?4 



POPULAR SCIENCE MONTHLY. 



Professor K. Mitsukuri, of the Univer- 

 sity OF TOKIO, WHO GAVE AN ADDRESS 



on Oceanography. 



the tetrahedral carbon atom in 

 explanation of the behavior of 

 substances chemically identical 

 which nevertheless react differ- 

 ently to polarized light, thus 

 creating the science of stereo- 

 chemistry. 



Besides Backhmd, of Russia, 



the Dutch astronomer Kapteyn, 

 of Groningen, celebrated for his 

 measurements of stellar distances, 

 discoursed on astronomy. Our 

 own Campbell, of the Lick Ob- 

 servatory, delivered an admirable 

 address on astrophysics, along 

 with Turner, of Oxford. The 

 section of paleontology, with 

 Scott, of Princeton, in the chair, 

 and John M. Clarke, New York 



Professor Julius Wiesner, of the Uni- 

 versity of Vienna, who gave an 

 Address on Plant Physiology. 



