TABLE OF CONTENTS. 



A Study of the Zirconates. F. P. V nal)le and Thomas Clarke.- 1 



River Adjustments in N. C. W. J. Weaver — - 13 



Reduction of Concentrated Sulphuric Acid by Coi)i^er. Charles Bas- 



kerville 24 



The Use of the Periodic Law in Teaching. F. P. Venable 3<) 



