ADVERTISEMENTS. a 
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prave for sale fine speci- 
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D r a Q the famous BURLINGTON GRINOIMS. 
Address: 
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OF INTEREST TO ALL STUDENTS AND LOVERS OF NATURE. 
THE OBSERVER 
All Departments of Nature Studies. 
OUR MOTTO: 
‘: Keep Your Eyes Open” 
(To observe the wonders and beauties of Nature.) 
@” Official Organ of the Agassiz Association. 
Consists of Three Departments: 
l. The Outdoor World. 2. Agassiz Association. 
Practical Microscopy. 
E. F, BIGELOW, Managing Editor and Publisher, Portland, Conn. 
