SYSTEMATIC COLLECTIONS. 
With unusual facilities for securing educational materials, it is proposed to take 
the lead in furnishing systematic collections for teaching Mineralogy, Geol- 
ogy, and Zoology in Schools and Colleges. Individual specimens also fur- 
nished. Catalogue sent on receipt of 6 cents in postage stamps. 
RELIEF MAPS AND MODELS. 
Especial attention given to Eelief Maps. All work of this kind executed accu- 
rately and artistically. Copies furnished of models made for the Government and 
others ; Grand Canon of the Colorado, Yosemite Valley, Wasatch and Uinta 
Mountains, Mt. Taylor, Mt. Shasta, Leadville, Eureka, Yellowstone National 
Park, Extinct Volcanoes, Kentucky, Massachusetts, New Jersey, etc., etc. 
Also model of the whole United States, with-adjoining Ocean bottoms, modeled 
on correct curvature. Send for descriptive price list. 
LANTERN SLIDES. 
Series of Lantern Slides for class illustration in Geology, Physical Geography, 
&c. 
METEORITES. 
A good price paid for Meteorites of all kinds. New and undescribed ones 
especially desired. An extra price paid for the entire "Find" or "Fall." 
Meteorites also cut, polished and etched. 
ANATOMICAL MODELS, TAXIDERMY, ETC. 
Can furnish Dana's New System of Mineralogy for $10.00.. 
Postpaid, $10.30. Send for Circular. 
EDWIN E. HOWELL, 
612 17th St., N. W., Washington, D. C. 
