INDEX. 213 



Page. 



Flaming Gorge Group, typo localities 51 



Flexure, Maximum jg 



Flotation Ig^ 



Fossils, Catalogue of gy 



, Cretaceous, from beyond the limits of the Plateau Province 101 



, Descriptions of new species of . ... . 107 



of the Bitter Creek Group 102 



Bridger Group 105 



Brown's Park Group 106 



Carboniferous Period 38 



Cretaceous Period 94 



Flaming Gorge Group 93 



Henry's Fork Group 94 



Jurassic Period 93 



Lower Aubrey Group gg 



Lower Green Eiver Group 104 



Point of Rocks Group 99 



Red Wall Group gg 



Salt Wells Group 97 



Sulphur Creek Group 95 



Tertiary Period , 102 



Upper Green River Group 104 



Upper Aubrey Group 91 



, Tertiary, from beyond the limits of the Plateau Province 106 



General observations on the collections 75 



of Carboniferous Age 79 



Cenozoic Age 84 



Cretaceous Period 81 



Devonian Age 79 



Jurassic Period 81 



Lower Silurian Age 79 



Mesozoic Age 80 



Tertiary Period 84 



Triassic Period 80 



Upper Silurian Age 79 



Geology of the Uiuta Mountains 13 J 



Gilbert, Mr. G. K., on age of Touto Group 56 



displacements 180 



diverse displacements 16 



Henry Mountains 20 



structure of Basin Ranges 23 



Goniobasis Cleburni 122 



Grand Canon Group, relations 70 



, type localities '. 61 



Schists 62 



llayden, Dr. F. V 65,67 



Helix Kauabeusis 120 



peripheria 130 



riparia 130 



Henry Mountain Structure 20 



Henry's Fork Group, Distribution of 153 



, Fossils of 94 



, relations , 68 



, Section of 68, 157 



, type localities 50 



