400 



ERNEST A. BACK. 



PAGE 



ruf escens 354 , 362 



rufipes 374 



rufithorax 309 



rufiventris 309 



rufotarsus 259, 260, 275 



rufotibialis 179, 182 



ruf us (Myelaphus) 243, 245 



ruf us (Nicocles) 385, 392 



ruf us (Saropogon) 351 



sabaudus 190 



sabulonum 372 



sackeni 25 1 , 255 



sallei 354, 364 



Saropogon 154, 344 



scapularis 169 



schaefleri 157, 170 



scitula 377, 382 



Scleropogon 189 



semiustus 345, 351 



seniculus 312, 315 



senilis 319,328 



sexfasiata 227, 228 



simplex 247 



similis 2C9 



snowi 312, 315 



sparsipilosum . 247 



spathulatus 185 



Sphageus 152, 211 



Stenopogon 151 , 189 



Stichopogon 154 , 331 



sudator 259, 261, 291 



PAGE 



subfasiata 228 



subulatus 193, 202 



symmacha 354, 365 



tagax 231 



Taracticus 154, 373 



tenebrosus 193, 206 



tenuipes 158, 172 



ternata 354, 366 



terricola 297, 300 



testaceus 157, 172 



tetragrammus 297, 301 



tibialis 285 



tipuloides 155 



Townsendia 151 , 174 



Tricilis 152, 230 



trifarius 179, 183 



trifasciatus , 332, 335 



tristis 219 



trunca 377, 383 



umbrina 367 



umbrinus 312, 317, 354 



unicolor 307 



nnivittatus 193 



varipennis 259, 295 



varipes 168 



ventralis 185, 188 



vera 251, 256 



vespoides 318, 329 



virgatus 157, 158, 173 



Willistonina 154, 337 



winthemi 354, 369 



ERRATA. 



Page 137, line 19, read to the for of. 



" 137, line 27, read Willistonina for Willistonia . 



" 139, line 6, read Meigenian for Schiner. 



" 139, line 11, react from for for. 



" 139, line 34, insert Dioctria between Dasypogon and Leptogaster 



" 140, line 6, omit first r. 



' ' 140, line 8, read der for de. 



" 140, line 8, read Sudafrika's for Suda Africas. 



" 140, line 10, read oder for order. 



" 140, line 11, read Hofcabinets for Hofcabinits. 



" 142, line 4, read these for the. 



" 143, line 25, read Ceraturgus for Ceraturgis. 



" 148, line 5, omit the before Laphystia. 



