INDEX TO GENERA. 



531 



INDEX TO GENERA. 



1881. 



Abacocrinus 307 



Abracrinus 397 



Acanthocrinus 397 



Acniffia 87 



Acrosoma 431 



Actinometra 198 



Actinocrinus 179,188, 199, 201, 312, 879 



Adelocri,nus 231 



Agaricocrinus 190, 193, 201, 283, 402 



Albulii 114 



AUageci-inus 177 



Allopagus 424 



Alloprosallocrinus 193,287, 402 



Alnus 455 



Amblacrinus 402 



Ammophila 454 



Ampelopsis 442 



Amphoracrinus 187, 190, 198, 325, 402 



Antedon 212 



Antennarius 113, 116 



Anthemocrinus 382 



Apbyllon 161 



Apodicbtbys 114, 119 



Area 448 



Arcella 9, 10 



Arceutbobium 439 



Arcbaeocrinus 187, 363 



Argyreiosus 114 



Asparagus 112 



Aspidocrinus 402 



Aster 454 



Asterocrinus 402 



Astrocrinites — 402 



Astropodia 403 



Atberinopsis 114 



Atocrinus 231 



Atriplex 454 



Atta 67 



Balanocrinus 403 



Batocrinus 185,190,192, 201, 336, 403 



Belemnocrinus 178 



Betula 455 



Bigtionia 442 



Bracbiocrinus 403 



Branchiostoma 114 



Briarocrinus 270 



Bucardia _ 426 



Bulla 208 



Cacabocrinus 403 



Caelocrinus 403 



Calatbocri nus 403 



Campodea 82, 85 



Camponotus 60 



Carinifex 108 



Carpocrinus 279 



Carterella 150, 176, 460, 463 



Castanea 455 



Castanocrinus 403 



Centrocrinus 278 408 



Centropomas 114 



Cestracion 114 



Cbama 427 



Choanopoma 15 



Cboeropsis 128 



Clinus 114 



Clonocrinus 408 



Coccocrinus 191, 204, 232 



Codonites. 192 



Coeliocrinus 197 



CoUembola 83' 



Comatula 191 



Condylocrinus 394, 403 



Conocrinites 403 



Copbinus 403 



Cordylocrinus 234 



Cornus 459 



Coron ocrinus 403 



Cotinus 125 



Cotyledonocrinus 251 



Crassatella 445 



