THE OOLOGIST. 343 



SYSTEMATIC COLLECTIONS. 



Witli 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 ets. 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. \ esuvius, 

 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. 



LANTERN SLIDES. 



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

 Etc. 



MEOTERITES. 



A good price paid for met'orites of all kinds. New and undescribed ones es- 

 pecially desired. An extra price paid for the entire "find" or "fall." Meteorites 

 also cut, polished and etched. 



WASHINGTON SCHOOL COLLECTIONS. 



Minerals, Rocks and Invertebrate Animals. 



These collections, decided upon after nunicrous conferences with teachers and 

 experts connected with the U. S. Geological Survey and U. S. National Museum, 

 have just been introduced intcj the schools of Washington, and will be known as 

 the VVashington 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 (%i 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 he sent postpaid to any address for $L00. 



EDWIN E.HOWELL, 



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



