42 THE BUREAU OF SCIENCE 



The titles of the articles in volume IX, 1914, with their re- 

 spective authors are as follows : 



SECTION A. CHEMICAL AND GEOLOGICAL SCIENCES AND THE INDUSTRIES 



No. 1, February, 1914^ 



* Cox, Alvin J., and Argiielles, A. S. The soils of the Island of Luzon. 

 Wright, J. R., and Smith, O. F. A quantitative determination of the 



radium emanation in the atmosphere and its variation with altitude 

 and meteorological conditions. 

 West, August P., and * Cox, Alvin J. Burning tests of Philippine Port- 

 land cement raw materials. 



No. 2, April, 19 H 



* Pratt, David S., and * Brill, Harvey, C. The absorption spectra of various 



phthalides and related compounds, II. 



* Reibling, W. C, and * Reyes, F. D. The efficiency of Portland cement raw 



materials from Naga, Cebu. 



* Pratt, Wallace E. Geology and field relations of Portland cement raw 



materials at Naga, Cebu. 



* Reibling, W. C. Natural cement versus brick; Iwahig Penal Colony raw 



materials. 



* Pratt, David S. The coconut and its products, with special reference 



to Ceylon. 



No. 3, June, 19H 



* Dalburg, F. A., and * Pratt, Wallace E. The iron ores of Bulacan 



Province, P. I. 

 Eddingfield, F. T. Microscopic study of the Bulacan iron ores. 

 Editorial : Notes on the geology of Port Arthur and vicinity. 

 Reviews. 



No. i, August, 191Jf. 



* Cox, Alvin J., * Heise, George W., and * Gana, V. Q. Water supplies in 



the Philippine Islands. ^ 



No. 5, October, 19H 



* Brown, William H., and Mathews, Donald M. Philippine dipterocarp 



forests. 



No. 6, December, 19H. 



*■ Brown, William H., and Mathews, Donald M. Philippine dipterocarp 

 forests (concluded). 



SECTION B. TROPICAL MEDICINE 

 No. 1, February, 1914 



* Barber, M. A. Cockroaches and ants as carriers of the vibrios of Asiatic 



cholera. 

 Heiser, Victor G. Reappearance of plague in the Philippines after an 

 absence of six years. Brief description of the outbreak, the methods 

 used to combat it, and the probable factors in its introduction. 



