( 43 ) 
Omit § before the following: 
* Biologisches Centralblatt. 
* Botanisches Centralblatt. 
t Botanisches Centralblatt, Beihef 
* Centralblatt fir Bakteriologie: Abth. I, II. 
* Flora. 
* Jahrbiicher fir wissenschaftliche Botanik. 
* Zeitschrift fiir Botanik. 
* Zeitschrift fiir induktive Abstammungs- und Vererbungslehre. 
* Zeitschrift fir wissenschaftliche Mikroskopie. 
Change f to * 
Botanisches Centralblatt, Beihefte. 
Insert * before the following: 
American Florist 
Arnold Arboretum, Bulletin of Popular Information. 
Garden Magaz 
Gardening 
Hardwood Record. 
India Rubber World. 
Add the following: 
* American Society for Horticultural Science, College Park, Md. Proceedings. 
* Botanical Abstracts, Baltimore, Md. 
Brooklyn Botanic Garden, Brooklyn, N. Y. Memoirs. 
* Journal of General Physiology, Baltimore, Md. 
Tucuman. Universidad de, Tucuman, Arg. Revista, ne 
Virginia Truck Experiment Station, Norfolk, Va. Bullet 
Omit the following: 
Lorquinia. 
Rural New Yorker. 
Respectfully submitted, 
SaraH H. Hartow, 
Librarian. 
REPORT OF THE BIBLIOGRAPHER 
Dr. N. L. Brirron, Director-1n-CHIEF. 
Sir; I have the honor to submit the following report for 
the year 1918. 
Although much of my time has been used in giving 
personal assistance both to my associates and to visitors 
