ADVERTISEMENTS. i 
” 
Pen and Pedals 
in England 
FOF sale Three College Boys’ 
| i : 
A Complete Set of | Adventures a-wheel 
Bi Aten Nati Seem 
uralist—BOUND. | ILLUSTRATED 
The Edwards & Docker G0. sena [()centsto & 
518 Minor St. 
PHILADELPHIA. D. F. Randolph, Ph. B., 
| AUTHOR, 
HIMRODS, N. Y. 
Se EC 
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.) 
oo” Official Organ of the Agassiz Association. 
Consists of Three Departments: 
I. The Outdoor World. 2. Agassiz Association. 
Practical Microscopy. 
E. F. BIGELOW, Managing Editor and Publisher, Portland, Conn. 
