INDEX TO NIAGARA FALLS AND VICINITY 



279 



Fucoids, 130 2 . 



Fuller, Margaret, quoted, 10". 



Gastropoda, 10 s , 67 s , 6S 3 , 74°, 101 5 , 

 2io 2 -i3 T , 239 5 -45 s . 



Gebhard, John, cited, 254 s . 



Geer, Gerard de, cited, 254°. 



Genesee river, preglacial, 46 7 -47 G . 



Geodiferous limestones, I07 3 -I3°. 



Geologic map, 22 1 . 



Geologic nomenclature, I7 7 -2I. 



Georgian bay, valley, 52 4 -53 7 . 



Gibbes, L. R., cited, 255V 



Gilbert, G. K., cited, 255 2 , 23°, 50°, 

 56°, 57°, 65", 72 s , 73 , 94 5 ; mentioned, 

 6 7 , 18 7 ; identified with geologic 

 studies at Niagara, 22°; map of 

 Great lakes, 61, 62. 



Glacial erosion, influence on topog- 

 raphy, so 4 . 



Glacial lakes, 58". 



Glacial period, 5S 2 -57 5 - 



Glossary, 263-75. 



Glyptocrinus plumosus, 157 3 . 



Goat island, cr, io s -i2 ,; , 80 7 ; name, 

 io 3 ; shell-bearing gravels, 11 s , 67*, 

 238 s ; future of, 8i 9 -82 4 ; illus. fac- 

 ing p. 80. 



Gomphoceras, 2i6 8 -i7°. 

 sp., 217 1 . 



Goniobasis, 68 3 , 23C/-40' 1 . 

 haldemani, 240 s . 

 livescens, 239 s -40 3 . 



var. niagarensis, 240 4 . 



Gordon, C. H., cited, 255 T . 



Gorge of Niagara, 6g s -7i a ; age, 82°- 

 85°; St Davids, 27°, 5i 4 -52 4 , 77 4 -8o 1 ; 

 upper, 8o 3 -82 4 ; illus. facing p. 80; 

 of whirlpool rapids, 76 4 -8o 3 , 85 1 ; 

 below the falls: I4 1 -i6 5 ; product 

 of river erosion, 66 s ; cutting by 

 the cataract, 68 T . 



Grabau, A. W., cited, 255 s . 



Grant, C. C, cited, 255 s . 



Gray quartzose sandstone, 88 3 -8g 2 . 



Great lakes, maps, 61, 62. 



Great lakes and Niagara, biblio- 

 graphy, 253-62. 



Grote, A. R., cited, 255". 



Guelph dolomite, 114 1 . 



Gunning, W. D., cited, 255°. 

 Gypsum, deposition of, 128 3 . 



Hall, Basil, quoted, io 3 . 

 Hall, James, surveys instituted by, 

 &; mentioned, 18 7 ; cited, 256 1 , 96' 1 . 

 Hallett, P., cited, 256". 

 Halysites, 125 5 , i43 4 -44 3 . 

 catenulatus, i43 7 -44 3 . 

 Hamilton shale, 30 5 . 

 Helepora fragilis, 90 9 . 

 Heliolites, 125 3 , I44 3 -46 G . 

 elegans, 145 1 . 

 pyriformis, 146 1 . 

 spiniporus, 145 3 . 

 Helopora, 172^-7^. 



fragilis, 173 1 . 

 Hennepin, Father Louis, first to 

 leave description of falls, 7 s ; 

 quoted, 7 5 -8\ 

 Hermit's cascade, 12 1 . 

 Hight of falls, 22 s . 

 Hitchcock, C. H, cited, 256°, 84'; 



mentioned, 18 7 . 

 Holley, G. W., cited, 256 7 . 

 Homalonotus, 22i n -22 s . 



delphinocephalus, 105 5 , 22i s -22 s . 

 Homoeospira, 200°. 



apriniformis, 200 7 . 

 Horseshoe falls, vivid green of 

 water, 13 1 ; sectional view, 69; 

 crest lines, 81 ; rate of recession, 

 83 s ; illus. facing p. 80. 

 Hovey, H. C, cited, 256 7 . 

 Huron lowland, 53 7 -54 9 . 

 Hyatt, Alpheus, cited, 256 s . 

 Hyattella, 204 8 -5 4 . 



congesta, 204°-5 4 . 

 Hydraulic cement, manufacture of, 



115 9 . 

 Hydraulic cement beds, 106 1 . 

 Hydrozoa, i33 1 -35 5 - 



Ichthyocrinus, 159 1 . 



laevis, 159 4 . 

 Illaenus, 222 s -23 c . 



ioxus, ioo 2 , ioi G , 102 5 , 2231 2 . 

 Illinois river, outlet of Lake Michi- 

 gan, 65 7 . 

 Irondequoit bay, 47 2 . 

 Iroquois lake, 60 2 , 62 1 , 62 s ; map, 63. 



