112 . THE OOLOGIST. 



SYSTEMATIC COLLECTIONS. 



With unusual facilities for securing educational materials, it is 

 proposed to take the lead in furnishing systematic collections for 

 teaching MINERALOGY, GEOLOGY, and ZOOLOGY in Schools 

 and Colleges. Individual Specimens also furnished. Catalogue sent 

 on receipt of 6 cts. in postage stamps. 



HELIEF MAPS AND MODELS. 



Special attention given to Relief Maps. Send for circular describ- 

 ing Grand Canon, Yosemite Valley, Yellowstone National Park, 

 Mt. Shasta, Mt. Vesuvius, Kentucky, Massachusetts, New Jersey, 

 Etc. , Etc. Also model of the whole United States, with adjoining 

 •ocean bottoms, modeled on correct curviture. Many of these made 

 especially for Schools. New Relief Map of Palestine, Modeled for 

 the Palestine Exploration Fund, now ready. 



LANTERN SLIDES. 



Series of Lantern Slides for class illustration in Geology, Physical 

 Geography, Etc. 



METEOEITES. 



A good price paid for meteorites of all kinds. New and unde- 

 scribed ones especially desired. An extra price paid for the entire 

 "find" or "fall". Meteorites also cut, polished and etched. 



WASHINGTON SCHOOL COLLECTIONS. 



These collections, decided upon after numerous conferences with 

 teachers and experts connected with the U. S. Geological Survey 

 and U. S. National Museum, have just been introduced into the 

 schools of Washington, and will be known as the Washington School 

 Collections. It is safe to say that no collections of equal excellence 

 have ever before been offered in this country at so low a price 

 ($2 each). Send for circulars. 



EDWIN E. HOWELL, 612 17th St., Washington, D. C. 



