THE GUIDE TO NATURE— ADVERTISEMENTS 
L. B. Museum cases 
Illustration shows free standing 
museum case, bronze and plate 
glass, with interior pyramid sup- 
porting exhibit. Smithsonian In- 
stitution, Washington, D. C. 
Literature upon request. 
Library Bureau 
Designers and makers of 
Technical library furniture and supplies 
Steel bookstack Museum cases 
Boston 
43 Federal st. 
Chicago 
6 North Michigan av. 
(One block south from A. L. A. headquarters) 
New York 
316 Broadway 
Salesrooms in leading cities in the United States, Great Britain and France. 
jPfeoto&igrdvers 
.clcctrotypcrs. 
illustrators.. 
...Retouchers.. 
tandard 
LANTERN SLIDES 
Made to Order from Photos, Illustrations, Negatives, 
etc. The Finest in Quality at a Reasonable Price. 
WE CARRY NO STOCK SLIDES 
JOHN F. SWEENEY & SON 
41 East 2 1 st St., New York City. 
ESTABLISHED 1904 
Can You Find “Tongues in Trees, 
Books in Running Brooks, 
Sermons in Stones, and GOOD IN 
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THE BLUE BIRD 
Published Monthly, in Co-operation 
with The Cleveland Bird Lovers’ 
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Study and Preservation of Our Wild 
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Sample Copy on Request 
Subscription Price: $2.00 Per Year. 
THE 
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1010 Euclid Ave., CUveland, Ohio. 
