INDEX. 



A Page 



Academy of Natural Sciences, 



Philadelphia 115 



Aceratheres 9 



Aceratherium 91 



Aciprion 121, 13 4 



Adams, Geo. 1 83, 138 



Adelia 3 4, 3 6, 3 7 



Aelurocyon 84, 130 



Aelurodon 80, 132, 133 



Agate Springs... 20, 43, 81, 117 

 Agriochoeridae 125, 128, 129, 132 



Agrioehoerus 108 



109, 110, 128, 129 



AIlops 99, 100, 124, 125 



Alluvial fans 58, 64 



American Pur Company. ... 16 



American Museum of Nat- 



tural History 19, 39, 42, 81 



85, 87, 89, 95, 98, 103, 115, 121 



Amherst College ....20, 85, 122 



"Amphicyon" 80, 130 



Amynodontidae .... 89, 91, 127 



Amynodonts 89, 90 



Analyses 



Fossils 67 



Fullers Earth 65, 66 



Anchitherium 96 



Amcodon 1-0-7, 125, 128, 129, 132 



Antelope 73 



Anthracotheriidae 106 



125, 128, 129, 132 



Anthracotherium 106 



107, 128, 129 



Aphelops 91, 133 



Arctoryctes 85, 130 



Argyle 21, 65, 66 



Ari'karee , 2 6 



30, 40, 41, 42, 45, 46, 58 



Artiodactyla 75 



125, 127, 129, 131, 133 



B 



Badland, Meaning of . . . . 11, 12 



Badland creek 121 



Bad river 61, 62 



Barbour, E. H. 20, 41, 45, 46, 51 

 52, 91, 113, 114, 139, 140, 141 



Bauer, George 121 



Bear creek 62, 63 



Bear-in-the-ledge creek 62 



Page 



iBeair Lodge Mountains 21 



31, 32 



Beavers 15, 86, 87, 88 



Beddard, F. E 73 



Belle Fourche river 61 



Beulah 21 



Bibliography , .... 135-144 



Big Badlands 12, 13, 16, 17, 21 



29. 31, 32, 34, 35, 36, 37, 38 



3i9, 4:0, 42, 50, 55, 62, 63, 67 



83, 85, 87, 88, 89, 92, 93, 103 



112, 115, 124 



Big Corral draw 62 



Big Foot pass 63 



Big Foot wall 62 



Birds- eggs 122, 134 



Biirdis eye view 34 



Black Hills 17, 19, 21, 27, 33, 34 

 36, 53, 55, 58, 59, 60-, 65, 89 



Black postoffibce .. .,,. .i 49 



Blatftomeryx 118, 119, 132, 133 



Bone phosphate 66 



Bothrodon 132 



Bra>c!hy cephalic . . . 99 



Birachypsalis 84, 130 



■BTontcps 102, 12 4 



Brontotheriidae ....... 99, 124 



Brontotherium 9 9 



100, 102, 103, 125 



Bruce, A. T 13 7 



Brule formation 2 6 



34, 38, 40, 57 



Buffalo creek 62 



Buffalo 'Gap 21, 59 



Building stone . 65 



Bull creek . ., 62, 63 



Burrowis 52 



C 



Caenopus 91, 9 0, 12 4, 127, 129 



Cain creek 62 



■Galops 114, 130 



Camel 15, 16, 69, 114 



Camelidae 114-117 



128, 130, 132, 133 



Camelus . . 114 



Canidae 78-81 



124, 126, 1128, 13-0, 132 



Carnegie Museum 20 



30, 31, 81, 87, 10*3, 121, 122 



