XVI CONTENTS. 



Office of the Solicitor-: Page. 



Circular 54 748 



Library: 



Monthly Bulletin, vol. 1, Author Index 599 



2, Nos. 2-3, February-March, 1911 95 



4-6, April-June, 1911 599 



7, July, 1911 794 



ILLUSTRATION. 



Fig. 1. Diagrammatic vertical section of potometer used in studying transpi- Page, 

 ration in corn 832 



