



Xenonierus 172 



Xenotoraa 177 



Xestonotus 173 



Xiloteja 324 



Xylobius 11, 38, 57 



cy H nd riforniis 38 



Xylota 321 



Zelotypa 177 



Zinckenia perfuscalis Hulst 159 



Zygota 176,178 



