INDEX TO GENERA, ETC. 

 1890. 



Abies 219, 230 



Acarus 280 



Acer 233, 224, 248, 275 



Acrocrinus 152 



Acrocul ia 1 50-1 76 



Actreonella 454, 462 



Actinocrinus...l58, 346-353, 365, 368- 

 370, 378 



Actinocyclus 136, 140 



Actinodiscus 1^6 



Actinopty chus 136 



Actita 150 



Adapis 55 



Adapisorex 54, 56 



Adapisoriculus 54, 57 



Aegialitis 203 



Aerope 41 



./^sculus 274 



Agaricocrinus ] 58, 365 



Agelaius 208, 218 



Agnatha 41 



Ailanthus 222 



Aimophila 212, 213, 215 



Albocrinus 376 



Allagecrinus 354, 355 



Aniazilia 207 



Am bly om ma 280 



Ammod ramus 212, 218 



Ammonites 447-451, 458 



Amphidesma , 143 



Amphistegma 143,447 



A m p h i s t o m u m 4 1 8 



Amphitetras 136 



Ananchytes 456 



Anas 208 



Anaptomorphus 54 



Anaulus ]36 



Ancella 466 



Anchura 450, 453 



Ancillaria 398, 406 



Ancyloceras 454 



Andromeda 23 1 



Andropogon 232, 235, 239 



Angaria 450 



Angelica 231 



Anhinga 203 



Anomalocrinus 379, 380 



Anomia 143, 404 



Anser 203 



Ansturina 205 



Antedon 347, 357, 363, 378-390 



Antliocephalus... 282 



Anthostoma 228 



Anthostomella 228 



Aythya... 217 



Aphelocoma 214 



Apiocri nus 3G2 



Apocynum 230 



Area 143, 403 



Archaeocrinus 366 



Arcopagia 455 



Arctocyon 51, 52, 54, 59 



Ardea 203 



Arenicola 73-75 



Arietes 465 



Arteonis 143 



Artemisia 240 



Arthroacantha 158 



Artibeus 29 



Arundinaria 229 



Ascaris 410 



Asclepias 232 



Asio 125 



Asperula 266 



Aspro 49 



Astarte 143, 146, 402 



Asterina 219, 220 



Asteiolampra 136 



Astrea 145 



Astropecten 318, 330, 334 



Atalapha 29 



Atelestocrinus 384 



Athene 130 



Atraclis 411 



Auchenia 64 



Aulacodiscus 136 



Auliscus 136 



Aulonia 421 



Auricula 455 



Axinsea 403 



Bacliymystax 49 



Badhamia 195 



Baerocrinus 377, 379-390 



Bacillus 438 



498 



