CONTENTS. 



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PAGE 



Proceedings: March 1 169 



Yucatan, its Ancient Temples and Palaces. By Alice D. 



Le Plongeon 169 



Proceedings: March 8 178 



Radiant Matter (title). By George F. Barker 178 



Proceedings: March 15 178 



Description of a New Species of Aplodonti^i from California. 

 By C. Hart Merriam 179 



Recent Progress in Chemistry. By II. ( 'aurinoto.x Bolton... 179 



Notes to same :200 



