INDEX. 



126 



Page. 



Erethizon 87,88,90 



dorsatiis 90 



Erinaceidse 52,105,110 



Erosion, retardation of 21 



Eschatius 86 



Esthonyx 38,45,46,101 



acer 94 



acutidens 94 



bisulcatus 94 



burmeisteri 94 



spatularius 94 



Eucastor 118 



tortus..- 116 



E uceratherium 89 



Eucrotaphus. See Eporeodon. 



jacksoni 109 



Euhapsis 75,118 



brachyceps 112 



gaulodon 112 



platyceps 73 



Eumys 110 



elegans 105 



Euprotogonia 40,102 



Eurasiatic- American correlation, problem of. 29-30 

 European- American faunas, correlation of. . . 59 



Euryacodon 100 



lepidus 95 



Eusmilus 110 



dakotensis 107 



Eutypomys 110 



thomsoni 105 



sp 103 



Evanston formation, section of, figure show- 

 ing 39 



F. 



Fauna localities, location of, map showing 7 



Felidae 60.61,63,66,68,77,80,83,85,89, 



90, 103, 105, 107, 110, 112, 114, 116, 118, 120 



Felinae 64,77,81,90 



Felis 80,83,85,89,90 



canadensis 89 



concolor 89 



hillianus 83,120 



Fiber 85,90 



Ficus 78 



Field work, character of 19 



Filhol, H., papers by 10 



Fissipedia 33 , 99 , 103 , 105 , 1C6-107-110 



Flint Creek, Mont., fauna of 114-115 



Flood-plain theory, history of 26-28 



Florida, formations in, homotaxis of, figure 



showing 65 



Formation, definition of 7-8 



Formation names, form of 8 



Formations, mountains and plains, homo- 

 taxis of 22 



Fort Logan, Mont., favma near 112-114 



Fort Niobrara, Xebr., fauna near 115-118 



Fort Union, Mont., section at, figure showing. 23 



Fort Union formation, fauna of 91-92 



homotaxis of, figure showing 23 i 



Fowkes formation, homotaxis of, figure show- 

 ing 39 I 



Furlong, E. L., jmpers by 17 | 



G Page. 



Geolabis rhynchgeus 105 



Geological Survey, rulings of, on formation 



names g 



Geomyidae 61, 



66, 68, 75, 99, 101, 107, 110, 112, 114, 116, 119 



Geomys 85,90,119 



bisulcatus 116 



sp 114 



Gering formation, homotaxis and fauna of . . . 73 



homotaxis of, figure showing 72 



Gidley, J. W., paper by 14,21 



Gidley, J. W. , and Matthew, \V . D. , paper by . 15 



Gilbert, G. K., papers by lo, 14 



Gilbert, G. K., and Hall, J., paper by 17 



Glacial epoch, homotaxis and fauna of 86-90 



Glyptodontia 82,83,86 



Glyptodontidae 120 



Glyptosaurus 47,49 



Glyptotherium 83 



texanum 120 



Glyptotherium zone, fauna of 82-83,120 



homotaxis of 82 



figure showing 23, 65, 82 



Gomphotherium. See Trilophodon. 



Goniacodon loi 



levisianus 91 



Gravigrada 78,82,86,87 



Great Plains, dry-land conditions in 57-58 



Green River formation, homotaxis of, figure 



showing 39 



Gymnoptychus 110 



minimus 104 



minutus 104,105 



trilophus 105 



H. 



Hall, J., and Gilbert, G. K., paper by 17 



Hapalodectes 45,101 



leptognathus 93 



sp 93 



Haploceras 87,89 



Haploconus 102 



corniculatus 92 



lineatus 92 



Haplodontidse 64,66,68 



Harpagolestes 101 



macrocephalus : 96 



uintensis 98 



sp. 98 



Harris, G. P., and Dall, W. H., paper by 13 



Harrison, Nebr., fauna near 112-114 



Harrison formation, homotaxis and fauna of. 73-74 



homotaxis of, figure showing 72 



Hatcher, J. B., papers by 14, 17, 19 



Haworth, E ., paper by 15 



Haworth, E., and Beede, J. W., paper by. . . 17 



Hay. O. P., on Great Plains 57-58 



paper by 11 



Hay, R., paper by 15 



Hayden, F. V., on Washakie basin 53 



on Wind River formation 44-45,47 



papers by 11 



Helaletes 99,102 



boops 98 



