454 NATHANIEL SOUTHGATE SHALER 



The Negro Problem. Atlantic Monthly, November, 1884. 

 , Humanism in the Study of Nature. Science, July 24, 1885. 



Race Prejudices. Atlantic Monthly, October, 1886. 



The Swamps of the United States. Science, March 12, 1886. 



On the Formation of Mountain Chains. Geological Magazine, London, 

 vol. 5, pp. 511-517. 1886. 



On the Paralkl Ridges of the Glacial Drift in Eastern Massachusetts. Id., 

 London, vol. 8, pp. 27, 28. 1886. 



On the Needs of American Universities. Harvard Monthly, February, 1886. 



Series of Twenty-five Colored Geological Models and Twenty-five Photographs 

 of Important Geological Objects, accompanied by letter-press descriptions, 

 with the assistance of W. M. Davis and T. W. Harris. Boston: D. C. Heath 

 & Co., 1886. 



Field Geology. Popular Science News, May and August, 1887. 



The Stability of the Earth. Scribner's Magazine, March, 1887. 



The Forests of North America. Id., April, 1887. 



Caverns and Cavern Life. Id., October, 1887. 



The Instability of the Atmosphere. Id., August, 1887. 



The Supply of Natural Gas. Forum, May, 1887. 



The Earthquake in the Riviera. Epoch, March, 1887. 



The Law of Fashion. Atlantic Monthly, March, 1888. 



Animal Agency in Soil Making. Popular Science Monthly, February, 

 1888. 



On the Study of Nature. Popular Science News and Boston Journal of 

 Chemistry, April, 1888. 



Volcanoes. Scribner's Magazine, February, 1888. 



The Crenitic Hypothesis and Mountain Building. Science, June 15, 1888. 



Rivers and Valleys. Scribner's Magazine, August, 1888. 



The Work of Underground Waters. Chautauquan, December, 1889. 



College Scientific Expeditions. Id., 1889. 



The Sense of Honor in Americans. North American Review, August, 1889. 



Discipline in American Colleges. Id., July, 1889. 



The Athletic Problem in Education. Atlantic Monthly, January, 1889. 



The Problem of Discipline in Higher Education. Id., July, 1889. 



School Vacations. Id., December, 1889. 



Effects of Permanent Moisture on Certain Forest Trees. Science, March 8, 

 1889. 



The Common Roads. Scribner's Magazine, October, 1889. 



Chance or Design. Andover Review, August, 1889. 



Knees of the Bald Cypress. Garden and Forest, January, 1890. 

 Nature and Man in America. Scribner's Magazine, September, 1890. 



