Contents 49 



Page. 



Eddingfield, F. T. Gogo, Entada scandens Bentham, and its effect 



on gold and gold solutions 135 



No. 3, June, 1913 



[Issued November 17, 1913.] 



Agcaoili, F. The composition of various milks and their adaptability 



for infant feeding 141 



One plate. 



DovEY, E. R. The composition of carabao's milk 151 



Tempongko, C. Sugar-cane experiments ..._ 159 



Pratt, D. S., and Gibbs, H. D. The two phthaloximes : A study of 



their absorption spectra and constitution 165 



Two plates and 6 text figures. 



Pratt, D. S. The optical efficiency of tinted glasses in relieving eye 



strain 193 



One plate. 



No. 4, August, 1913 



[Issued February 13, 1914.] 



Saderka Maso, M., and Smith, W. D. The relation of seismic 



disturbances in the Philippines to the geologic structure 199 



Three maps. 



Smith, W. D. Contributions to the stratigraphy and fossil inver- 

 tebrate fauna of the Philippine Islands 235 



Twenty plates. 



No. 5, October, 1913 



[Issued February 25, 1914.] 



Pratt, W. E., and Smith, W. D. The geology and petroleum re- 

 sources of the southern part of Bondoc Peninsula, Tayabas 

 Province, P. 1 801 



Ten plates, 1 colored map, and 1 text figure. 



No. 6, December, 1913 



[Issued April 21, 1914.] 



Pratt, D. S., Thurlow, L. W., Williams, R. R., and Gibbs, H. D. 

 The nipa palm as a commercial source of sugar. A considera- 

 tion of the principal difficulties encountered in collecting and 

 preserving nipa-palm sap _ 377 



Pratt, D. S. The absorption spectra of various phthalides and re- 

 lated compounds _ 399 



Fifteen text figures. 



West, A. P. Analysis and composition of red lead 429 



Editorial: Copra spoilage on a large scale, by D. S. Pratt (with 1 



plate) „ 439 



Index 445 



138492 i 



