INDEX TO VOLUME 19 



fill 



Page 

 Minnesota, Reference list of works on. 242 



— river. Granitic rock area on 222 



, Map showing relation of glacial 



lake Agassiz and river Warren to. 30 



valley. Characteristics of.... 2.'{7-240 



Miocene period, Characteristics of for- 

 mation of 407 



Mississippi and Minnesota rivers. Con- 

 trasting valleys of 31-33 



• — , Map of 32 



— river, Evidences of falls on 37-38 



island in 41-42 



, Flow of Minnehaha creek to. . . . 31 



, Map of 37 



, Map showing relation of glacial 



lake Agassiz and river Warren to. 30 

 Missouri valley. Burial mounds in. . . . 252 

 Moon, Sir George Darwin's theory of 



origin of 362 



— , Time of separation of earth and. . . . 130 

 MOLENGRAAF, Doctor, cited on Dwyka 



tillite ". . . 351 



— , cited on interglacial periods in 



South Africa 360 



Monroe beds. Faunas of 545-551 



— formation. Location and general 



character of 553-556 



■ , Proposed classification of 556 



, Salt shaft exposure and section of 541 



, Unconformity of rocks of 541 



Montana formation. Fossils of 461 



• , Location and character of . . . 459-461 



• , Occurrence and general relations 



of 458 



, Section of 460 



Monte de Oio and Mariposa formations, 



Eelation of Knoxville to 399 



— ■ beds. Character of 387-389 



formation, Fossils and age 



of 390-391 



■ , Relation to the Mariposa of 398 



Morrison formation of cretaceous sys- 

 tem 442-403 



-, Fossils and age of 446 



, General relations of 442-443 



, Location and character of . . . 443-446 



, Sections of 444-446 



— shales. View of 447 



MooND builders, Burial habits of. . 251, 252 

 Mount McKinley region, Graptolites 



of 324-326 



— Diablo, California, Stratigraphy and 



structure of (abstract) 537 



Movements of lake waters. Forms 



of 489-493 



Murray, A., cited on probable age of 



the Meguma series 101 



— , Reference to report by 112 



— , Work in Huronian district of 4-7 



Myrtle beds, Jurassic flora in the.... 368 



— formation, Age of rocks of 393-394 



, Calcareous cement and quartz 



veins in 392-393 



, Distribution of the Jurassic flora 



in 397 



Shasta flora in 396-397 



, Local siliflcation of the 392-395 



■ Buck peak to 373 



.Relation of Elk River plant beds 



to 378 



Shasta series of 395-396 



, Unconformity of 376 



Nasina series. Location in Klondike 



district of 267 



Navigation, Utilization of water for. . 216 



Nebraska "Loess Man." By B. 



Shimek 243-2.54 



Necrology 522, 599-600 



Page 



NeodymiuiM, Occurrence in solar spec- 

 trum of 123 



Neon, Discovery by Sir William Ram- 

 say of 110 



— , Radium emanation resulting in 118 



Nettleton, E. S., cited on flow of 



Giant springs 342 



— , Reference to work by 340 



Nevada, Las Vegas range of 68 



Newberry, J. S., Name "Canyon Colo- 

 rado"' given by 57 



— , Report on La Plata sandstone by. . . 57 



— , Title of paper by 56 



New Mexican bolson plains. Geological 



structure of 66 



plains. Underground water sup- 

 plies of 76 



New Mexico, Geologic processes In. 570-575 



— , Sketch map of 571 



— , Term "bolson" applied to interment 



plains of 65 



New Rampart, Porcupine river, Alaska, 



Character of rocks at 320-321 



New Ulm basal conglomerate, Age 



of 229-231 



— basal conglomerate. Character of 230-231 



— Commercial Association, Acknowl- 



edgments to 222 



— quartzite, Redstone quartzite termed 



225,226 



New Upper Siluric fauna from South- 

 ern Michigan, by W. H. Sherzer 



and A. W. Grabau 540-553 



Nichols and Buck Peak region. Map of 372 



— station, Oregon, Plant beds of 375 



Nicollet Island rapids, Location and 



formation of 47 



Niobrara formation. Character of 451 



Nitrogen, Occurrence in solar spec- 

 trum of 123 



Noettling, Doctor, Reference to work 



by 350 



NoMENCL-iTURE and subdivision of the 

 Upper Siluric strata of Michigan, 

 Ohio, and western New York. (Ab- 

 stract.) 553-556 



— on maps of U. S. Geologic Atlas. ... 14 

 North America, Extent of glaciation in 348 



— Platte basin, Colorado formation in 



453-454 



, Tensleep sandstone of the.... 416 



Notes on the Crazy mountains, Mon- 

 tana. (Abstract.) 557 



Nova Scotia, Probable age of the Me- 

 guma series of 99-112 



OCATE mesa, Location of 75 



Occurrence of petroleum in the coast 



counties of California. (Read by 



title.) 576 



proustite and argentite at the 



California mine, near Montezuma, 



Colorado, by Frank R. Van Home 93-98 



Ocean, Probable age of 130 



— , Radioactivity of 140. 



Officers, Election of 521 



— , List of 589 



Ogilvie, Ida H., Title of paper by 569 



Ogilvie, Willia.m, Investigations in 



Upper Yukon by 257 



Oldham, , cited on glaciation in 



India 352 



Oligocbne period, Characteristics of 



formations of 407 



Ontario, Huronian stones in 355 



Ontosphere, Role of water in.... 212-213 

 Ordovician, Certain of Upper Yukon 



rocks proved to be 271-272 



