INDEX. XXXV 
Orver XII.—DIPTERA—( continued ). 
Odontomyia, 347 
Ephippium, 847 
Oxycera, 348 
Nemotelus, 348 
Chrysochlora, 348 
Sargus, 348 
Vappo, 349 
Fam. 5.—ATHERICERA, 349 
Tribe 1.—Syrphide, 350 
Syrphus, 350 
Volucella, 351 
Sericomyia, 351 
Fristalis, 351 
Mallota, 352 
Helophilus, 352 
Syrphus proper, 352 
Chrysogaster, 353 
Baccha, 358 
Paragus, 353 
Sphecomyia, 353 
Psarus, 353 
Chrysotoxum, 354 
Ceria, 354 
Callicera, 354 
Ceratophyta, 354 
Aphritis, 354 
Merodon, 355 
Ascia, 355 
Sphegina, 355 
Eumerus, 355 
Milesia, 355 
Pipiza, 356 
Brachyopa, 356 
Rhingia, 356 
Pelecocera, 356 
Tribe 2.— Hstrides, 356 
Qstrus, 357 
Cuterebra, 358 
Cephenemyia, 358 
Q£demagena, 358 
Hypoderma, 358 
Cephalemyia, 358 
(Estrus proper, 358 
Gastrus, 358 
Tribe 3.— Conopsaria, 359 
Conops, 359 
Systropus, 360 
