424 



Index. 



Btomatopora 226 



Straparollus 242 



k^trehlotrypa 226 



Streptacis 242 



Streptelasma 2;:>;], 341, 343 



Streptorhynchus 233, 341, 343 



suhsulcatum 335 



Striatopora 210 



StricMandinia 233 



Strohelocpstites 218 



Stromatopora 208 



Stromhodes 210 



Strophodonta 233, 234 



StropJiomena. 2S4, 317, 320, 341. 342 

 Strophomena Haiti 334 



inguana 3,34 



Strophonella 234 



Strotoci inus 217 



Strotopora 22G 



Stnntz, (leorse R., Duluth, 8, 1<5. 17 



Sub-soil, defined 390 



Sub-soils in Minnesota 155 



Suhuliten 242, 342 



Sudduth, Dr. W. Xavier 304, 314 



Sullivan, J. M 1 



Superior, Lake 57 



Sydney, N. S. W^les. 2. 3, 9. 25. 



165, 172, 180, 296. 308 



Sijnhathocrinus 217 



Syntrielasma 234 



Syrinyopora 210 



Tricoelocrinus 219- 



Trilobite 317 



I'rimerella 234 



Triplesia 234 



Triticum 69 



Trochoceras 244, 245 



Trocholites 245 



Trochonema 242, 320, 342 



Troostocrinus 319 



Tropidoleptus 234 



Troximon 67 



TryhUdium 342 



e-rsertti)ii 337 



valLduin 337 



Treeless areas of Northwest. .145-151 



Turho 242 



Turhonilla 242 



Turin, Italy. .165, 172, 180, 297, 308 



Ulrich, Edward 183. 206 



Uncula 237 



Unculana 237 



U. S. Nat. Museum 300 



ITpham. Warren, 4, 5, 6, 7, 9. 10, 

 11. 12. 14, 19, 21. 27, 34. 

 182, 185, 300, 304, 308, 



310, 311, 370 



Upper Buff Limestone, Wis 320 



Uses of artesian water 368 



Taeniopora 226 



Tanaodus 247 



Taxocrinus 217 



Teeth, evolution of the 314. 315 



Teleiocrinus 217 



Tellinomya 237. 238, 343 



caudens 339 



lepida 339 



Temperature, Minnesota 152 



Temperature of artesian water . . 386 



Terehratula . .234 



Terminal moraine 56 



Tertiary ( V) forest, extent of. . . .150 



Thamniscus 226 



Thecia 210 



Thessalon quartzite 184 



Thrinacodus 247 



Thuya 91 



Thysanurae 41 



Tin ore (see Cassiterite) 



Todd, J. E 381 



Tokio, Jiapan 308 



Topeka, Kans...23, 164, 171, 178, 



295, 306 



Topographic features of Minne- 

 sota 153 



Tornado at Saint Cloud 156 



Sauk Rapids 158 



Tornadoes, local conditions .... 



of Minnesota 160 



Toronto, Canada, 2. 3, 9. 18. 25. 



165, 172, 180, 308 



Tower iron mine 278 



Trenton group of Minnesota 319 



chemical char,acter of 120 



lithological character of 

 rocks of Minneapolis and 



Saint Paul 111. 124, 131 



Trenton, N. J 164, 171, 178, 295 



Tremanothus 



Trematis 234 



Tremex 144 



Trematopora 226 



Trematospira 234 



Triarthella 222 



V. 



Van Duzee 15 



Vasocrinus 217 



Venustodus 247 



Vermillion Lake 82, 85, 8S 



Vermillion Series 185, 277 



Vesicaria 64 



Vicia 66 



Victoria, N. S. Wales 308 



Vienna, Austria 165 



Viola 65 



Vitella 226 



W. 



Waldheimia 234 



Walker, T. B 



1, 5, 15, 19. 172, 308 



Warren, G. H 183 



Warren, W.J 1 



Washburn, F. L 



22. 27, 166, 167, 175 



Washburn, Hon. W. D., M. C 5 



17, 23, 164, 171, 179, 295. 306 



Washington, D. C 2, 8, 



W^ater, analysis of 272 



-bearing formations 136 



boiled or filtered: merits. 74 

 deep well, from Hastings. 137 

 of Giant Spring, Mont., 



analysis of 345 



of Mississippi, analyzed.. . 46 



self-purification of 45-50 



supply. Committee to in- 

 vestigate 4 



Committee's report . . . .39-44 

 Minneapolis, sources of. 43-44 



Water-supply, question of 128 



Weeds of Minnesota 11 



Welch, Mrs. William 303 



Well-boring, conditions for suc- 

 cessful 130 



