614 



THE POPULAR SCIENCE MONTHLY 



treated with admirable clearness wide- 

 reaching theories to which the writers 

 had in large measure contributed both 

 the facts and the deductions. Dr. 

 Hale's address will be printed in The 

 I'upular Science Monthly. The other 

 addresses have been or will be printed 

 in Science. 



Dr. Theodor II. Boveri, of the Uni- 

 versity of Wiirzburg, was to have 

 spoken on "The Material Basis of 

 Heredity," but was unable (o be pres- 



ent owing to ill health. Otherwise the 

 program would have represented educa- 

 tion and the sciences of conduct, the 

 organization of science, and the exact 

 and biological sciences, with two ad- 

 dresses from home and three addresses 

 from abroad. The fact that three out 

 of the four addresses were given by 

 men working in astronomy and geo- 

 physics represents a real popular in- 

 terest, though perhaps a survival from 

 a more superstitious period, when the 



