NATURAL NEBRASKA 199 



Page 

 Natural l)ri<lj;e, Miller County, Missouri. 1 >('scri|iti()ii of 21, 333 



— — near IMuo. ArizouM, DesfripMou of 21. 33;"), .3.'5(i 



of Buffalo (jap, South Dakota, Description of 21, 32(i 



Le Perle Creek, Wyoming, Description of 21, 320 



the Emnie Valley, Switzerland, Description of. \'ie\v sliowiii;,'. . 21,334 



— — , Oklahoma. Description of 21, 327 



— • — over Lamville River, Vermont, Description of and view showinii. . 



21.321,322 



, Perch River, Section of (after Ruedomann ) 21, 330 



, Petiifiod los 21, 323-32r) 



, Viricinia 21, 327 



, Yellowstone National Park 21. 322 



— bridges by stream erosion 21, 314-32G 



, Catalog of North American 21, 337. 338 



, Formation of, from the "Remains of a great cavern," Di.agram in- 

 dicating ( Shaler ) 21. 3.30 



formed by pot-hole action 21. 321 



, Green County, Missouri, Description of 21. 329 



in western Oklahoma 21, 333 



initiated by solution 21, 327-3.33 



— — wave action 21, 326, 327 



, Jefferson County, New York 21, 332 



of Florida, Description of 21, 331 



— — — Jackson County, Iowa, Description of 21, 332 



North America ; Herdman F. Cleland 21, 22, 314-338, 768 



San Juan County, Utah, Description of and views showing. 21.317-321 



southeastern Utah, Directions for reaching 21. 317 



—the Taina Valley, Switzerland 21, 333 



, Travertine-cemented 21, 323 



— gas and its control, R. A. Geary well 24. 279 



at Cleveland, Ohio ; F. R. Van Horn 26, 102 



— water. New classification of 24, 73 



Nature of the substance known as Mother of Coal and its relation to the 



process of coal formation ; Edward C. Jeffrey 24, 75, 715 



later deformations in certain ranges of the Great Rasin : C. L. 



Baker 35, 122 



Naumann, C. F., cited on metamorphism 28, 378-379 



origin of pillow lavas 25, 637 



— pillow lavas 25, 595-596 



Navajo-Moki reservation, Preliminary geological maj) of the; Herbert E. ' 



Gregory 34, 53, 680 



Navidad fauna 39, 642 



Nebraska, Amphibian from the Tertiary of 28. 213 



— and Iowa fossiliferous sand and gravel beds, Elvidence they are Afto- 



nian 31, 31 



— Eurypterids ; E. H. Barbour 24, 113 



— , Geological tour of 28, 197 



— , Horned Artidactyl of 38, 211 



