OUR PRICES FOR MINERALS 



will always compare favorably with even the "reduced" prices 

 of other dealers. We believe in small profits and large sales. 



Minerals for Physical Determinations 



in the laboratory is one of our specialties. Send for circular 

 Xo. 36. 



We handle 



PENFIELD CONTACT GONIOMETERS 

 WHITTLE DIAMOND SAWS 



Orders Filled Promptly 



WARD'S NATURAL SCIENCE ESTABLISHMENT, 



ROCHESTER, N. Y. 



Ward's Natural Science Establishment 



A Supply-House for Scientific Material. 



Founded 1862. - Incorporated 1890. 



DEPARTMENTS : 



Geology, including Phenomenal and Physiographic. 

 Mineralogy, including also Rocks, Meteorites, etc. 

 Palaeontology. Archaeology and Ethnology. 



Invertebrates, including Biology, Conchology, etc. 

 Zoology, including Osteology and Taxidermy. 

 Human Anatomy, including Craniology, Odontology, etc. 

 Models, Plaster Casts and Wall-Charts in all departments. 



Circulars in any department free on request ; address 



vVard's Natural Science Establishment, 



76-104 College Ave., Rochester, New York, U. S. A. 



