# Popular Science Monthly/Volume 73/Index

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I N D E X.
NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS. :
| Aborigines, Prehistoric, of Minnesota and their Migrations, N. H. Winchell | 207 |
| Administration, Academic Aspects of, Joseph Jastrow | 326 |
| Administrative Methods in American Universities | 93 |
| Aerial Navigation | 381 |
| Aerodrome, Langley's, Experiments with, S. P. Langley | 462 |
| Alban and Mitla, Monte, as the Tourist sees them, Charles Joseph Chamberlain | 392 |
| American, Association, the Hanover Meeting of the | 96 |
| "Summer Meeting at Dartmouth College | 189 |
| "Education, the Specialist Blight on, James P. Munroe | 340 |
| "Universities, Administrative Methods in | 93 |
| Aquatic, Animals, Photography of, in their Natural Environment | 382 |
| "Farming: a System of, Herbert Osborn | 85 |
| Arnot, Raymond H., The Industries of Niagara Falls | 306 |
| Athletes, Scholars and the Average Student, the Physique of, D. A. Sargent | 248 |
| Attraction, Social, The Laws of, Simon N. Patten | 354 |
| Bacteriological Study of Soiled Paper Money, Warren W. Hilditch | 157 |
| Bawden, H. Heath, The Philosophy called Pragmatism | 61 |
| Biology, Modern, Aspects of, T. D. A. Cockerell | 540 |
| Botanical Gardens of Ceylon, Frances Ramaley | 193 |
| Botany, A Biographical History of, at St. Louis, Missouri, Perley Spaulding | 488 |
| Boyden Department of the Harvard College Observatory | 94 |
| Branner, John C, Loyalty | 549 |
| British Association, The Dublin Meeting of | 477 |
| Brown, Orville Harry, A Physiological Problem, Enzymes | 81 |
| Canadian Wheat, John Waddell | 523 |
| Case, E. C., A Great Permian Delta and its Vertebrate Life, with Restorations by the Author | 557 |
| Celibate Education To-day, E. S | 423 |
| Ceylon, Botanical Gardens of, Frances Ramaley | 193 |
| Chamberlain, Charles Joseph, Monte Alban and Mitla as the Tourist sees them | 392 |
| Chamberlin, Thomas Chrowder, Soil Wastage | 5 |
| Chicago and Greater New York, Crimes of Violence in, Maynard Shipley | 127 |
| Classification of Mathematics, G. A. Miller | 319 |
| Cockerell, T. D. A., Florissant, a Miocene Pompeii | 112 |
| "Modern Aspects of Biology | 540 |
| College Standardization, W. Le Conte Stevens | 528 |
| Congresses, International, and Permanent International Bureaus | 191 |
| Conservation of Energy, The History of, the Age of the Earth and the Sun, Florian Cajori | 97 |
| Crampton, Henry E., Zoology | 441 |
| Crimes of Violence in Chicago and in Greater New York, Maynard Shipley | 127 |
| Crops, The Rotation of, Samuel Fraser | 403 |
| Dartmouth College and the Summer Meeting of the American Association for the Advancement of Science | 189 |
| Dean, John Candee, Count Rumford | 32 |
| Democracy, the Public School Teacher in a, Henry R. Linville | 413 |
| Doctorates conferred by American Universities | 380 |
| Dublin Meeting of the British Association | 477 |
| Earth and the Sun, the Age of, and the History of the Conservation of Energy, Florian Cajori | 97 |
| Education, American, the Specialist Blight on, James P. Munroe | 340 |
| "Celibate, E. S | 423 |
| Energy, The History of the Conservation of, and the Age of the Earth and the Sun, Florian Cajori | 97 |
| Enzymes: A Physiological Problem, Orville Harry Brown | 81 ​ |
| Excretions, Root, Modern and Early Work on the Question of, Howard S. Reed | 257 |
| Falls of Niagara, The Spoliation of, J. W. Spencer | 289 |
| ""Industries of, Raymond H. Arnot | 306 |
| Farming, Aquatic, Needed: A System of, Herbert Osborn | 85 |
| Financial Status of the Professor in America and in Germany | 285 |
| Florissant, a Miocene Pompeii, T. D. A. Cockerell | 112 |
| Forest Wealth, shall it be destroyed? Thomas Elmer Will | 176 |
| Fraser, Samuel, The Rotation of Crops | 403 |
| Fullerton, George Stuart, Something New in Freewill | 345 |
| Handwriting, Japanese, E. W. Scripture | 277 |
| Hanover Meeting of the American Association | 96 |
| Harvard College Observatory, the Boyden Department of | 94 |
| High School Course, David Starr Jordan | 28 |
| Hilditch, Warren W., A Bacteriological Study of Soiled Paper Money | 157 |
| Humor, the Nature, Origin and Function of, Linus W. Kline | 144 |
| Inadequacy of Speech, Chas. W. Super | 429 |
| Industries of Niagara Falls, Raymond H. Arnot | 306 |
| International Congresses and Permanent International Bureaus | 191 |
| Japanese Handwriting, E. W. Scripture | 277 |
| Jastrow, Joseph, Academic Aspects of Administration | 326 |
| Jordan, David Starr, The High School Course | 28 |
| Kennelly, A. E., Records of Running in the Last Olympiad | 385 |
| Kline, Linus W., The Nature, Origin and Function of Humor | 144 |
| Langley's Aerodrome, Experiments with, S. P. Langley | 462 |
| Linville, Henry R., The Public School Teacher in a Democracy | 413 |
| Loeb, Morris, Hypothesis of Radiant Matter | 52 |
| Loyalty, John C. Branner | 549 |
| Man, The Application of Zoological Laws to, William Ridgway | 500 |
| Mathematics, Classification of, G. A. Miller | 319 |
| Matter, Radiant, Hypothesis of, Morris Loeb | 52 |
| Mayer, Alfred Goldsborough, The Cause of Pulsation | 481 |
| Milk, Facts concerning, A. E. P. Rockwell | 166 |
| Miller, G. A., Classification of Mathematics | 319 |
| Minnesota, Prehistoric Aborigines of, and their Migrations, N. H. Winchell | 207 |
| Miocene Pompeii, Florissant, T. D. A. Cockerel | 112 |
| Mississippi River Problem, Walter Sheldon Tower | 13 |
| Mitla and Alban, Monte, as the Tourist sees them, Charles Joseph Chamberlain | 392 |
| Money, Paper, Soiled, a Bacteriological Study of, Warren W. Hilditch | 157 |
| Montgomery, Jr., Thos. H, The Practical Value of Pure Science | 234 |
| Munroe, James P., The Specialist Blight on American Education | 340 |
| Natural Selection, The Fiftieth Anniversary of the Announcement of | 475 |
| Navigation, Aerial | 381 |
| New York and Chicago, Crimes of Violence in, Maynard Shipley | 127 |
| Niagara, the Falls of, Spoliation of, J. W. Spencer | 289 |
| "The Industries of, Raymond H. Arnot | 306 |
| Observatory, Harvard College, the Boyden Department of | 94 |
| Olympiad, the Last, Records of Running in, A. E. Kennelly | 385 |
| Osborn, Herbert, A System of Aquatic Farming | 85 |
| Paper Money, Soiled, A Bacteriological Study of, Warren W. Hilditch | 157 |
| Permian Delta and its Vertebrate Life, with Restorations by the Author, E. C. Case | 557 |
| Philosophy, the New, Called Pragmatism, H. Heath Bawden | 61 |
| Photography of Aquatic Animals in their Natural Environment | 382 |
| Physiological Psychology, the Movement towards, R. M. Wenley | 73 |
| Physiological Psychology, the Movement towards, R. M. Wenley | 135 |
| Physiological Psychology, the Movement towards, R. M. Wenley | 226 |
| Physique of Scholars, Athletes and the Average Student. D. A. Sargent | 248 |
| Plague, The Present Pandemic of | 479 |
| Pickering, E. C, Foreign Associates of National Societies | 372 |
| Pompeii, Florissant, a Miocene, T. D. A. Cockerel | 112 |
| Pragmatism, the New Philosophy called, H. Heath Bawden | 61 |
| Prehistoric Aborigines of Minnesota and their Migrations, N. H. Winchell | 207 ​ |
| Presidents. Two Great University | 569 |
| Professor, The Financial Status of the, in America and in Germany | 285 |
| Progress of Science | 93 |
| Progress of Science | 189 |
| Progress of Science | 283 |
| Progress of Science | 380 |
| Progress of Science | 475 |
| Progress of Science | 569 |
| Public School Teacher in a Democracy. Henry R. Linville | 413 |
| Pulsation. The Cause of, Alfred Goldsborough Mayer | 481 |
| Pure Science, The Practical Value of, Thos. H. Montgomery, Jr. | 234 |
| Radiant Matter, Hypothesis of, Morris Loeb | 52 |
| Ramaley, Frances, The Botanical Gardens of Ceylon | 193 |
| Reed, Howard S., Modern and Early Work on the Question of Root Excretions | 257 |
| Ridgeway, William, The Application of Zoological Laws to Man | 500 |
| River Problem, The Mississippi, Walter Sheldon Tower | 13 |
| Rockwell, A. E. P., Facts concerning Milk | 166 |
| Root Excretions, Modern and Early Work on, Howard S. Reed | 257 |
| Rotation of Crops, Samuel Fraser | 403 |
| Rumford, Count, John Candee Dean | 32 |
| Running in the Last Olympiad, A. E. Kennelly | 385 |
| S. E., Celibate Education To-day | 423 |
| Sargent, D. A., The Physique of Scholars, Athletes and the Average Student | 248 |
| Science, Pure, The Practical Value of, Thos. H. Montgomery, Jr. | 234 |
| "The Progress of | 93 |
| "The Progress of | 189 |
| "The Progress of | 283 |
| "The Progress of | 380 |
| "The Progress of | 475 |
| "The Progress of | 569 |
| Scientific Items | 96 |
| Scientific Items | 192 |
| Scientific Items | 286 |
| Scientific Items | 384 |
| Scientific Items | 480 |
| Scientific Items | 571 |
| Scripture, E. W., Japanese Handwriting | 277 |
| Selection, Natural, The Fiftieth Anniversary of the Announcement of | 475 |
| Shipley, Maynard, Crimes of Violence in Chicago and in Greater New York | 127 |
| Silver, Theo. F. Van Wagenen | 267 |
| Social Attraction, The Laws of, Simon N. Patten | 354 |
| Soil Wastage, Thomas Chrowder Chamberlin | 5 |
| Spaulding, Perley, A Biographical History of Botany at St. Louis, Missouri | 488 |
| Specialist Blight on American Education, James P. Munroe | 340 |
| Species, A Case of Unparalleled Extermination of: the Passing of the Sturgeon, Walter Sheldon Tower | 361 |
| Speech, The Inadequacy of, Chas. W. Super | 429 |
| Spencer, Herbert, Life and Letters of | 283 |
| Spencer, W. J., The Spoliation of the Falls of Niagara | 289 |
| Stevens, W. Le Conte, College Standardization | 528 |
| Sturgeon, the Passing of, A Case of the Unparalleled Extermination of a Species, Walter Sheldon Tower | 361 |
| Sun and the Earth, and the History of the Conservation of Energy, Florian Cajori | 97 |
| Super, Chas. W., The Inadequacy of Speech | 429 |
| Tower, Walter Sheldon, The Mississippi River Problem | 13 |
| "The Passing of the Sturgeon | 361 |
| Universities, American. Administration Methods in | 93 |
| "Doctorates conferred by | 380 |
| University Presidents, Two Great | 567 |
| Van Wagenen, Theo. F., Silver | 267 |
| Vertebrate Life of a Great Permian Delta, with Restorations by the Author, E. C. Case | 557 |
| Violence, Crimes of. in Chicago and in Greater New York, Maynard Shipley | 127 |
| Waddell, John, Canadian Wheat | 523 |
| Wastage, Soil, Thomas Chrowder Chamberlin | 5 |
| Wenley, R. M., The Movement towards "Physiological" Psychology | 73 |
| Wenley, R. M., The Movement towards "Physiological" Psychology | 135 |
| Wenley, R. M., The Movement towards "Physiological" Psychology | 226 |
| Wheat, Canadian, John Waddell | 528 |
| Will, Thomas Elmer, Shall Our Forest Wealth be Destroyed? | 176 |
| Winchell. N. H., Prehistoric Aborigines of Minnesota and their Migrations | 207 |
| Zoological Laws, The Application of, to Man, William Ridgeway | 500 |
| Zoology, Henry E. Crampton | 441 |