1430 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Page. 



Astylospongia 1407 



Atactopora 1415 



Atactoporella 1415 



Ateleocystites 1411 



Athyris 1419 



Atrypa 1418 



Atrypitia 1418 



Aulacopleura 1424 



Aulocerium 1409 



Aulocopella 1407 



Aulocopina 1408 



Anlocopium 1407 



Aulopora 1409 



Austinella 1417 



Avicula 1419 



Aviculopecten 1420 



Azygograptus 1410 



Bairdia 1425 



Baltoceras 1422 



Barrandeoceras 1422 



Barrandeocrinus 1413 



Baryphyllum 1408 



Basilicus 1424 



Bathyurellus : 1424 



Bathyurus 1424 



Batostoma 1416 



Batostomella 1416 



Beatricea 1409 



Belemnocystites 1411 



Bellerophon 1421 



Berenicea 1415 



Beyrichia 1425 



Billingsella 1417 



Billingsites 1422 



Bilobites 1417 



Bistramia 1417 



Blastoidocrinus 1412 



Blastophycus 1427 



Blothrophylluni 1408 



Bodmania 1419 



Bolbocephalus . 1424 



Bolboporites 1414 



Boliviana 1427 



Bollia 1'425 



Boreaster 1408 



Botryocrinus 1414 



Brachiospongia 1408 



Brachyaspis 1424 



Braehyprion 1418 



Broeggeria 1416 



Bryograptus 1410 



Bucanella 1420 



Bucania 1421 



Page. 



Bucanopsis 1421 



Bueanospira 1421 



Bumastus 1424 



Buthograptus 1427 



Buthotrephis 1427 



Byssonycliia 1419 



Bythocypris 1425 



Bythopora 1416 



Cactograptus 1410 



Calapoecia 1409 



Calatliium 1407 



Calceola (subgenus Rhizophyl- 



lum) 1408 



Callicrinus 1413 



Callithamnopsis 1427 



Callocystites 1411 



Callograptus 1410 



Calloneina 1421 



Calloporella 1416 



Calostylis 1409 



Calvinella 1424 



Calvinia 1409 



Calymene 1425 



Calymeuella 1425 



Calyptograptus 1410 



Camarella 1418 



Camarocladia 1408 



Camarocrinus 1412 



Camarotcechia (subgenus Steger- 



hynchus) 1418 



Cameroceras 1422 



Canadocystis 1411 



Cannapora 1409 



Capellinia 1418 



Carabocrinus 1414 



Carinaropsis 1421 



Carpomanon 1407 



Carpospongia 1407 



Caryocaris 1426 



Caryocrinites 1411 



Caryomanon 1407 



Caryospongia 1407 



Cataschisma 1421 



Catazyga 1418 



Centronella 1418 



Ceramophylla 1415 



Ceramopora • 1415 



Ceramoporella 1415 



Ceratiocaris 1425 



Ceratocephala 1424 



Ceratopea 1421 



Ceratopora 1409 



Ceratopsis 1425 



