GENERAL GUIDE 
FIFTH FLOOR 
NORTH 
EAST 
This floor is largely occupied by offices, laboratories etc., in 
use by the members of the administrative and scientific staff. 
(In the diagram these rooms are cross-lined.) 
The Shell Hall (No. 504) contains the following collections: 
A general collection illustrating systematic conchology compris- 
ing the combined Jay-Wolfe (1873), Haines (1895) and Collection 
Crooke (1893) Collections. The D. Jackson Steward of Shells. 
Collection, presented in 1890, illustrates the Lamarckian system 
of classification. The material in this hall is fully labeled. 
The Museum Library and Reading-Room (No. 503) is en- 
tered from the western end of the Shell Hall. Here will be 
found about 50,000 volumes on natural history sub- Library and 
jects and a comprehensive selection of the current Reading 
scientific journals. The Library is open to the public. Room. 
The visitor should now return through the Shell Hall and 
descend to the floor below. 
