54 



INDEX TO' FAMILIES AND GENERA. 



Aulonium, 261 



Aulonothroscus, .... 290 



Autographa, 469 



Automalus, 636 



Axima, 649 



Axinopalpus, 211 



Axion, 255 



Azelina, 508 



B. 



Babia, 340 



Bacanius, 270 



Baccha, 765 



Bactra, 538 



Bactridium, 277 



Bactrocerus, 581 



Badister, 207 



BcEocera, 250 



Baetis, 38 



Bsetisca 38 



Bagous, 385 



Baileya, 447 



Balaninus, 396 



Balclutha, 106 



Balsa, 448 



Banasa, 136 



Barce, 153 



Barilepton, 395 



Baris, 394 



Baropsis, 392 



Baryconus, 653 



Barypithes, 380 



Baryscapus, 639 



Basiaeschna, 78 



Bassareus, 340 



Bassus, 622 



Bathycetes, 627,629 



Batrachedra, 564 



Batrisodes, 234 



Batyle, 328 



Bedellia, 571 



Bellamira, . 331 



Bellura, 461 



Belonochilus, 141 



Belonuchus, 240 



Belostoma, 168 



BELOSTOMATID^J, .... 167 



Belvosia, . 778 



Belyta, 651 



BEIvYTIDvE, 651 



Bembecia, 518 



BEMBECID^, 679 



Bembex, 679 



Bembidium, 202 



Bembidula, 679 



Benacus, 168 



Benta, 532 



Berasa, 70 



Bens, 736 



Berosus, 226 



Bcrotha, 60 



Betarmon, 287 



BETHYLIM;, 667 



Bezzia, 712 



Bibio, 734 



BIBIONID^, 734 



Biblioplectus, 233 



Bidcssus, 219 



Biorhiza, 598 



Biosteres, 606 



Bittacomorpha, 708 



Bittacus, 66 



Blacus, 607 



Blaps, 358 



Blapstinus, 360 



BLASTOBASID^E, 562 



Blastobasis, 563 



Blasturus, 37 



Blatta, 174 



Blattella, 174 



BLATTID^J, 173 



Blechrus, 211 



Bledius, 247 



Blcnnocampa, 591 



Blepharida, 349 



Blepharipeza, 781 



Blepharipus, 682 



Blepharomastix 522 



Bleptina, 482 



Blethisa, 200 



Blissus, 142 



Bcethus, 622 



Bolboceras, 315 



Bolbocerosoma, .... 315 



Boletina, . . 723 



Boletobius, 247 



Boletophagus, 362 



Boletotherus, 362 



Bolitocnara, 237 



i Bombias, 699 



i Bombus, 698 



I BoMBYLiiDvE 744 



Bombyliomyia, 784 



BombyliuSj 746 



Bomolocba, 484 



BORBORID.E, 796 



Borborus, 796 



Boreus, 65 



Boriomyia, 61 



Borkhausenia, 562 



Boros, 367 



BOSTRYCHID^;, 307 



Bostrychus, 308 



Bothrideres, 261 



Bothriocera, 95 



Bothriothorax, 644 



j Bothynostethus, .... 680 



Boyeria, 77 



Brachiloma, 560 



Brachinus, 212 



Brachyacantha, 255 



Brachybamus, 385 



Brachycentrus, 69 



Brachycis, 310 



Brachycoma, 783 



Brachydeutera, 807 



Brachylobus, 213 



Brachymyrmex, .... 660 



Brachynemurus, .... 63 



Brachypalpus, 770 



Brachyptemna, 708 



Brachyrhynchus, . . . 139 



Brachypterus, 271 



Brachys, 296 



Brachystegus, 680 



Br achy stylus, 379 



Brachytarsus, 406 



Bracon, 614 



BRACONID^;, 605 



Bradycellus, 216 



Branchus, 618 



Brenthia, ... . 553 



BRENTHID^;, 396 



BREPHID^, 509 



Brephos, 509 



Brochymena, 134 



