SCIENCE— ADVERTISEMENTS 



335 Pages 6x9 Inches Cloth 



400 Text Illustrations Price, $3.00 net 74 Photographic Plates 



A Popular Guide to 

 Minerals 



For the use of visitors to public cabinets of minerals 

 and for elementary teaching in mineralogy 



By L. P. GRATACAP 



i&eum of Natural History 



CONTENTS 



Introductory. Definition of Terms. Guide to Collections. Development of 

 Mineralogy. The Bement Collection of Mineral.s in the American Musreum of 

 Natural History. Map of the Distribution of Minerals in the United States, 

 (in pocket). 



TTHIS work includes a preliminary statement of the fundamentals of Mineralogy, 

 with brief epitomes of Crystallization, Composition, Optical Properties and the 

 Physical Constants of Minerals, followed by a descriptive survey of large collections 

 as they will be found in public museums. It contains a description, in popular 

 form, of the remarkable Bement Collection, one of the world-famous collections of 

 minerals, as it exists to-day in the American Museum of Natural History in New 

 York. A final chapter on the Development of Mineralogy narrates in more or less 

 detailed outlines the history of discovery, experiment and observation which has 

 created the science, and offers a valuable synthesis of the stages of its growth. The 

 work is sumptuously illustrated, and a map of Mineral Distribution, published for 

 the first time, furnishes a birdseye survey of the mineral occurrences in the United 

 States. It is intended to popularize the science along scientific lines, and to teachers 

 it will prove useful as well as instructive, while the student, the collector and the 

 man of the street, interested in this subject, will find in it an entertainiufi and 

 valuable guide. 



D. VAN NOSTRAND COMPANY 



PUBLISHERS AND BOOKSELLERS 



25 Park Place NEW YORK 



