Miss Elizabeth Billings................00.0000- 100 
Thomas H. Hubbard..............0.0000.00005 100 
Archer M. Huntington... 2.2.0.0... 000.00 cca ee 100 
James Speyer: i s.chsm00de04t ib etcdeee ch ees 100 
Arthur F. Estabrook. ...........0. 0.0.0.0 eee 100 
Samuel Thorne.......... 00.0000 cece cece ee eee 100 
Adrian Iselin, Jr... 00. cece eee 100 
Mrs. E. H. Harriman............0. 0000002000: 100 
Louis Marshall.........0.. 002.00. c cee ees 100 
Robert W. de Forest... 2.2.0... 0. 0000 eee e eee 50 
James Douglas. ......... 0.0.0.2 eee eee eee 50 
Cleveland H. Dodge............. 0.0.0.0. 0008. 50 
William D. Sloane.......... 0.0.0.0 002 cee eee ixe) 
Edward D. Adams..... 0.0.0... cece cee eee 50 
There still remains a large number of important works on 
botany and horticulture to be secured before the library 
attains completion in the older literature. Many of these 
are rare and obtainable only at intervals. It is most desir- 
able that financial provision should be made which would 
enable us to obtain any book offered for sale which is not 
represented in the collection. 
Laboratories 
Laboratory facilities have been granted to 19 advanced 
students during the year, all pursuing different lines of 
investigation. No material changes have been made in 
the equipment. The Director of the Laboratories has prose- 
cuted extensive experimental work in plant breeding at the 
nurseries and has guided the investigations of students 
in that subject. This work will be continued and extended 
during 1913. The tropical laboratory at Cinchona, on the 
Island of Jamaica, rented ten years ago by the Garden for 
experimental purposes and held as a convenient place for 
studies by botanists, has not been sufficiently utilized 
recently to warrant us in continuing the lease from the 
Jamaica Government, and it is now proposed to terminate 
