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Tupaja javanica I 



Tarsius Spectrum { $«U.OO 



Nyclicebus tardigxadus ) 

 Galeopithecus volans j * 

 Gymnura Rafflesii 1 $30.00 



Address: J. G. deGROOT, 



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OF INTEREST TO ALL STUDENTS AND LOVERS OF NATURE. 



THE OBSERVER 



DEVOTED TO 



All Departments of Nature Studies. 



OUR MOTTO: 

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(To observe the wonders and beauties of Nature. ) 



-^"Official Organ of the Agassiz Association. 



Consists of Three Departments: 

 I. The Outdoor World. 2. Agassiz Association. 



Practical Microscopy. 



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