INDEX TO NIAGARA FALLS AND VICINITY 



279 



Fucoids, 130-. 



Fuller, Margaret, quoted. 10". 



Gastropoda, 10', 6f, 68', 74', loi', 

 210'- 13', 23g'-45l 



Gebhard, John, cited, 254^ 



Geer, Gerard de, cited, 254". 



Genesee river, preglacial, 46'-47''. 



Geodiferous limestones, I07''-I3'''. 



Geologic map, 22^. 



Geologic nomenclature, i7'-2i. 



Georgian bay, valley, 52'-53". 



Gibbes, L. R., cited, 255\ 



Gilbert, G. K., cited, 255', 23', 50", 

 56", 57', 65-, 72', 7z\ 94'; mentioned, 

 6", 18'; identified with geologic 

 studies at Niagara, 22"; map of 

 Great lakes, 61, 62. 



Glacial erosion, influence on topog- 

 raphy, 50'. 



Glacial lakes, 58'. 



Glacial period, SS'-57°. 



Glossary, 262)-yS- 



Glyptocrinus plumosus, IS7^ 



Goat island, 9', io*-i2'', 80'; name, 

 10^; shell-bearing gravels, 11*, 67^ 

 238^; future of, 8i"-82^; illus. fac- 

 ing p. 80, 



Gomphoceras, 216^^-17^ 

 sp., 217'. 



Goniobasis, 68", 239^-40". 

 haldemani, 240^ 

 livescens, 239^-401 



var. niagarensis, 240*. 



Gordon, C. H., cited, 255'. 



Gorge of Niagara, 69^-71"; age, 82"- 

 85^ St Davids, 2f, 5i'-52\ 77'-8o^ 

 upper, 80^-82*; illus. facing p. 80; 

 of whirlpool rapids, 76^-80^ 85^; 

 below the falls: 14^-16'; product 

 of river erosion, 66^; cutting by 

 the cataract, 68'. 



Grabau, A. W., cited, 255'. 



Grant, C. C., cited, 255^ 



Gray quartzose sandstone, 88"-89'". 



Great lakes, maps, 61, 62. 



Great lakes and Niagara, biblio- 

 graphy, 253-62. 



Grote, A. R., cited, 255^ 



Guelph dolomite, ii4\ 



Gunning, W. D., cited, 255". 

 Gypsum, deposition of, 128". 



Hall, Basil, quoted, lo". 

 Hall, James, surveys instituted by, 

 6'; mentioned, 18'; cited, 256', 96'. 

 Hallett, P., cited, 256''. 

 Halysites, 125', i43'-44'- 

 eaten ulatus, i43'-44"\ 

 Hamilton shale, 30''. 

 Helepora fragilis, 90". 

 Heliolites, 125"', 144^-46". 

 elegans, i45\ 

 pyriformis, 146". 

 spiniporus, 145^ 

 Helopora, I72'*-73l^ 



fragilis, 173'. 

 Hennepin, Father Louis, first to 

 leave description of falls, 7''; 

 quoted, 7''-8\ 

 Hermit's cascade, I2\ 

 Hight of falls, 22'. 

 Hitchcock, C. H., cited, 256", 84'; 



mentioned, i8\ 

 Holley, G. W., cited, 256". 

 Homalonotus, 22i'''-22". 



delphinocephalus, 105", 221^-22^. 

 Homoeospira, 2od\ 



apriniformis, 200'. 

 Horseshoe falls, vivid green of 

 water, 13^; sectional view, 69; 

 crest lines, 81 ; rate of recession, 

 83^^; illus. facing p. 80. 

 Hovey, H. C., cited, 256'. 

 Huron lowland, 53^-54^ 

 Hyatt, Alpheus, cited, 256\ 

 Hyattella, 204^-5^ 



congesta, 204^-5*. 

 Hydraulic cement, manufacture of, 



115". 

 Hydraulic cement beds, io6\ 

 Hydrozoa, i33'-35'- 



Ichthyocrinus, 159^ 



laevis, 159^ 

 Illaenus, 222^-23*^. 



ioxus, 100', loi", 102", 223". 

 Illinois river, outlet of Lake Michi- 

 gan, 65'. 

 Irondequoit bay, 47". 

 Iroquois lake, 60", 62\ 62^; map, 62>. 



