INDEX 



PAGE 



Sophropompilus? sethiops. 223 



'? philadelphicns 223 



relativus. 239, 241 



Sphecodes. 292 



Sphecodium pycnaDtlieinum. 242 



Sphecodogaster 293 



Sphex ashmeadii 233 



lucffi. 232 



Sphinctogaster lutescens 12 



rigrosoma Banks 12 



Spilochalcis bioculala 184 



delira. 221 



delumbis 184 



marise 184 



torvina 184, 221, 227 



Spinoliella 299 



Stenophylax ? parvulus Banks 9 



Stenopterina mexicana 279 



Stelis 304 



Stictia Carolina 224, 240 



pictifrons 235 



usitata 247 



Stictomyia 285 



loDgicornis 284 



Stigmus inordinatus; 236 



Stizus godmaiii 235 



Strongy logaster apicalis 174 



Sychnoportus tuckeri 183 



Sympberobius Banks 29, 40. 50 



amiculus 40, 42 



angustus 40, 41 



barber! 40, 42 



occidentalis 40 



perparvus 40, 41 



pictus 40, 41 



umbratus. 40, 41 



Symmorpbus albomarginatns 326 



cogitans Cameron 325 



trisulcatus Cameron 327 



Synhalonia crenulaticornis 242 



Tacbysphex clarconis Viereck 211 



crassiformis Viereck 210 



intermedius Viereck 211 



propinquus 235 



Tachytes rnfofasciatiis 241 



spatulatus 235, 245 



Tanarth ropsis 165 



alutaceus 167, 172 



PACK 



Tanarthropsis brevipennis 167 



densus 167, 171 



infernalis Wickham 167, 171 



inyo Wickham 167, 169 



mormon Wickham 167, 169 



nubifer 167, 168 



sallcola 167, 170 



virginalis Wickham 167, 168 



Tenth redo montanus 175 



nuperus 175 



tardus 175 



xanthus 176 



Tenthredopsis atroviolace;i 173 



Tetanops luridipennis • . ■ 282 



vittifrons 282 



Tetrachrysis cseruleus 230 



equidens Viereck 193 



kahli Viereck 194 



lauta 230 



nitidula 245 



pattonella Viereck 194 



propria 241 



snowi Viereck 195 



tripartita 230 



Tetralonia 101, 310 



acerba 85 



actuosa 90, 114 



auuffi Cockerell 114 



aragalli 95 



astragalina 80 



atriventris 79, 83 



bel fragei 84 



birkmannella Cockerell- ■ • .93, 94 



californica 79 



cordleyi 84, 90, 95 



crenulaticornis 97 



cressoniana 84, 114 



dilecta 79, 90, 94, 95 



donata 114 



edwardsii 79,95, 96 



fedoris Cockerell 93, 94 



frater 80, 94, 95 



fulvoliirta 79 



fulvitarsis 79, 97 



gillettei 80, 94, 115 



birsutior 75 



honesta... 76 



intrudeiis 76 



