VI CONTENTS. 



Page. 



Appendix 6. Report on the Astrophysical Observatory 87 



6. Report on the Library 94 



7. Report on the International Catalogue of Scientific Literature 101 



8. Report on the Publications 104 



9. Langley Aerodynamical Laboratory 115 



GENERAL APPENDIX. 



The earth and sun as magnets, by George E. Hale 145 



The reaction of the planets upon the sun, by P. Puiseux 159 



Recent progress in astrophysics, by C. G. Abbot 175 



The earth's magnetism, by L. A. Bauer 195 



Modern ideas on the end of the world, by Gustav Jaumann 213 



Recent developments in electromagnetism, by Eugene Bloch 223 



Wireless transmission of energy, by Elihu Thomson 243 



Oil films on water and on mercury, by Henri Devaux 261 



Water and volcanic activity, by Arthur L. Day and E. S. Shepherd 275 



Ripple marks, by Ch. Epry 307 



Notes on the geological history of the walnuts and hickories, by Edward W. 



Berry 319 



The formation of leaf mold, by Frederick V. Coville 333 



The development of orchid cultivation and its bearing upon evolutionary the- 

 ories, by J. Costantin 345 



The manufacture of nitrates from the atmosphere, by Ernest Kilburn Scott. . . 359 

 The geologic history of China and its influence upon the Chinese people, by Eliot 



Blackwelder 385 



The problems of heredity, by E. Apert 397 



Habits of fiddler-crabs, by A. S. Pearse 415 



The abalones of California, by Charles L. Edwards 429 



The value of birds to man, by James Buckland 439 



Experiments in feeding hummingbirds during seven summers, by Althea R. 



Sherman 459 



Wliat the American Bird Banding Association has accomplished during 1912, 



by Howard H. Cleaves 469 



The whale fisheries of the world, by Charles Rabot 481 



The most ancient skeletal remains of man, by AleS Hrdli^ka 491 



The redistribution of mankind, by H. N. Dickson 553 



The earliest forms of human habitation, and their relation to the general devel- 

 opment of civilization, by M. Hoernes 571 



Feudalism in Persia; its origin, development, and present condition, by Jacques 



de Morgan 579 



Shintoism and its significance, by K. Kanokogi 607 



The Minoan and Mycenaean element in Hellenic life, by A. J. Evans 617 



Flameless combustion, by Carleton Ellis 639 



Problems in smoke, fume, and dust abatement, by F. G. Cottrell 653 



Twenty years' progress in marine construction, by Alexander Gracie 687 



Creating a subterranean river and supplying a metropolis with mountain water, 



by J. Bernard Walker and A. Russell Bond 709 



The application of the physiology of color vision in modem art, by Henry G. 



Keller and J. J. R. Macleod 723 



Fundamentals of housing reform, by James Ford 741 



The economic and social role of fashion, bj' Pierre Clerget 755 



The work of J. H. van't Hofi, by G. Bruni 767 



