176 



INDEX TO GENERA. 



INDEX TO GENERA. 



Abastor 121 



Abies 91 



Acacia 137 



Acridium 78 



Aelurodon 66 



Agriochoerus 67, 112 



Ainpelopsis 103, 136 



Anabrus 74 



Auomodon 13 



ADchitherium 109, 112 



Ancylus 57 



Anemone 115 



Anguillula 69 



Anser 130 



Apogon 119 



Aquila 141 



Aralia 107 



Archibuteo 141 



Ardea 88 



Asaphus 53 



Asteracantbus 13 



Astragalus 137 



Asturina 342 



Astyanax 92 



Auchenia 126 



Aviculopecten 39 



Baena 123 



Balistes 120 



Baptemys 5 



Baptosaurus 3 



Barycrinus 23 



Bison 13, 69 



Boopedon S3 



Bootheriuin 97 



Botrychium 91 



Bracbypeplus 79 



Branta 131 



Britnosaurus 10 



Bubutus 88 



Caloptenus 78 



Canis 109 



Carbonarca 39 



Carinifex 59 



Centbopbilus 77 



CeDtrouiochlus 95 



Centropristis 120 



Cepbalobus 69 



Ceratopbyllum 90 



Cetopsis 95 



Cbaetetes 35 



Cbalicotherium 113 



Ohelydra 123 



Chenolopex 130 



Cbionoecetes 106 



Chloetropus 131 



Cbcepbaga 131 



Chonetes 35 



Cimoliasaurus 21 



Clematis 135 



Clidastes 3 



Clinopistha 43 



Codonites 31 



Conocorypbe 63 



Convolvulus 128 



Cordylophora 113 



Cosoryx 67 



Cotburnia 100 



Craxirex 142 



Crocodilus 100, 122 



Cryptoceras 48 



Cryptocerus ... 48 



Cyanea 90 



Cyatbocrinites 24 



Cyperus 137 



Dendrocygna 130 



Dentalium 45 



Dermatemys 4, 124 



Dicotyles 11 



Disco^aurus 10, 19 



Ditbyrocaris 55 



Drejera 137 



Dromaiherium 9 



