THE OOLOGIST. 



343 





SYSTEMATIC COLLECTIONS. 



With unusual facilities for securing educational materials, it is proposed to take 

 the lead in furnishing systematic collections for teaching MINERALOGY, GEO- 

 LOGY, and ZOOLOGY in Schools and Colleges. Individual Specimens -also fur- 

 nished. Catalogue sent on recipt of 6 cts. in postage stamps. 



RELIEF MAPS AND MODELS- 



Special attention given to Relief Maps. Send for circular describing Grand 

 Canon, Yosemite Valley, Yellowstone National Park. Mt. Shasta, Mt. "Vesuvius, 

 Kentucky, Massachusetts, New Jersey, Etc., Etc. Also model of the whole Unit- 

 ed 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. 



and undescribed ones es- 

 find" or "fall." Meteorites 



SLIDES. 



Series of Lantern Slides for class illustration in Geology, Physical Geography, 

 Etc. 



MEOTERSTES. 



A good price paid for met:orites of all kinds. New 

 pecially desired. An extra price paid for the entire 

 also cut, polished and etched. 



WASHINGTON SCHOOL COLLECTIONS. 



Minerals, Bocks and Invertebrate Animals. 



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 circular. 



WASHINGTON SOUVENIR COLLECTION. 



A collection of 20 specimens in separate trays in handsome cloth covered box 

 showing the principal building and ornamental stones used in the Public Build- 

 ings of Washington. Price 75 cts. Will be sent postpaid to any address for $1.00. 



EDWIN E.HOWELL, 



612 1 7th St., N. W„, Washington, D. C. 



