INDEX 



A Page 

 Academy of Natural Sci- 

 ences, Philadelphia 23, 24, 136 



Aceratheres 94, 96 



Aceratherium ....149, 152, 153 



Aciprion 160 



Adams, Geo. 1 85, 165 



Adelia (Neb.) 38, 40 



Aelurocyon 46, 155 



Aelurodon 158 



Agate Springs 27 



28, 29, 47, 98, 136 



Agriochoeridae ...150, 153, 154 



Agriochoerus 124 



136, 153 154 



Agriomeryx 154 



Aletomeryx 159 



Allops Ill, 150 



Alluvial fans 54 



American Fur Company ... 23 



American Journal Science, 23, 110 

 American Museum Natural 



History 8 



25, 26, 27, 42, 45, 85, 89 



94, 98, 103, 110, 113, 114 



117, 135, 142 



Amherst College 25, 28 



Amherst Hill 29 



Amynodontidae 91 



92, 94, 152 

 Analyses 



Fossils 63, 64 



Fullers Earth 62 



Anatidae 160 



Anchitherium 149 



Ancodon 150 



152, 154, 157 



Ancodus 123 



Anisacodon 150 



Antelopes 74 



Anthracotheridae 122 



123, 150, 152, 154 157 



Anthracotherium 123 



152, 154 



Aphelops 158 



Archaeotherium 63 



Arctoryctes 46, 155 



Argyle 61 



Arikaree 32 



36, 40, 42, 43, 45, 46 



Artiodactyla 76, 90 



118, 150, 152, 154, 157, 159 



♦The plates are not indexed. 



B Page 



Badlands, Meaning of 19 



Bad river 53 



Barbour, E. H 27, 44, 57 



59, 60, 97, 131, 165, 167, 168 



Bassler, R. S 171 



Bear creek 52, 54 



Bear in the Ledge creek. . . 53 



Beavers 22 



Bibliography ..8, 149, 173, 174 



Big Badlands 20, 36 



38, 39, 40, 41, 42, 45, 53, 59 



64, 89, 91, 94, 100, 117, 129 



135, 143, 147, 149 



Big Corral draw 52 



Big Foot pass 53 



Big Foot wall 53 



Birds (present day) 145 



Birds eggs (fossil) ...139, 140 



143, 160 



Bird's Eye view 37 



Black Hills 20, 21 



38, 47, 49, 50, 51, 52„ 62 



94, 140, 149 



Blastomeryx 46, 138 



139, 158, 159 



Bone phosphate 63 



Borocyon 155 



Bothrodon 123, 157 



Brachypsalis 155 



Brontops 111, 117, 149, 150 



Brontotheridae 149 



Brontotherium. .11, 64, 116, 150 



Bruce 163 



Brule formation 32, 36 



39, 40, 43, 46 



Buffalo creek 53 



Building stone 61 



Bull creek 52, 54 



C 



Caenopus.. 95, 96, 149, 152, 153 



Caimanoides 143, 160 



Cain creek 53 



Calops 154 



Camelidae 132-137 



153, 154, 157, 159 



Camels 22, 71, 132-137 



Canidae 77, 78-82 



149, 151, 153, 155, 158 



Carnegie Hill 29 



Carnegie Museum 25, 27 



71, 89, 98, 117, 141 



