Nature. Ten Honorable Mentions of $100 each will 
be selected from all entries. 
The winning entries will be published in the July 
issue of Natural History and exhibited at the 
American Museum of Natural History. 
THE RULES 
1 . The competition is open to everyone except 
employees of the American Museum and their kin. 
2. Competitors may submit up to five previously 
unpublished entries (a sequence is considered a 
single entry). 
3. The Museum acquires the right to publish, 
exhibit, and use for promotion the winning 
photographs. The Museum assumes no 
responsibility for entries. 
4. Entries may be transparencies or prints, either 
color or black and white, up to 8 by 10 inches. 
Each must bear the photographer’s name and 
address. Entries must not be mounted in glass. 
5. Enclose a self-addressed, stamped envelop for 
the return of entries. 
6. Entries must be postmarked no later than April 
1, 1981. 
Pack them carefully and mail them to: 
Natural History Photographic 
Competition 
11 West 77th Street 
New York, New York 10024 
And good luck! 
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