AMERICAN MUSEUM OF NATURAL HISTORY 



The Collection of 

 Minerals 



Louis P. Gratacap, A.M 



Curator, Department of Mineralogy 



SUPPLEMENT TO AMERICAN MUSEUM JOURNAL 

 VOL. II, No. i, FEBRJ ARY, iooa 



Guide Leaflet No. A 



Second tuition. Revised, Hmy, wot 



