J\£iNERALS, Shells, (^ibds, ^c. 



The Natui-alists' Agency lias been established at 3725 

 Lancaster Ave., Philadelphia, for the purpose of 

 giving collectors of objects of Natural History an op- 

 portunity of buying, selling or exchanging their dupli- 

 cates or collections. 



Specimens sent to any part of the world by mail. Au 

 illustrated monthly bulletin of 8 pages sent free. 



I received the highest award given to any one at tlie 

 Centennial Exposition of 1876, and the only award and 

 medal given to any American for " Collections of Min* 

 erals." 



My Mineralogical Catalogue, of 50 pages is distribu- 

 ted free to all customers, to others on receipt of 10 cents. 

 It is profusely illustrated. By means of tlie table of spe- 

 cies and accompanying tables most species may be veri- 

 fied. The price list is au excellent check list containing 

 the names of all the species and the more common vari- 

 eties, arranged alphabetically and preceded by the spe- 

 cies number. The species number indicates the place of 

 any mineral in the table of species, after it will be found 

 the species name, composition, streak or lustre, cleavage 

 or fracture, hardness, specific gravity, fusibility and crys- 

 tallization. 



I have secured the services of one of the best taxider- 

 mists in the country, and can do the best custom work. 



For Students, Amateurs, Professors, Physicians, and 

 other Professional Men. 



Send for bulletin stating: where you saw this advertisement. 

 A, E. FOOTE, 31. B. 

 Prof, of Chemistry and Mineralogy . 



