THE PROGRESS OF SCIENCE 



621 



INDEX 



NAMES OF CONTRIBUTORS ABE PRINTED IN SMALL CAPITALS 



Abilities, The Permanence of Interests 

 and their Eelation to, Edward L. 

 Thorndike, 449 



Administrative Peril in Education, 

 Joseph Jastrow, 495 



Agricultural Products of the United 

 States, 519 



Air, Holes in the, W. J. Humphreys, 

 50 



Allegheny Observatory, The New, 409 



American, Descendants of Gauss, 

 Elorian Cajori, 105; Natural His- 

 tory, George Marcgrave, the First 

 Student of, E. W. Gudger, 250; Col- 

 lege, Function of, A. K. Eogers, 574 



Anaphylaxis, Some Aspects of, John 

 Auer, 434 



Andrews, C. C, Practical Forestry 

 explained, 531 



Anniversary of the Royal Society, The 

 Two-hundred and Fiftieth, 308 



Arbuthnot, C. C, An Economic Inter- 

 pretation of Present Politics, 183 



Asphalts, Trinidad and Bermudez, and 

 their Use in Highway Construction, 

 Clifford Richardson, 19, 170 



Auer, John, Some Aspects of Ana- 

 phylaxis, 434 



Basil Valentine : A Seventeenth-century 



Hoax, John Maxson Stillman, 591 

 Bauer, John, Rising Prices and the 



Public, 564 

 Bees which visit only One Species of 



Flowers, John H. Lovell, 197 

 Bermudez, and Trinidad, Asphalts, and 



their Use in Highway Construction, 



Clifford Richardson, 19, 170 

 Boss, Lewis, 618 

 Botanical Excursion, A Round-the- 



World, Charles J. Chamberlain, 



417 

 British Association, Address of the 



President, 414 

 Brittox, W. E., The Role of the House 



Fly and Certain Other Insects in the 



Spread of Human Diseases, 36 

 Brues, Charles T., Insects as Agents 



in the Spread of Disease, 537 



Cajori, Florian, Gauss and his Amer- 

 ican Descendants, 105; The Evolu- 

 tion of the Dollar Mark, 521 



Calendar, Reforming the, Oberlin 

 Smith, 582 



Cannon, W. A., Some Features of the 



Root Systems of the Desert Plants, 



90 

 Cannon, W. B., A Consideration of the 



Nature of Hunger, 291 

 Carlton, Frank T., History-making 



Forces, 349 

 Carnegie Foundation for the Advance- 

 ment of Teaching, Activities of, 102 

 Chamberlain, Charles J., A Round- 



the-World Botanical Excursion, 417 

 China's Great Problem, Thomas T. 



Read, 457 

 Cold Storage Problems, P. G. Heine- 



mann, 153 

 Cole, Leon J., The Relation of Eugen- 

 ics to Euthenies, 475 

 College, American, Function of the, 



A. K. Rogers, 574 

 Color, Hair-, and Genius, Charles 



Kassel, 284 

 Commission Government, The Real 



Problem of, Oswald Ryan, 275 

 Congresses, International Scientific, 



meeting in America, 412 

 Conservation Problem, The World 's 



Most Important, Stewart Paton, 



163 

 Cooperative Engineering Course of the 



University of Cincinnati, 100 

 Cotton Goods, Permanent Fireproofing 



of, William Henry Perkin, 397 



Death Rate, Decreasing, and Vital 

 Statistics, 617 



Dedication of New Allegheny Observa- 

 tory, 409; of the New York State 

 Education Building, 517. 



Descendants, American, of Gauss, 

 Florian Cajori, 105 



Desert Plants, Some Features of Root 

 Systems, W. A. Cannon, 90; Rubber 

 Plant, the Guayule, F. E. Lloyd, 313 



Disease, Human, the Role of the House 

 Fly in the Spread of, W. E. Brit- 

 ton, 36; Hookworm, Eradication of, 

 205 ; Insects as Agents in the Spread 

 of, Charles T. Brues, 537 



Dollar Mark, Evolution of, Florian 

 Cajori, 521 



Economic, Interpretation of Present 

 Politics, C. C. Arbuthnot, 183; 

 Orthodoxy, the Revival of, S. M. 

 Patten, 246 



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