INDEX TO VOLUME IX 755 



PAGE 



Valleys of Solution in Northern Arkansas. A. H. Purdue - - - - 47 

 Variations of Glaciers. VI. Harry Fielding Reid . _ „ . - 250 



Washington, Henry S. The Foyaite-Ijolite Series of Magnet Cove. A Chem- 

 ical Study in Differentiation -------- 645 



Water Resources of the Southern Half of the Black Hills and Adjoining 

 Regions in South Dakota and Wyoming, Preliminary Description of 

 the Geology and. N. H. Darton. Review by George D. Hubbard 732 



Watson, Thomas L. On the Origin of the Phenocrysts in the Porphyritic 



Granites of Georgia- --------- 97 



Review of the Bauxite Deposits of Arkansas, by Charles Willard Hayes, 

 United States Geological Survey, Twenty-first Annual Report, Part 



HI ----- 737 



Waverly Series of Central Ohio, Classification of. Charles S. Prosser - - 205 

 Weller, Stuart, and James Perrin Smith ; Prodromites, A New Ammontie Genus 



from the Lower Carboniferous -------- 255 



Weller, Stuart, Correlation of the Kinderhook Formations of Southwestern 



Missouri ------------ 130 



Reviews: The Oriskany Fauna of the Becraft Mountain, Columbia County, 



New York, by J. M. Clark --------- 278 



The University Geological Survey of Kansas, Vol. IV. Paleontology, Part 



11. Samuel W. Williston - - - - - - - - 362 



Wellman Expedition, Meteorological Observations of the Second, by Evelyn B. 

 Baldwin, Observer Weather Bureau. Report of the Chief of the 

 Weather Bureau, United States Department of Agriculture, 1899- 

 1900, Part VII. Review by T. C. C. ------ 276 



West Virginia, Geological Map of, I. C. White -..-.. 640 

 White, David. Review of Zeiller's Plant Flora of the Carboniferous Basin of 



Heraclea. An Illustration of Paleozoic Plant Distribution - - 192 

 Stratigraphical Succession of the Fossil Floras of the Pottsville Forma- 

 tions in Southern Anthracite Coal Field. Review by Charles R. 

 Keyes ------------ 544 



White, I. C, Geological Map of West Virginia ------ 640 



Willis, Bailey, Individuals of Stratigraphic Classification - - - - 557 



Yorkshire, the Geological History of the Rivers of East, F. R. Cowper Reed. 



Review by T. C. C. - - - 360 



Zinc and Lead Regions of North Arkansas, John C. Branner. Review by C. 



R. Keyes _-.-------. 634 



