The Collection of Minerals 



A Guide Leaflet to the Exhibition Halls 



of the 



Department of Mineralogy 



in the 



American Museum of Natural IIi>tory. 



By 

 LOUIS P. GRATACAP, A.M.. 



itor <>f Mineral 



GUIDE LEAFLET. No. 4. 



:i.\ i I" 1 HE AMI l:K \\ Mi -1 ni JOURNAL, 



i go 4. 



