552 



INDEX. 



Page. 



Baptism River, Minn 127, 143, 145 



, , Quartz-porphyry of 127 



Bare Hills of Keweenaw Point, Mich 130 



Barrier, Description of a 207 



Bars and embankments built by Lake 



Lahontan 210,211 



Barus, Dr. Carl, Important work under- 

 taken by xvii 



Basalt dikes in Richmond Mountain 286 



, Eureka District 277, 280, 283, 284, 286, 290 



of Alhambra Hills 286 



Basic flows of Keweenaw Series, Lateral 



extent of 121 



rocks of Keweenaw Series, Chrono- 

 logic relations of, to acid rocks of the 



same 128 



, Origin of 120 



, Proofs of contemporaneous 



formation of 121 



Basin of Lake Superior, Structure of the. 174 



Basin Range Structure (Fig. 44) 196, 202 



, The Great (See Great Basin). 



Bat chewanung Bay, Canada 171,187 



Battle Islands, Canada 141 



Ray field county, Wis 155,175 



Beach ridges 299 



Bead Island, Canada, 114 



Beaver Bay, Minn 114,126,143 



Becker, G. F., Administrative report of.. 24 



Beds, Sedimentary, in Lake Lahontan . . . 222, 224 



Bell, R., on the Animikie group 160 



, referred to 158,162,169,171 



Berg till 297 



Bete Grise Bay, Mich 108, 140, 148, 152 



Bien, Morris, Services performed by 243 



Bigsby, Dr., cited 385 



Billings, E., cited 257 



Birds, Cretaceous ; aquatic 85 



, Existing, without teeth 49 



, Geological horizon of 50 



incapable of flight 67 



, Oldest known 49 



-, Origin of 86 



related to reptiles 51 



, Remains of, rare 49 



, toothed, Classification of 86 



with teeth, by Prof. O. C. Marsh 45 



, Geological horizon of 50 



Bischof, Analyses of river water by 212 



Black and Nipigon Bays, Canada, Rocks 



of peninsula between 141 



Bay, Canada 129,137,176 



, Thickness of Keweenawan rocks 



of 137 



River, Mich ". 152,177 



,Wis 150 



Bohemian Mountain, Mich 105 



Range of Keweenaw Point, Mich . . .93, 126, 139, 



153, 185 

 Bois Blanc Lake, Minn., Crystalline schists 



of 169 



Bonneville, Lake, Extent of 202 



Bowlderets defined 324 



Bowlders, Trains of 320 



Brain growth, General law of 57 



P age. 



Brain of Hespcrorni* 55 



Ichthyornis 71 



Brine from Lake Lahontan Basin, Analyses 



of 226 



Brooks, T.B., referred to 166,171 



Brule Lake. Minn 186 



region, Gabbro of 135 



Brule River, Minn 126,144 



, Felsitesof 144 



Brunschweiler River, Wis 133 



Brush Peak, Devonian formations of 266 



Buffalo Salt Works, Nev., Analysis of 



brine from 226 



, Description of the 225, 226 



, Production of the 226 



Bulimus floridanus 454 



Bulinus atavus 450 



disjunctus 451 



longiusculus 451 



rhomboideus 451 



sublongatug 450 



Bull- whacker Mine, Quartz-porphyry dike 



in 274 



Burlington Bay, Minn 143 



Bythinclla gregaria 466 



Calumet and Hecla Mine, Mich 130, 180 



Cambrian rocks, Thickness of, in Nevada. 254 



Campeloma macrospira 4 69 



multilineata 469 



multistriata 469 



producta 469 



vetula 469 



Canaday, David, cited . 381 



Cape Choyye, Lake Superior 177 



Garguntua, Lake Superior 177 



Carbon Ridge and Spring Hill group 251 



Carboniferous rocks of Eureka District. . 268 



Caribou Island, Lake Superior 133 



, Thunder Bay, Canada 133 



Carinifex ( Vorticifex) binneyi 448 



tryoni 448 



Carlton's Peak, Minn. 105 



Carp Lake, Minn 123 



Carson and Humboldt Sink, Description 



of the 225 



Cascade River, Minn 144 



Cassiopella turricula 464 



Cercocarpus lardifolius 246 



Ceriphasidiice 462 



Cerithiidce 459 



Cerithiiea 1 nebrascensis 463 



Chamborlin, Prof. T. C., Administrative 



report of 17 



.Examination of glacial moraines 



by xvii,17 



, Preliminary paper on the ter- 

 minal moraines of the Second 



Glacial Epoch, by. 291 



, referred to 93,139,174,175 



Chaquamegon Bay, "Wis 155 



Chariocephalus tumifrons 258 



Chauvenet, W. M., referred to 126 



Chemical deposits of Lake Lahoutan 211 



Chester, Prof. A. H., on the Mesabi Iron 



Range, Minn 161,170 



