Vlll 



INDEX. 



PAGE. 



Stratiomyia qiiaternaria 231, 241 



robusta 247 



senaria 231. 237 



simplex 248 



subalba 246 



unilimbata 231, 236 



Strougylogaster abuoriuis 311 



auuulosus 310 



apicalis 312 



luctuosus 310 



pinguis 311 



soriculatus 310 



Stylogaster neglecta 64 



Synhalonia atriventris 126 



belfragei 126 



frater 126 



nigripes 126 



Syritta pipiens 54 



SyrpliidiB 33 



Syrplioctonus 18, 25, 29 



agilis 25 



cressonii Davis 25, 27 



gillettii Davis- ... -25, 26 



maculifrons 25, 26 



mellipes 25, 26 



pacificus 25, 26 



pleuralis 25 



robustus Davis 25 



Syrphus sp 36 



Tabanidffi 56 



Tabauus alene Towns 59 



angustifrons Toivns 59 



atratus 60 



exiil 60 



punctifer 60 



Tachinidge 65 



Tachina clisiocampge 73 



sp 73, 74 



Taxoiius inulticolor 309 



Tenebrionidfe 341, 372 



Tenthredo Crcssoni 312 



Thelaira sp 78 



Therioplectes astutus 57 



comastes 58 



zonalis 58 



Throscidae 334, 364 



Titria 16 



glabrata 16 



PAGE. 



Trichophora sp 73 



Trichopoda arcuata 65 



histrio 65 



mexicana 65 



Trichopterygida} 328, 358 



Trogositidaj 331, 361 



Tropidla incana Towns ,52 



quadrata 53 



Vanderwulpia atrophopodoides. . . 77 



Voliicella abdomiualis 39 



anna 40 



apicifera Towns 40 



castanea 41 



comstoeki 41 



estebana 41 



esuriens ' 41 



evecta 42 



facialis 42 



fax Toicns 42 



fornax 43 



haagii 43 



inops Towns 43 



isabellina 44 



lucana 44 



mellea 44 



obesa 45 



pallens 45 



satiir 45 



sodomis 45 



tolteca Towns 45 



vacua 46 



Xylonomus maudse Davis 32 



Xy lota chalybea 53 



flavitibia 53 



pigra 53 



Xysta sp 65 



Zudion fulvifrons 63 



splendens 63 



Zootrepbes 18. 22, 29 



antennatus Davis- • • -22, 23 



cingulatus 22, 23 



frigidus 22 



ichneumon ides 22, 23 



maudfe Davis 22 



montanus Davis 22, 23 



saginatus 22. 23 



scapulatus 22 



inconstaus Davis 23 



6a3 



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