INDEX. 



Range of F. 2, 



F. 3, a, . . . 

 Carboniferous Limestone, 

 Limestone of Cedar Valley, 



Raven Cliff, .... 



Rattlesnakes, 



Red clay and drift of Wisconsin 

 clay and marl lands, 

 Cedar River, . 



clays and alluvium of west 



end of Lake Superior, 

 clays and marl, 



Fork 



River of the North, 



17, 18, ! 



Lake, 



Rock, . 



Roek Bluff, 



trap, 

 Redwood River, 

 Report of J. G. Norwood 

 Rhinoceros, . 



Nebrascensis 



occidentalis, 

 Rice Lake, . 

 Richland City, 

 Ripple-marks, 

 Riviere Frangais, 

 Rockingham, 

 Rum River, . 

 Rush River, . 



15S 



18, 



18, 

 25, 47, 



2: is 



41, 

 348, 



Wis- 



Sage Creek, . 

 Salt Springs, 

 Sandy Lake, . 

 Sandstone of St. Peter 



outlier, . 

 Sand-fly, 



Saraccnia purpurea, 

 Sauk Prairie, 

 Saukville, 

 Scaphites, 



comprimus, 



nodosus, 

 Sedimentary rocks. 

 Section Carboniferous Lime 



of C. Whittlesey. 



F. 1, . . 



on Mississippi, 



on Passabika River, 



on St. Louis River, 

 Sedimentary rock of East 



consin, 

 Selenoides, . 



Iowensis, 

 Septaria, 



Shaly amygdaloid. 

 Shell limestone, F. 3, a, 

 Shell Rock River, 

 Shipments of lead, 

 Shutnard, B.F. 23, 48, 57, 58 

 Shumard's Report, 

 Slaughter Section and coal, 

 Slates of St. Louis River, 

 Slope of F. 2, 



Slate 410 



Skunk River, 

 Smilhhurst, . 

 Snake River, 

 Soap Creek, . 

 Soil of Bad River Country, 



of F. 1, . 



of interior. 



of Upper Mississippi Country, 



46. 



199, 

 , 159, 



G8 

 76' 

 98 

 80 



115 

 57 



462 

 33 

 18 



302 

 268 

 176 



173 

 326 

 497 

 117 

 430 

 492 

 213 

 552 

 556 

 552 

 324 

 513 

 305 

 349 

 508 

 330 

 528 



60, 69 



111 



195 

 111 



, 299 

 69 

 70 

 22 

 159 

 , 48 

 514 

 579 

 580 

 581 

 429 

 92 

 441 

 50 



166 

 349 

 307 



452 

 586 

 587 

 21 

 391 

 71 

 18 

 61 

 ,110 

 481 

 108 

 308 

 67 

 , 414 

 18 

 30 

 , 523 

 ,113 

 435 

 56 

 148 

 299 



Soil on Red Lake, . . . 327 

 of Red Rock, . . .497 

 of sand region, ... 31 

 Sources of Mississippi, . . . 327 

 South Bend Red River, . 174, 175 

 Spirifer Cedarensis, . . . 586 

 euruteines, 



79, 82, 85, 87, 88, 508, 586 



glabra, 507 



inequicostatis, . . . 586 

 Iowensis, .... 585 



ligus, 585 



pennatus, .... 585 

 striatus, . . . 102, 106, 114 



Stillwater 49 



Straparollus Minnesotensis, . . 581 

 Streptoplasma, .... 502 

 Stroinatopora conccntrica, . . S6 

 Strophodonta, .... 584 



parva 585 



Iowensis, .... 585 



Stylina 96 



St. Croix Country, . . . 276 



Lake 161 



River, . . .18, 46, 47, 161 

 St. Louis River, . . 25, 270, 307 

 conglomerate, . . . 307 

 limestone, . . 112, 139, 140 



St. Joseph's, 135 



St. Paul's, 46 



St. Peter's River, . . .48 

 sandstone, . . . .165 

 Subulites elongata. . . . 504 

 Succinea campestris ?, . . 132, 135 

 Sugar Creek coal, . . .113 

 Sullivant, William S. . . .38 



Syenite, 415 



Syenitic granite, .... 331 

 Synbathocrinus dentatus, . . 597 

 Systems of valleys and ridges, . 334 



Trap ranges, 

 soils, 



. 112 



. 32, 149 



tuff', . 



. 431 



Traverse des Sioux, 



. 484, 490 



Triasic system, 



. is 



Trilobites, 



. 49 



in F. 2, . 



60 



Trilobite grits, 



. 500, 501 



Trocholites ammonius, 



. 497, 504 



Trout Lake, . 



. 281 



Turkey River, 



18,47 



Tutenmergel, . 112, 



116, 123, 127 



Two Island River, 



. 372 



Tyler's Fork, 



433, 445, 496 



Tables of equivalency of strata, . 

 of distribution of species, 624- 

 of elevations, .... 

 of carboniferous limestones, . 



Tabular view of the strata of the 

 Northwest, . 



Talley's Ford, 



Talus of slate, 



Tavern Rock, 



Temperature of Fort Garry, 



Terraces, .... 332, 



Terebratula conccntrica, 



modesta, . . . 495, 496, 



reticularis, . . .79, 82 

 Tertiary deposits, 



system, . 

 Terra incognita, . 

 Testudo, 



Culbertsonii, . 



hemispherica, 



lata, 



Nebrascensis, 



Oweni, . 

 Thcrmometrical observation 

 Three Rivers, 

 Timber, .... 435, 



in Iowa 

 Torrey, Dr.. 

 Trachyte, 

 Trap, 353, 354, 355, 381, 400, 403, 



Dalles, St. Croix, . . 142, 



dyke 



overflow, . . . 391 



C34 

 ■633 

 220 

 93 



455 

 115 

 414 

 139 

 181 

 491 

 79 

 504 

 , 88 

 197 

 18 

 26 

 566 

 569 

 570 

 572 

 567 

 568 

 468 

 18 

 436 

 35 

 38 

 286 

 411 

 164 

 286 

 411 



Undine region, 



Unios, . . . . 



Upper Embarras River, 



Fort Garry, . 



Iowa River, . 



.217 

 162, 177, 488 

 . 311 

 . 30 

 18 



Mississippi above Crow Wing, 296 

 Wisconsin, .... 283 



Vaccinium tenellum, ... 37 

 Valvata triearinata, . . . 489 



Valleys, 217 



Variation of needle, . . . 146 

 Vermilion Lake, .... 314 

 Veins argillaceous iron ore, . . 366 

 Vieux Desert Lake, . . .282 

 Venomous insects, 

 Vermilion Rapids, 

 River, 



Voyage urs, their strength 

 Volcanic grits, 



358, 367 373, 375,, 384, 390 



155, 156 

 IS, 47, 313 

 . 29 



Waraju, 

 Water-sheds, 

 Wapsipinicon, 

 Waraju Creek, 

 Wayne City, 

 Waukeshaw limestone, 

 Wazi-oju Creek, . 

 Wellington coal, . 

 Wensley Dale, 

 West Savannah River, 

 Weston, 

 Wild rice, 



Winnebago Reserve, 

 Winter-green, 

 Winnesheik's Village, 

 Winnipeg, 

 Wisacode River, . 

 Wisconsin iron ore, 



Dalles, . 



River, 

 Windfall, 

 Whitebreast coal, 

 White Earth Bluff, 



Earth Section, 



Elk Lake, . 



Rock Bluff, . 

 Whittlesey, C, observations 



Whittlesey's Report, . 



Rapids, . 

 Whortleberry, 

 Wooded slope, 



Zizania aquatiea, 



21£ 



491 

 218 

 . 47 

 . 18 

 . 137 

 . 449 

 18, 47 

 . 137 

 . 94 

 18, 330 

 . 136 

 . 37 

 . 17 

 . 37 

 44, 502 

 29 



389, 394 

 . 451 

 . 517 

 18, 47, 510 

 . 302 

 . 117 

 485, 490 

 485, 490 

 . 282 

 . 483 



of, 



160, 167 

 425 

 289 

 37 

 417 



172 



THE END. 



