20 
Witnesseth, That The Trustees of Columbia College have 
t 
graduate instruction at the College) with the New York Botanical 
Garden, at the request and for the use of said Garden, upon the 
considerations and for the purposes and subject to the conditions 
e G 
the library and sonal ae of the College shall be es satis- 
factorily pee by the Gar 
5. Th e Columbia ie and herbarium and all acces- 
sions ee made by the College or in its behalf, while on de- 
posit at the Garden shall be kept distinguishable from the library 
and herbarium of the Garden, by such means as shall be approved 
by the College, so as to be easily separable in case of removal. 
6. That Co i 
r 
recall at any time so much of its herbarium and _ botanical 
library as it may deem necessary for use in undergraduate in- 
struction. 
. That either ae oe terminate this arrangement on one 
year’s notice to t 
The library of ae oe also comprises about 2,000 volumes 
which have been purchased during the four years of active exist- 
ence of the institution. A special book fund of five thousand 
dollars was created in ees 1899, which still shows a large 
unexpended balance. Important accessions are also constantly 
received by exchange with ie poe publications and by dona- 
tion. The recent gift of the botanical books of the late Dr. 
Hosack, by the New York Academy of Medicine is perhaps the 
most oe of such donations 
ll of the books are arranged and classified in one series of 
the ae Decimal Indexing System, the book plates serving as 
means of identification of ownership 
The Garden is indebted to Mr. ee W. Gibson, the architect 
