INDEX TO VOL. K 



Ca^e, Theo. S — The Improvement of the 

 jNIississippi River ..... . . 7°5 



Center of Population i86 



Chalk Beds of Wa-K.eeney, Kansas . . . 6i6 

 Character, the Influence of Altitude upon 15 

 Chemical and Dynamical Geology ... 75 



Chemical Paradoxes 342 



Chemistry .75, 152, 309, 340, 391 



Chert Rocks of Sub carboniferous Kansas, 669 



Chrv sails. Birth of a 710 



Coal of Arizona 44 



Coal, Formation of 676 



Coal, Value of Annual Production . . . 738 



Co'd Air Machines 295 



Coleman, \V. E. — Who Destroyed the .::J 



Alexandr an Library? 626 



Colorado, the Ice Problem in ... . 5 



Colorado, Scientists of 108 



Colorado, San Juan Region of 42 



Color Blindness and Color Sense .... 377 



Comets 235 



Comets, Composition, Purpose and Ef- 

 fect of 745 



Comets of 1881 238, 239, 281 



Comets, Remarkable 189 



Common Sense Sanitation 147 



Compass Surveying 399 



Conchology ...... . . 526, 681 



Consumption, Relation of Foul Air to . 295 

 Copper Implements, Hammered or Mould- 

 ed ? 490 



Coral Life and Growth .... . . 623 



Correspondence. 47, 96, 204, 300, 347, 544 



607, 739- 

 Corwin, Cruise of the, in BehringSea, 203,476 



Creational Progress 364 



Curious Experiments in Heat 61 



Dark D.y in Canada 108 



Darwin on Movements in Plants ... 24 

 Dawson, Wm. — The Saros and Total 



Eclipse of i8o5 683 



Dead Cities of New Mexico 480 



Diagnosis of Blood Stains 378 



Diatoms 418 



Dietetics, Instinct as a Guide in . . . .150 



Diphtheria, Prevention of 119 



Diphthtria, Salt as a Prophylactic in . . 508 

 Disease, Gymnastics as a Cure of , ... 60 



Discoveries by Accident 125 



Discovery of the American Continent . . 630 

 Double Stars 696 



Earthquakes of 1881 576 



Eccles, D. — An Apology for Nature. . , 610 

 Editorial Notes . 62, 128, 191, 256, 323, 389 



453> 519, 583. 652,717, 780. 

 Edwards, John, Ode to the Mound Graves. 371 



Electricity in Surgery 61 



Electricity, Stoiage of 299 



Electiicity, Future of 385 



Hectric Light, The Risks of the .... 575 

 Electric Light, Varieties of the 777 



Electric Self-F.egistering Anemometer . . 503 

 Engineering, Geological Action vs . . . 17 

 Engineering and Mining . 175, 400, 542, 605 



705. 

 Engineering Projects, Some Great . . . 542 



Entomology 171, 536 



193 

 726 



764 

 474 

 557 

 587 

 678 



Ethnology 

 Europe Before the Arrival of Man . 

 Exactness of the Science of Medicine 

 Exploration of Wrangel Land . . . 

 Exploration by Means of Balloons . 

 Exploration in Montana and Idaho . 

 Exploration of Zambesi ...... 



Failyer, Prof. G. H. — Atmospheric Ozone. 152 



Fluorine 396 



Fibre, A New 387 



Fire-Proof Building 774 



Floating Stones 528 



Flowers, A Hint for Arranging 388 



Forestry Work of the loth Census . . 451 



Fort Orleans, Where was It? 22 



Fort Orleans on the Missouri 139 



Fossil Flora of the Dakota Group .... 243 

 Fossil Forests of Yellowstone Park . . . 373 

 Friendly Insects 171 



Galileo and Current Myths 560 



Garden of the Gods 580 



Geography 210, 259, 421, 471, 555, 587, 677 



Geological Chart 138 



Geological Notes on the Central Branch 



U. P. R. R 129 



Geological Action w. Engineering ... 17 

 Geology . I, 129, 243, 273, 325, 416, 491, 523 



616, 669, 735. 



Glass Spinning and Weaving 123 



Glass and Cements 319 



Glass as a Building Material 578 



Gold, The Genesis and Distribution of 617 



Gravel Beds, The Burlington 325 



Gravel Beds, The Burlington, Prof. Schaef- 



fer Upon 492 



Gymnastics as a Cure of Disease .... 60 



Haworih, Erasmus, Joplin City White 



Lead Works ... 39i 



Haworth, Erasmus — The Chert Rocks of 



Sub Carboniferous Kansas 669 



Hay-Fever, Treatment of 291 



Heat, Curious Experiments in ... . 61 

 Heath, Dr. E. R. — Discoveries in South 



America 259 



Heath. Dr. E. R.— Tab'.es of Meteorolog- 

 ical Observations in South America . . 276 

 Hickman, E. A. — Latitude and Longi- 

 tude of Kan as City 473 



Historical Notes . 19, no, 139, 286, 626, 655 

 Horse, The Age of the American .... 414 

 Horse, The Origin and Development of 



the Existing 7 '9 



How Material Things Exist 614 



Hudson, Mrs. M. W.— Western Artists . 572 



