175 
authors themselves. A wide range of subjects is covered, and the 
Library is probably one of the best of its kind in this compara- 
tively new science. 
The Skiff collection, containing many valuable books of refer- 
ence on minerals, mining and metallurgy. (This collection has 
been placed in the Departmental Library of the Department of 
Geology, West Annex.) 
The collection of Russian works on forestry, presented by 
the Imperial Russian Commission to the World’s Columbian Ex- 
position. 
The ornithological library purchased of C. B. Cory and con- 
taining the proceedings and transactions of the leading ornitho- 
logical and zoological societies and the rare and standard refer- 
ence books of the working ornithologist. 
Upon the cases are the busts of the eminent scientists and 
naturalists: Geoffry St. Hilaire, Galileo, Escalapius, Columbus, 
Cuvier, Agazziz, Humboldt, Huxley, Buffon, Hippocrates, Darwin 
and Linneus. 
Departmental Libraries have been established in several de- 
partments of the Museum for working use by the Curators. 
The Rules give information as to the privileges of the General 
Library. 
LIBRARY RULES: 
1. The Library will be open every week day during the 
hours the Museum is open to the public. 
2. The Library is merely a library of reference. The books 
are to be used in the reading rooms and not taken from them 
under any circumstances, excepting by the Curators and Assist- 
ants for use in Departmental Libraries. 
3. Books rnay be obtained by filling out the application slip 
and presenting it at the desk. Before leaving the room the bor- 
rower will return the book or periodical to the desk. 
4. Current periodicals may be consulted only in the Reading 
Room, and are not to be taken from the room. 
5 - Any book or periodical drawn from the" General Library 
Libraries, and required for immediate reference, 
will be sent for upon application to the Librarian, and temporarilv 
returned to the General Library. 
6. A set of encyclopedias, dictionaries and other general 
works of reference will be permanently retained in the General 
Library. 
In the Reading Room will be found the reading tables which 
are supplied with current magazines and periodicals pertaining 
more particularly to scientific, technical and kindred subjects. 
