INDEX 649 



Vol. Page 

 199 



Alternation of Fossil Faunas XIII 



Physiographic Significance of the Mesa de Maya. . . . XIV 



Tertiary Terranes of New Mexico XIV 



Volcanic Phenomena about Citlaltepetl and Popo- 

 catepetl XIV 



Eolian Origin of Certain Lake Basins of the Mexi- 

 can Tableland XV 



Stratigraphic Position of Western Redbeds XV 



Some Relations of the Older and Younger Tectonics 



of the Great Basin Region XV 



Significance of Thrust-planes in the Great Basin 



Ranges XVI 



Orotaxial Geologic Correlation and Diastrophism. . . . XVI 



Carbonic Column of Rio Grande Region XVI 



Maxwell Coulee and the Diversion of the Rio Mora. . XVII 

 Distribution of Bonanzas in the Pachuca Silver Dis- 

 trict of Mexico XVII 



Theory of Meteoritic Agglomeration and the Ultimate 



Source of the Ores XVII 



Graphics of Ore-Origin XVIII 



Volcanic Phenomena of Coon Butte Region, Arizona. . XVIII 

 Depositional Phases of Eolation Under the Stimulus 



of Aridity XVIII 



Sundry Provincial and Local Phases of the General 



Geologic Section of Iowa XIX 



Nether Delimitation of our Carbonic Rocks. . .- XIX 



Arid Plateau-plains as Features of Eolic Erosion XIX 



Complete Succession of lowan Cretaceous Terranes.. XX 



Recognition of Beds of Tertiaric Age in our State XX 



Late Devonic Sequence of the Iowa Region XX^ 



Memorial of Seth Eugene Meek XXI 



Iowa's Great Period of Mountain Making XXI 



Serial Subdivision of the Early Carbonic Succession 



in the Continental Interior XXI 



Our Pre-Cambrian Rocks XXI 



Foundation of Exact Geologic Correlation XXII 



Remarkable Prairie Synclinorium XXII 



Contraposed Shore-lines on Straits of Juan du Fuca. . XXII 



Controlling Fault Systems in Iowa XXIII 



Terranal Affinities of the Original Chouteau Lime- 

 stone XXIII 



Coast Range Cirques of the Skeena Basin XXIII 



High-level Ten-aces of Okanogan Valley, Washington XXIV 

 Continental Perspective of American Pre-Cambrian 



Stratigraphy XXIV 



Extent and Age of Cap-au-Gres Fault XXIV 



Provincial Unity of Continental Interior Coal-fields.. XXV 



Preglacial Moingona River XXV 



Alpine Structures of Jasper Park XXV 



and Call, R. E., Quaternary Section Eight Miles 



southeast of Des Moines '^•II> 30 



221 



223 



229 



137 

 143 



14.5 



151 

 153 

 159 

 165 



167 



169 

 95 

 99 



101 



147 

 153 

 157 

 199 

 203 

 205 

 11 

 181 



189 

 195 

 249 

 26S 

 272 

 103 



113 

 119 



47 



53 



81 



545 



551 



561 



