VI CONTENTS 



General Appendix 



Page 



Solar radiation, by C. G. Abbot 107 



Variable stars, by L. V. Robinson 121 



The master key of science: Revealing the universe through the spectro- 

 scope, by Henry Norris Russell 133 



The'.'decline of determinism, by Sir Arthur Eddington 141 



The^measurement of noise, by G. W. C. Kaye 159 



The]age of the earth and the age of the ocean, by Adolph Knopf 193 



A contribution to the geological history of the North Atlantic region, by 



Albert Gilligan 207 



The meteorite craters at Henbury, central Australia, by Arthur Richard 



Alderman 223 



Some geographical results of the Byrd Antarctic expedition, by Laurence 



M. Gould 235 



Some phases of modern deep-sea oceanography, with a description of some 

 of the equipment and methods of the newly formed Woods Hole Oceano- 



graphic Institution, by C. O'D. Iselin, II 251 



Safety devices in wings of birds, by Lieut. Commander R. R. Graham 269 



Through forest and jungle in Kashmir and other parts of north India, by 



Casey A. Wood 307 



A decade of bird banding in America: A review, by Frederick C. Lincoln. _ 327 

 Insect enemies of insects and their relation to agriculture, by Curtis P. 



Clausen 353 



Plant records of the rocks, by A. C. Seward 363 



Cultivating algae for scientific research by Florence E. Meier 373 



The present status of light therapy: Scientific and practical aspects, by 



Edgar Mayer 385 



The rise of man and modern research, by James H. Breasted 411 



Mohenjo-Daro and the ancient civilization of the Indus Valley, by Doro- 

 thy Mackay 429 



Historical cycles, by O. G. S. Crawford 445 



The "great wall of Peru" and other aerial photographic studies by the 



Shippee- Johnson Peruvian expedition, by Robert Shippee 461 



Status of woman in Iroquois polity before 1784, by J. N. B. Hewitt 475 



