INDEX. 309 



Wood, R. W. : Page 



Screens Transparent Only for Ultra-violet I/ight 152 



Some new Cases of Interference and Diffraction 152 



Surface Color 152 



Wood, R. W., and Moore, J. H., Fluorescence and Absorption Spectra of 



Sodium Vapor 152 



Woods Hole I^aboratory 144 



Woods Hole Station 22 



Woodward, Robert S., Elected President of Carnegie Institution of Wash- 

 ington 19 



Wright, Carroll D 55 



Wyoming, Mining Notes on 57 



Yatsu, N., Experimental Studies of Nemertine Egg 144 



Yerkes, R. M 144 



Zerban, Fritz, Research Assistant 146 



Zoology, Projects concerning 134-144 



