296 FLORIDA GEOLOGICAL SURVEY-I3TH ANNUAL REPORT Hillsborough County, 81, 95, 97, 130, Immigrants, immigration (io8, 117, 127, 132, 134, 135, 156, 236, 255-257, 266, 149-150), 236-239, 248, 259 278, 281 (See also Plant City, Port Impoverishment of soil, 258 Tampa, Tampa, West Tampa, Ybor Income from tourists, 244 City) Indiana, tourists from, 244 Hillsborough River, '69 Indian River, 137, 143, 144, 149, 165, Hodge, C. F., work of, 232 203, 205, 206, 231 Hogs, 102, 103, NO, 117, 153, 222, 258- Indians, 165, (235), 288 273, 285 Indigo, 151 Holly, ioo, io6, 115, 222 Infusorial earth, 119 (See also DiaHolly Hill (Volusia Co.), 150 toms) Homosassa, 89, 91, 163, 206; River, 89, Inglis (Levy Co.), 282, 283 168 Insects, 224, 230-232, 288 Honey, 94, 110, 127, 149, 153, 207, 212, Intensive farming, 150, 151, 266, (267), 222, 278-280 273 Honeysuckle, 116 Inverness, 195 Hoosier Spring, 168 Iowa, 244, 253, 286, 288 Hopkins, 0. B., work of, 16-17 'Ipoinoea Pes-Caprae, 86 Horses, 222, 226, 273; fossil, 157 Iris versicolor, 91, 139 Horse-wicky (See Hurrah bush) Irishmen, io8, 127, 150, 235, 236, 239 Hotels, 81, 150, 241-244 Irish potatoes, 102, 103, 110, 118, 129, Houstonia rotundifolia, 106, n16 135, 136, 143, 153, 276, 277 Huckleberry, 90, 94, ioo, 116, 125, 133, Iron, iron ore, 158, 176, 180, 217 139, 148, 222 Iron Mountain (Polk Co.), (81), 119, Human society analogous to vegetation, 120, 161 198 Ironwood, go, i06, 115, 125, 133, 190 Humus, 147, 165, 172-175, 177, 179, 214 Irrigation, 176 Hurrah bush, 90, 94, 125, 133, 139, 148 Islands, 84, 99, 143 Hurricanes, 197 Italians, 101, 108, 150, 236, 239 Hyacinth, water, 91, 100, 125, 199 Itea, go Hydraulic mining, 157 Iva, 148 Hydro-electric power, 88, 169 Ivy, poison, go, ioo, io6, 115, 125, 133, Hypericum fasciculatum, 90, 94, 100, 139, 148 125, 126, 133, 139, 141 J Jack pine, 209, 211 Ice factories, 221, 281 Jackson County, 30, (161) Ichthyologists, 223, (231) Japan, Japanese, 129, 232 Ilex Cassine, 125, 138, 141; glabra, 90, Japanese persimmons, 153 94, 100, 116, (123), 125, 133, 139; Jaybird, 228 opaca, 100, io6, 115, (214) ; vomi- Jessamine, yellow, go, 100, io6, 115, 133 toria, 86, io6 Jews, io8 Illinois, tourists from, 244 Jones, E. Z., 223 Illiteracy (91), 1o8, 116, 127, 134, 150- Juncus Roemerianus, 86, 91, 133, 140, 151, 239, 245-248, 252, 267, 272, 274 148, 179 Ilmenite, 27 Junipe;us, 86, go, 133, 140, 148, 219