498 



INDEX. 



Eustic Geyser, 298, 299 

 Group, 290, 298 

 Saw-Mill Geyser, 210, 218 

 Salt Lake City, springs near, 320 

 San Andres, Mexico, 327 

 San Felipe, 323 

 Sand Spring, 293 

 Sandwicla Islands, thermal springs of, 351, 



352 

 Saxo Grammaticus, 306 

 Schonbom, A,, 91 

 Seguin, A.,208, 229, 237 

 Sepulchre Mountain, 15 

 Sentinel Creek, 172, 175 

 Geyser, 189 

 Group, 175 

 Seven Hills, 91 



Sherman, General, 99, 192, 224, 229 

 Shield Geyser, 263 

 Shoshone Creek, 250, 271, 280 



temperatures in, 250 

 Shoshone Geyser Basin, 249, 409 



boiling point in, 



260 

 geysers of, 288 

 Shoshone Lake, 113, 249 

 Siberian Springs, 356 

 Silica in thermal waters, 394 

 volcanic rocks, 396 

 water of Old Faithful, 391 

 Silica, source of, in thermal waters, 395 

 Siliceous deposits, 118 



sinter, 320, 333, 337, 341, 342, 363, 



349, 406 

 springs, 366 

 waters, 390 

 Smith, J. Lawrence, 340 

 Smith, Eobert McKay, 309 

 Snake Canon Springs, 301 

 River, 136, 475 

 Eiver Springs, 300 

 Soap Kettle, 266, 267 

 Soda Butte, 85 



Creek, 48, 51 

 Soda Geyser, 188 



Geyser Group, 188 

 Solid constituents of thermal waters, 395 

 Solitary Geyser, 249 

 Soufri^re of St. Lucia, 328 



Grand, of Dominica, 328 

 Petite, of Dominica, 329 

 Source of heat in thermal springs, 380 

 silica in thermal waters, 396 

 water in springs, 356 

 South Group, 280 

 Spasm Geyser, 148, 153 

 Spasmodic Geyser, 210, 219 

 Spike Geyser, 291, 292, 299 

 Spray Geyser, 200, 201 

 Spring, Back, 148, 154 



Beautiful Blue, 204, 208 

 Beauty, 161, 164, 166 

 Black, 166 

 Black Boiler, 253 

 Black Pool, 277, 279 

 Black Sand, 245, 246, 372, 413 

 Blue Glass, 281, 282 

 Boiling Caldron, 275 

 Brown Sponge, 283,286,373 

 Cauliflower, 188 



Spring, Cave, 74 



Cavern, 168, 170 



Cleopatra, 73, 75, 375, 388, 399 



Cliff, 144, 146 



Columbia, 299, 373 



Conch, 167, 170 



Coral, 281 



Cradle Mud-, 130 



Cream, 276, 278 



Crown, 169, 171 



Devil's Inkstand, 321 



Dishpan, 204 



Double Bulger, 129 



Emerald, 125,244,245,246 



Fissure, 283 



Fissure Cone, 169 



Flake, 281, 282 



Flat Cone, 176, 403 



Frill, 284, 287 



Frengord, 144, 145 



Glen, 283, 285 



Gourd, 144, 146 



Grand Prismatic, 179,180,373 



Great Crater, 276, 278 



Great Hot Basin, 244, 245, 246 



Great Spouter, 245 



Green, 245, 246 



Grotto, 171 



Hissing, 293 



Horn, 168, 170 



Impenetrable, 251,252,254 



Indigo, 179, 183 



Iron Pot, 178 



Island Cones, 171 



Jug, 144, 146, 375, 391, 393 



Kidney, 144, 146 



Lavender, 260 



Leather, 253 



Little Joker, 73,76 



Locomotive, 115, 126, 175 



Lone, 144, 145 



Marble Cliff, 251, 252, 254 



Moss Basin, 276, 279 



Moss Crater, 252 



Mound, 176, 177 



Mound Cone, 169 



Oak Leaf, 144, 146 



Old Cone, 148 



Opal, 125, 127, 376, 392, 393 



Pear, 199 



Pearl, 284, 287 



Pebble, 180, 184 



Perpetual Spouter, 190 



Prometheus, 299 



Puffing, 393, 295, 299 



Eed,275 



Eed Terrace, 176, 178 



Eiver Cone, 169 



Eosette, 264 



Eound, 144, 147, 199 



Sand, 293 



Soap Kettle, 266, 267 



Steamboat, 115, 320, 325, 385 



Steep Cone, 176, 177, 403 



Stirrup, 144, 145 



Taurus, 251. 252, 254 



Terrace, 164 



Three Crater, 240, 242, 281, 282 



Thud, 144, 145 



Turbid Blue Mud, 94 



