V 



PAGE 



Addenda to Nematocera 305-307 



Trichocerinae 306-307 



Division Brachycera 307-407 



Tabular arrangement of families 308 



Keys to families: — 



Larvae 308 



Pupae 310 



Imagines 312 



Tribe Platygenya 314-399 



Superf amily Stratiomyioidea 314^354 



Family Stratiomyiidae 315-346 



Key to subfamilies 316 



Stratiomyiinae 317 



Clitellariinae 322 



Beridinae 331 



Geosarginae 331 



Pachygasterinae 334 



Xylomyiinae 340 



Principal papers on North American Stratiomyiidae 346 



Family Xylophagidae 346-351 



Family Coenomyiidae 351-354 



Family Acanthomeridae 354 



Superf amily Tabanoidea 354-367 



Family Tabanidae 355-361 



Principal papers dealing with the biology of North American 



Tabanidae 361 



Family Leptidae 362-367 



Superf amily Cyrtoidea 368-369 



Family Nemestrinidae 368 



Family Cyrtidae 368-369 



Papers on North American Cyrtidae 369 



Superf amily Asiloidea 369-396 



Family Mydaidae 370-373 



Family Apioceridae 373 



Family Asilidae 373-389 



Family Bombyliidae 389-396 



References to descriptions of larvae and pupae of North American 



Bombyliidae 395 



Superfamily Therevoidea 396-399 



Family Therevidae 396-398 



Family Scenopinidae 398-399 



Tribe Orthogeuya 399-407 



Superfamily Empididoidea 399-407 



Family Empididae 400-403 



Papers on the biology of North American Empididae 403 



Family Doliehopodidae 403-407 



References to papers on the biology of North American and 



European Doliehopodidae 406-407 



