Ward's Natural Science Establishment 



ROCHESTER, NEW YORK 

 Relief Maps 



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This map, 29" x 46", scale 32 miles to the inch, with a vertical exaggeration of 20 to i, costs 

 only $30.00. The same map, hand colored to show the geology as given in United States 

 Geological Survey professional paper No. 71, is $150.00. Write for circular G-233 describing our 

 relief maps. 



Fossils 



We are better prepared than ever before to furnish index fossils and exhibition material. A few 

 of our recent acquisitions follow: 



Cambrian material collected by Dr. Wolcot in British Columbia. 



Rare Ordovician material from New York and Bohemia, such as Aeglina, Proetus, Cryptolithus, 

 Illaenus, Cystids, etc. 



Rare Silurian forms from Bohemia such as Ascoceras and Ophidioceras, Cromus, Acidaspis, etc. 



Rare Devonian material from Germany such as Harpes, Cerarges, Goniatites showing sutures, 

 Hexacrinus, Cupressocrinus, etc. 



Fine Solenhofen fish, crustaceans and insects, 



Comanchic material from Texas, 



Eocene leaves from Texas and Louisiana, 



Insects in amber. 



Collections of Rocks 



Our rock collections, varying in price from $1.00 to $200.00, are arranged for Genetic, 

 Stratigraphic, Petrologic or Petrographic study. Write for circular No. 220, listing these and 

 also our Mineral collections. 



WARD'S NATURAL SCIENCE ESTABLISHMENT 



ROCHESTER NEW YORK 



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