CONTENTS 
REPoRT OF THE SECRETARY AND DiRECTOR-IN-CHIEF FOR 
THE? YEAR 1920) ice oon sayings woe eee eal ees 307 
Report of the Assistant Director................045. 322 
Report of the Head Curator of the Museums and 
Perbartu ms. esas checker ate Ghee ae DR 327 
Report of the Supervisor of Public Instruction....... 333 
Report of the Supervisor of Gardening Instruction. ... 336 
Report of the Head Gardener and Curator of Plantations 338 
Report of the Director of the Laboratories........... 344 
Report of the Superintendent of Buildings and Grounds 348 
Report of the Bibliographer..............-......2.. 353 
Report of the Librarian... 0.0.00... 000.0... c eee 354 
Report of the Honorary Curator of the Economic 
Collections 3:04 4) asi ae re beep Bee eae ages 356 
Report of the Honorary Curator of Mosses.......... 357 
Report of the Honorary Curator of Fossil Plants..... 358 
SCHEDULE OF EXPENDITURES DURING THE YEAR 1920...... 360 
REpoRT OF THE CHAIRMAN OF THE ‘ScIENTIFIC Directors 
FOR THE YEAR 1920.......... 00.20 c eee eee ees 368 
REporT OF THE CoMMITTEE on Patrons, FELLOws, AND 
MEMBERS FOR THE YEAR 1920.......... 000.00 369 
REPORT OF THE TREASURER FOR THE YEAR............. 387 
