568 



Index 



w 



Water supplies in the Philippine Islands, 273. 

 WEST, AUGUSTUS P., and COX, ALVIN J., 



Burning tests of Philippine Portland cement 



raw materials, 79. 

 White lauan, 557. 



Wikstroema meyeniana Warb., 558. 

 WJUcox, Cornelio DeWitt, see Reviews (book). 



WRIGHT, J. R., and SMITH, O. F., A quanti- 

 tative determination of the radium emana- 

 tion in the atmosphere and its variation 

 with altitude and meteorological conditions, 

 51. 



Y 

 Ylang-ylang, 555. 



Z 



Zizyphus zonulata Blanco, 568. 



o 



