CONTENTS. 



Page. 



GIBBS, H. D. The Alcohol Industry of the Philippine 



Islands. Part I. ( Concluded.) 147 



REIBLING, W. C, and REYES, F. D. The Physical 



and Chemical Properties of Portland Cement. Part III 207 



HOLMES, W^. C. On the Formation of Certain Alka- 



loidal Periodides. Preliminary Investigation 253 



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