Contents 55 



No. 6, December, 1913 



[Issued May lo, 1914.] 



Page. 



Gebien, H. Die Tenebrioniden der Philippinen (Schluss) 401 



Light, S. F. Notes on Philippine Alcyonaria, part I: The Philip- 

 pine species of the genus Capnella 435 



Three plates. 



Bean, R. B. Types among the inland tribes of Luzon and Mindanao.. 455 

 Nine plates and 1 map. 



Index 463 



VOLUME IX 



VOLUME IX, A. CHEMICAL AND GEOLOGICAL SCIENCES AND THE 



INDUSTRIES 



No. 1, February, 1914 

 [Issued June 6, 1914.] 



Cox, A. J., and Argjelles, A. S. The soils of the Island of Luzon.. 1 



Seven plates, 1 map, and 3 text figures. 



Wright, J. R., and Smith, 0. F. A quantitative determination of 

 the radium emanation in the atmosphere and its variation with 

 altitude and meteorological conditions 51 



One text figure. 



West, A. P., and Cox, A. J. Burning tests of Philippine Portland 



cement raw materials - 79 



One plate and 3 text figures. 



No. 2, April, 1914 



[Issued September 4, 1914.] 



Pratt, D. S., and Brill, H. C. The absorption spectra of various 



phthalides and related compounds, II 105 



Six text figures. 



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



raw materials from Naga, Cebu 127 



Two plates. 



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



materials at Naga, Cebu 151 



One plate and 3 text figures. 



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



raw materials 163 



One plate. 



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



to Ceylon _ 177 



Five plates. 



No. 3, June, 1914 



[Issued October 9, 1914.] 



Dalburg, F. a., and Pratt, W. E. The iron ores of Bulacan Prov- 

 ince, P. 1 201 



Six plates, 1 map, and 6 text figures. 



Eddingfield, F. T. Microscopic study of the Bulacan iron ores 263 



