72 
GUIDE-BOOKS. 
MiNERALOGICAL DePAKTMENT. 
A Guide to the Mineral Gallery. With Plan. 8vo. Id. 
An Introduction to the Study of Minerals, with a Guide to the 
Mineral Gallery. Diagrams. Plan of the Mineral Gallery. 
Index. 8vo. Qd. 
The Student's Index to the Collection of Minerals. 8vo. 2d. 
An Introduction to the Study of Meteorites, with a List of the 
Meteorites represented in the Collection. Plan of the Mineral 
Gallery, and Index to the Meteorites represented in the Col- 
lection. Bvo. 3d. 
Tfie Guide-Books can only he obtained at the Natural History 
Museum. Written communications respecting them should he addressed 
to The Director. 
