INDEX TO GENERA. 



261 



INDEX TO GENEHA. 



Abies 159 



Acantbinnla 55 



Acantliocystis 166 



Acavus 58 



Acer 138, 318 



Aceratherium 147 



Aclifenodon 116 



Achlya 160 



Acronycta 197 



Actinophrys 13, 23, 116 



Actinosphferium 166 



Adapis 116 



Aeolosoma 75 



^sciilus 107 



Agelaieus 97 



Aglaja 55 



Agrotis 202 



Ahfetulla 65 



Ailanthns 160 



Ambrosia 215 



Ami va 68 



Amoeba . .13, 14, 75, 77, 87, 142, 



167, 168 



Amphibulima 42, 62 



Auaptomorphus 116 



Ancbitberium 116 



Anisorliyucus 28 



Anodonta 25,29 



Anolis 67 



Antbinus 58 



Antbracotherium 116 



Autilocapra 149 



Antrostomus 105 



Apamea 205 



Apis 103 



Arcella 13, 14, 75 



Ariolimax 33, 59, 63 



Ariou 35 



Arionta 55 



Arvicola 187 



Aspleniuni 155 



Ateles 94 



Atelopiis 130 



Aucbenia 18 



Azara 25 



Baculites 224 



Balfena 89 



Bascanion 97 



Batbybius 14 



Boa 65 



Bonis 58 



Bos 18 



Botbrops 67 



Bradypns 95 



Bromus 153, 163 



Brontotberium 165 



Bubonias 124 



Biifo 68, 120 



Bulimulus 53, 58, 61, 62 



Bunocepbalus 132 



Callicbthys 135 



Calocampa 210 



Camptosorns 155 



Canis 18, 147 



Caracolus 58 



Caradina 200 



Carmelita 58 



Carpiuiis 80 



Catbaria 79, 156 



Catbartes 151 



Centrotehna 121 



Cbffitogaster 75 



Cbamseleopsis 68 



Cbeirotberium 75 



Cbelotriton 71 



Cbemuitziana 58 



Cbilotus 190 



Cionodon 12 



Cirrobasis 31 



Clatbrulina 145, 166 



Clcome 154 



Coccyzus 108 



Cocblostyla 59, 62 



Colaptes 104, 109 



Colostetbus 131 



Corvns 101 



Corycia 78, 227 



Coiyda 55 



Corydoras 135 



